🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.47 AU - 0.55 AU

Year: 239 Days

Day: 23.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.54 AU - 0.72 AU

Year: 328 Days

Day: 41.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 43 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.9

Radius: 14.3

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.76 AU - 0.92 AU

Year: 505 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 62,613,463 km

• M1: 178,769 km (0.093 R)
• M2: 282,441 km (0.08 R)
• M3: 406,757 km (0.089 R)
• M4: 515,813 km (0.099 R)
• M5: 619,934 km (0.037 R)
• M6: 713,582 km (0.089 R)
• M7: 930,798 km (0.108 R)
• M8: 1,087,277 km (0.106 R)
• M9: 1,248,245 km (0.107 R)
• M10: 1,469,350 km (0.047 R)
• M11: 1,665,772 km (0.079 R)
• M12: 1,758,972 km (0.113 R)
• M13: 1,910,963 km (0.106 R)
• M14: 2,026,453 km (0.11 R)
• M15: 2,120,699 km (0.086 R)
• M16: 2,216,442 km (0.089 R)
• M17: 2,313,681 km (0.051 R)
• M18: 2,493,647 km (0.104 R)
• M19: 2,595,074 km (0.042 R)
• M20: 2,723,878 km (0.111 R)
• M21: 2,815,432 km (0.052 R)
• M22: 2,921,198 km (0.119 R)
• M23: 3,021,727 km (0.079 R)
• M24: 3,184,939 km (0.11 R)
• M25: 3,274,697 km (0.059 R)
• M26: 3,372,235 km (0.093 R)
• M27: 3,470,820 km (0.08 R)
• M28: 3,757,899 km (0.114 R)
• M29: 4,000,696 km (0.039 R)
• M30: 4,195,771 km (0.081 R)
• M31: 4,324,874 km (0.091 R)
• M32: 4,517,407 km (0.042 R)
• M33: 4,618,685 km (0.117 R)
• M34: 4,728,639 km (0.093 R)
• M35: 4,823,484 km (0.076 R)
• M36: 4,959,169 km (0.102 R)
• M37: 5,152,749 km (0.043 R)
• M38: 5,340,644 km (0.12 R)
• M39: 5,439,528 km (0.115 R)
• M40: 5,631,013 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.7

Radius: 14.3

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.65 AU - 1.05 AU

Year: 514 Days

Day: 6.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,613,463 km

• M1: 178,021 km (0.12 R)
• M2: 301,739 km (0.117 R)
• M3: 401,670 km (0.079 R)
• M4: 501,602 km (0.104 R)
• M5: 679,773 km (0.1 R)
• M6: 774,468 km (0.062 R)
• M7: 878,289 km (0.099 R)
• M8: 975,528 km (0.089 R)
• M9: 1,081,144 km (0.066 R)
• M10: 1,313,918 km (0.076 R)
• M11: 1,535,173 km (0.12 R)
• M12: 1,645,876 km (0.068 R)
• M13: 1,799,363 km (0.108 R)
• M14: 1,947,615 km (0.089 R)
• M15: 2,041,712 km (0.108 R)
• M16: 2,202,230 km (0.097 R)
• M17: 2,344,797 km (0.075 R)
• M18: 2,439,792 km (0.102 R)
• M19: 2,627,986 km (0.11 R)
• M20: 2,850,887 km (0.091 R)
• M21: 2,982,832 km (0.05 R)
• M22: 3,104,605 km (0.091 R)
• M23: 3,246,723 km (0.094 R)
• M24: 3,397,368 km (0.093 R)
• M25: 3,499,244 km (0.079 R)
• M26: 3,653,928 km (0.096 R)
• M27: 3,983,492 km (0.089 R)
• M28: 4,084,321 km (0.083 R)
• M29: 4,329,961 km (0.059 R)
• M30: 4,496,314 km (0.086 R)
• M31: 4,608,512 km (0.089 R)
• M32: 4,714,577 km (0.049 R)
• M33: 4,835,751 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.4

Radius: 13.3

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.76 AU - 1.24 AU

Year: 656 Days

Day: 9.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 62,613,463 km

• M1: 166,502 km (0.095 R)
• M2: 251,025 km (0.104 R)
• M3: 340,634 km (0.112 R)
• M4: 496,665 km (0.025 R)
• M5: 582,085 km (0.074 R)
• M6: 691,142 km (0.057 R)
• M7: 789,877 km (0.068 R)
• M8: 903,870 km (0.118 R)
• M9: 1,018,911 km (0.113 R)
• M10: 1,209,798 km (0.106 R)
• M11: 1,332,618 km (0.118 R)
• M12: 1,453,942 km (0.054 R)
• M13: 1,555,070 km (0.103 R)
• M14: 1,834,818 km (0.073 R)
• M15: 1,964,519 km (0.105 R)
• M16: 2,124,439 km (0.059 R)
• M17: 2,528,952 km (0.039 R)
• M18: 2,740,633 km (0.089 R)
• M19: 2,829,943 km (0.108 R)
• M20: 3,034,593 km (0.057 R)
• M21: 3,134,823 km (0.111 R)
• M22: 3,236,251 km (0.085 R)
• M23: 3,563,571 km (0.066 R)
• M24: 3,669,636 km (0.117 R)
• M25: 3,952,077 km (0.108 R)
• M26: 4,070,558 km (0.119 R)
• M27: 4,181,560 km (0.05 R)
• M28: 4,267,728 km (0.049 R)
• M29: 4,415,531 km (0.076 R)
• M30: 4,556,153 km (0.086 R)
• M31: 4,644,864 km (0.062 R)
• M32: 4,752,126 km (0.03 R)
• M33: 5,115,499 km (0.081 R)
• M34: 5,347,376 km (0.046 R)
• M35: 5,783,005 km (0.047 R)
• M36: 6,014,882 km (0.114 R)
• M37: 6,102,696 km (0.069 R)
• M38: 6,200,682 km (0.089 R)
• M39: 6,328,888 km (0.1 R)
• M40: 6,567,945 km (0.072 R)
• M41: 6,668,475 km (0.099 R)
• M42: 6,789,799 km (0.104 R)
• M43: 6,922,043 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.2

Radius: 11.3

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.73 AU - 6.89 AU

Year: 9187 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 62,613,463 km

• M1: 163,361 km (0.052 R)
• M2: 408,103 km (0.107 R)
• M3: 825,182 km (0.06 R)
• M4: 971,638 km (0.109 R)
• M5: 1,147,266 km (0.077 R)
• M6: 1,355,207 km (0.104 R)
• M7: 1,508,246 km (0.081 R)
• M8: 1,808,189 km (0.075 R)
• M9: 2,152,564 km (0.073 R)
• M10: 2,385,039 km (0.094 R)
• M11: 2,708,021 km (0.093 R)
• M12: 2,790,898 km (0.055 R)
• M13: 2,874,822 km (0.085 R)
• M14: 2,987,918 km (0.097 R)
• M15: 3,189,576 km (0.096 R)
• M16: 3,365,952 km (0.101 R)
• M17: 3,821,328 km (0.063 R)
• M18: 3,914,827 km (0.106 R)
• M19: 4,135,783 km (0.093 R)
• M20: 4,557,350 km (0.12 R)
• M21: 5,232,634 km (0.117 R)
• M22: 5,511,634 km (0.119 R)
• M23: 6,157,149 km (0.047 R)
• M24: 6,340,855 km (0.05 R)
• M25: 7,597,777 km (0.104 R)
• M26: 7,794,947 km (0.053 R)
• M27: 8,396,330 km (0.094 R)
• M28: 8,600,232 km (0.084 R)
• M29: 9,012,823 km (0.094 R)
• M30: 10,072,574 km (0.041 R)
• M31: 10,507,605 km (0.113 R)
• M32: 11,216,250 km (0.105 R)
• M33: 11,757,944 km (0.086 R)
• M34: 12,308,165 km (0.063 R)
• M35: 12,493,517 km (0.099 R)
• M36: 13,768,390 km (0.055 R)
• M37: 13,912,602 km (0.067 R)
• M38: 14,494,388 km (0.065 R)
• M39: 14,641,144 km (0.096 R)
• M40: 14,936,001 km (0.109 R)
• M41: 15,282,619 km (0.091 R)
• M42: 15,431,918 km (0.082 R)
• M43: 15,581,815 km (0.071 R)
• M44: 15,681,896 km (0.105 R)
• M45: 16,186,041 km (0.087 R)
• M46: 17,365,321 km (0.113 R)
• M47: 17,991,687 km (0.117 R)
• M48: 18,838,261 km (0.058 R)
• M49: 19,969,072 km (0.057 R)
• M50: 20,187,036 km (0.083 R)
• M51: 21,455,177 km (0.034 R)
• M52: 21,958,424 km (0.088 R)
• M53: 25,176,424 km (0.105 R)
• M54: 27,988,714 km (0.101 R)
• M55: 28,784,126 km (0.096 R)
• M56: 29,524,785 km (0.056 R)
• M57: 29,648,952 km (0.119 R)
• M58: 29,835,351 km (0.114 R)
• M59: 30,334,409 km (0.077 R)
• M60: 31,025,102 km (0.079 R)
• M61: 31,404,034 km (0.083 R)
• M62: 31,594,173 km (0.112 R)
• M63: 33,063,972 km (0.119 R)
• M64: 33,192,776 km (0.092 R)
• M65: 33,515,608 km (0.078 R)
• M66: 34,294,863 km (0.111 R)
• M67: 34,817,558 km (0.085 R)
• M68: 35,738,782 km (0.054 R)
• M69: 36,069,692 km (0.082 R)
• M70: 36,468,221 km (0.08 R)
• M71: 36,868,096 km (0.048 R)
• M72: 37,806,972 km (0.108 R)
• M73: 38,076,697 km (0.076 R)
• M74: 39,571,330 km (0.101 R)
• M75: 40,050,940 km (0.12 R)
• M76: 40,877,618 km (0.117 R)
• M77: 41,223,638 km (0.081 R)
• M78: 42,337,843 km (0.119 R)
• M79: 43,039,158 km (0.106 R)
• M80: 44,169,220 km (0.085 R)
• M81: 44,666,783 km (0.068 R)
• M82: 44,880,558 km (0.073 R)
• M83: 48,273,886 km (0.113 R)
• M84: 48,493,347 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.3

Radius: 4.4

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.58 AU - 7.68 AU

Year: 13826 Days

Day: 20 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 62,613,463 km

• M1: 75,697 km (0.094 R)
• M2: 145,858 km (0.026 R)
• M3: 265,686 km (0.08 R)
• M4: 428,598 km (0.068 R)
• M5: 484,697 km (0.114 R)
• M6: 543,190 km (0.082 R)
• M7: 588,817 km (0.116 R)
• M8: 801,097 km (0.104 R)
• M9: 853,306 km (0.057 R)
• M10: 961,316 km (0.05 R)
• M11: 1,608,925 km (0.041 R)
• M12: 2,068,939 km (0.103 R)
• M13: 2,515,638 km (0.108 R)
• M14: 3,045,813 km (0.059 R)
• M15: 3,239,243 km (0.047 R)
• M16: 3,267,217 km (0.104 R)
• M17: 3,380,014 km (0.088 R)
• M18: 3,696,563 km (0.058 R)
• M19: 3,784,527 km (0.112 R)
• M20: 4,082,825 km (0.044 R)
• M21: 4,234,817 km (0.05 R)
• M22: 4,670,296 km (0.091 R)
• M23: 5,217,974 km (0.097 R)
• M24: 5,717,930 km (0.115 R)
• M25: 5,785,847 km (0.074 R)
• M26: 6,942,987 km (0.067 R)
• M27: 8,360,427 km (0.075 R)
• M28: 8,592,154 km (0.11 R)
• M29: 8,631,049 km (0.106 R)
• M30: 9,823,045 km (0.08 R)
• M31: 9,904,277 km (0.074 R)
• M32: 9,944,967 km (0.055 R)
• M33: 10,897,158 km (0.065 R)
• M34: 11,447,977 km (0.069 R)
• M35: 12,181,904 km (0.096 R)
• M36: 12,400,766 km (0.061 R)
• M37: 12,532,562 km (0.103 R)
• M38: 13,020,101 km (0.102 R)
• M39: 13,740,415 km (0.097 R)
• M40: 14,288,990 km (0.09 R)
• M41: 14,427,219 km (0.108 R)
• M42: 14,565,896 km (0.106 R)
• M43: 14,658,647 km (0.05 R)
• M44: 14,984,770 km (0.114 R)
• M45: 15,596,625 km (0.083 R)
• M46: 15,834,187 km (0.074 R)
• M47: 16,553,902 km (0.103 R)
• M48: 17,186,252 km (0.063 R)
• M49: 17,284,239 km (0.112 R)
• M50: 17,678,130 km (0.059 R)
• M51: 17,727,497 km (0.096 R)
• M52: 17,777,014 km (0.096 R)
• M53: 18,927,721 km (0.077 R)
• M54: 19,690,969 km (0.04 R)
• M55: 20,050,752 km (0.095 R)
• M56: 20,153,825 km (0.11 R)
• M57: 20,308,958 km (0.081 R)
• M58: 20,360,719 km (0.086 R)
• M59: 20,880,871 km (0.092 R)
• M60: 20,933,230 km (0.094 R)
• M61: 21,987,446 km (0.117 R)
• M62: 22,200,474 km (0.085 R)
• M63: 22,682,029 km (0.115 R)
• M64: 23,275,334 km (0.07 R)
• M65: 23,546,705 km (0.095 R)
• M66: 23,764,519 km (0.117 R)
• M67: 24,753,212 km (0.104 R)
• M68: 25,419,670 km (0.103 R)
• M69: 26,656,845 km (0.1 R)
• M70: 27,568,943 km (0.066 R)
• M71: 28,433,170 km (0.082 R)
• M72: 29,072,551 km (0.097 R)
• M73: 29,131,044 km (0.044 R)
• M74: 29,306,372 km (0.082 R)
• M75: 31,258,026 km (0.091 R)
• M76: 32,764,327 km (0.06 R)
• M77: 33,068,310 km (0.12 R)
• M78: 33,312,304 km (0.053 R)
• M79: 33,618,082 km (0.107 R)
• M80: 33,924,758 km (0.115 R)
• M81: 34,355,749 km (0.1 R)
• M82: 34,602,735 km (0.067 R)
• M83: 37,168,937 km (0.061 R)
• M84: 37,295,796 km (0.119 R)
• M85: 39,536,922 km (0.05 R)
• M86: 39,795,726 km (0.04 R)
• M87: 40,380,355 km (0.084 R)
• M88: 40,575,879 km (0.072 R)
• M89: 44,618,463 km (0.047 R)
• M90: 44,753,101 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.6

Radius: 4.3

Gravity: 32.37 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.79 AU - 9.01 AU

Year: 15971 Days

Day: 21.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 62,613,463 km

• M1: 55,501 km (0.091 R)
• M2: 146,157 km (0.112 R)
• M3: 257,608 km (0.072 R)
• M4: 315,801 km (0.096 R)
• M5: 428,448 km (0.026 R)
• M6: 463,155 km (0.08 R)
• M7: 670,647 km (0.106 R)
• M8: 774,019 km (0.095 R)
• M9: 1,416,243 km (0.081 R)
• M10: 1,742,666 km (0.029 R)
• M11: 2,304,854 km (0.104 R)
• M12: 2,589,240 km (0.11 R)
• M13: 2,818,274 km (0.103 R)
• M14: 2,918,355 km (0.053 R)
• M15: 3,156,515 km (0.118 R)
• M16: 3,260,635 km (0.116 R)
• M17: 3,330,497 km (0.068 R)
• M18: 3,472,017 km (0.113 R)
• M19: 4,019,844 km (0.034 R)
• M20: 6,377,357 km (0.104 R)
• M21: 6,819,569 km (0.082 R)
• M22: 7,640,113 km (0.058 R)
• M23: 7,733,163 km (0.086 R)
• M24: 8,587,666 km (0.092 R)
• M25: 9,571,870 km (0.081 R)
• M26: 10,487,708 km (0.037 R)
• M27: 11,219,092 km (0.099 R)
• M28: 11,325,008 km (0.111 R)
• M29: 12,896,384 km (0.11 R)
• M30: 13,007,385 km (0.041 R)
• M31: 15,348,891 km (0.093 R)
• M32: 15,407,683 km (0.089 R)
• M33: 17,142,570 km (0.102 R)
• M34: 17,570,569 km (0.051 R)
• M35: 18,749,849 km (0.09 R)
• M36: 19,253,994 km (0.086 R)
• M37: 19,317,423 km (0.107 R)
• M38: 19,571,441 km (0.116 R)
• M39: 20,275,598 km (0.076 R)
• M40: 20,793,057 km (0.092 R)
• M41: 21,972,935 km (0.07 R)
• M42: 22,171,751 km (0.095 R)
• M43: 22,972,847 km (0.091 R)
• M44: 23,309,293 km (0.079 R)
• M45: 24,947,390 km (0.025 R)
• M46: 25,223,996 km (0.093 R)
• M47: 25,362,673 km (0.068 R)
• M48: 25,640,776 km (0.079 R)
• M49: 26,551,677 km (0.062 R)
• M50: 27,046,397 km (0.12 R)
• M51: 27,615,767 km (0.087 R)
• M52: 28,621,364 km (0.102 R)
• M53: 29,785,385 km (0.067 R)
• M54: 29,931,991 km (0.118 R)
• M55: 30,005,294 km (0.075 R)
• M56: 30,299,403 km (0.09 R)
• M57: 31,336,416 km (0.111 R)
• M58: 33,902,767 km (0.102 R)
• M59: 34,593,161 km (0.095 R)
• M60: 34,670,204 km (0.054 R)
• M61: 35,056,167 km (0.115 R)
• M62: 35,910,221 km (0.102 R)
• M63: 36,613,929 km (0.082 R)
• M64: 37,164,599 km (0.03 R)
• M65: 40,281,770 km (0.027 R)
• M66: 40,443,784 km (0.095 R)
• M67: 41,748,427 km (0.082 R)
• M68: 43,398,492 km (0.079 R)
• M69: 43,481,519 km (0.087 R)
• M70: 43,814,374 km (0.112 R)
• M71: 44,733,802 km (0.089 R)
• M72: 45,997,904 km (0.088 R)
• M73: 46,167,399 km (0.034 R)
• M74: 46,337,043 km (0.109 R)
• M75: 46,847,172 km (0.032 R)
• M76: 47,444,665 km (0.076 R)
• M77: 47,615,955 km (0.093 R)
• M78: 48,216,740 km (0.095 R)
• M79: 49,512,557 km (0.086 R)
• M80: 50,907,258 km (0.119 R)
• M81: 52,580,360 km (0.04 R)
• M82: 52,846,196 km (0.09 R)
• M83: 53,112,480 km (0.077 R)
• M84: 53,913,876 km (0.116 R)
• M85: 55,438,577 km (0.111 R)
• M86: 55,528,785 km (0.108 R)
• M87: 56,432,655 km (0.045 R)
• M88: 57,068,446 km (0.091 R)
• M89: 57,889,140 km (0.03 R)
• M90: 59,265,740 km (0.073 R)
• M91: 60,096,905 km (0.086 R)
• M92: 60,282,257 km (0.071 R)
• M93: 60,560,360 km (0.099 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 14,257 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit