🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.45 AU - 0.73 AU

Year: 293 Days

Day: 24.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.47 AU - 0.71 AU

Year: 293 Days

Day: 14.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,023,587 km

• M1: 521,797 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.52 AU - 0.7 AU

Year: 308 Days

Day: 26.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.44 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.1

Radius: 8

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.94 AU - 2.58 AU

Year: 2194 Days

Day: 10.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 66,023,587 km

• M1: 121,773 km (0.07 R)
• M2: 191,784 km (0.114 R)
• M3: 250,277 km (0.103 R)
• M4: 317,746 km (0.099 R)
• M5: 392,844 km (0.109 R)
• M6: 454,030 km (0.086 R)
• M7: 511,326 km (0.057 R)
• M8: 666,907 km (0.068 R)
• M9: 716,723 km (0.059 R)
• M10: 802,742 km (0.104 R)
• M11: 976,276 km (0.03 R)
• M12: 1,142,030 km (0.089 R)
• M13: 1,370,017 km (0.088 R)
• M14: 2,064,002 km (0.071 R)
• M15: 2,381,449 km (0.11 R)
• M16: 2,499,631 km (0.083 R)
• M17: 2,728,067 km (0.112 R)
• M18: 2,963,384 km (0.113 R)
• M19: 3,019,783 km (0.116 R)
• M20: 3,176,561 km (0.056 R)
• M21: 3,438,956 km (0.114 R)
• M22: 3,602,766 km (0.104 R)
• M23: 4,395,784 km (0.106 R)
• M24: 4,460,261 km (0.105 R)
• M25: 4,525,036 km (0.116 R)
• M26: 4,671,942 km (0.063 R)
• M27: 4,754,220 km (0.086 R)
• M28: 5,275,120 km (0.093 R)
• M29: 5,378,043 km (0.083 R)
• M30: 5,429,804 km (0.116 R)
• M31: 5,708,505 km (0.117 R)
• M32: 6,009,646 km (0.12 R)
• M33: 6,225,515 km (0.105 R)
• M34: 6,370,775 km (0.089 R)
• M35: 6,553,883 km (0.086 R)
• M36: 6,794,586 km (0.036 R)
• M37: 7,208,673 km (0.102 R)
• M38: 7,265,819 km (0.095 R)
• M39: 7,399,709 km (0.101 R)
• M40: 7,476,453 km (0.101 R)
• M41: 7,650,435 km (0.115 R)
• M42: 8,140,368 km (0.08 R)
• M43: 8,399,172 km (0.085 R)
• M44: 8,782,442 km (0.113 R)
• M45: 9,691,548 km (0.052 R)
• M46: 9,796,865 km (0.081 R)
• M47: 9,881,239 km (0.114 R)
• M48: 9,944,818 km (0.102 R)
• M49: 10,093,368 km (0.1 R)
• M50: 10,157,396 km (0.106 R)
• M51: 10,522,265 km (0.107 R)
• M52: 10,760,724 km (0.085 R)
• M53: 11,287,159 km (0.109 R)
• M54: 11,397,862 km (0.09 R)
• M55: 11,620,463 km (0.094 R)
• M56: 11,777,092 km (0.107 R)
• M57: 12,024,677 km (0.108 R)
• M58: 12,183,101 km (0.105 R)
• M59: 12,754,714 km (0.087 R)
• M60: 12,916,280 km (0.11 R)
• M61: 13,218,169 km (0.117 R)
• M62: 13,616,548 km (0.109 R)
• M63: 13,805,340 km (0.063 R)
• M64: 13,995,030 km (0.091 R)
• M65: 14,305,147 km (0.106 R)
• M66: 14,883,642 km (0.113 R)
• M67: 14,980,880 km (0.117 R)
• M68: 15,518,984 km (0.113 R)
• M69: 15,617,569 km (0.049 R)
• M70: 15,790,354 km (0.081 R)
• M71: 15,889,538 km (0.08 R)
• M72: 16,038,537 km (0.097 R)
• M73: 16,138,169 km (0.119 R)
• M74: 16,538,793 km (0.107 R)
• M75: 16,614,190 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.1

Radius: 11.7

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.92 AU - 2.86 AU

Year: 2386 Days

Day: 10.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 66,023,587 km

• M1: 206,595 km (0.072 R)
• M2: 443,857 km (0.102 R)
• M3: 836,252 km (0.087 R)
• M4: 954,584 km (0.112 R)
• M5: 1,133,952 km (0.049 R)
• M6: 1,209,050 km (0.087 R)
• M7: 1,454,989 km (0.047 R)
• M8: 1,589,477 km (0.077 R)
• M9: 1,685,220 km (0.072 R)
• M10: 2,018,374 km (0.098 R)
• M11: 2,110,976 km (0.032 R)
• M12: 2,264,313 km (0.079 R)
• M13: 2,360,654 km (0.068 R)
• M14: 2,433,808 km (0.076 R)
• M15: 2,670,621 km (0.087 R)
• M16: 2,772,647 km (0.106 R)
• M17: 3,033,546 km (0.109 R)
• M18: 3,288,760 km (0.113 R)
• M19: 3,551,304 km (0.092 R)
• M20: 3,678,013 km (0.068 R)
• M21: 3,892,686 km (0.054 R)
• M22: 4,096,738 km (0.119 R)
• M23: 4,259,650 km (0.118 R)
• M24: 4,364,368 km (0.119 R)
• M25: 4,439,766 km (0.113 R)
• M26: 4,622,425 km (0.086 R)
• M27: 4,838,893 km (0.116 R)
• M28: 5,153,796 km (0.109 R)
• M29: 5,688,010 km (0.114 R)
• M30: 5,920,186 km (0.081 R)
• M31: 6,054,226 km (0.063 R)
• M32: 6,342,351 km (0.065 R)
• M33: 6,826,899 km (0.118 R)
• M34: 6,914,713 km (0.095 R)
• M35: 7,216,003 km (0.094 R)
• M36: 7,341,366 km (0.119 R)
• M37: 7,594,336 km (0.057 R)
• M38: 8,016,052 km (0.084 R)
• M39: 8,370,300 km (0.116 R)
• M40: 8,539,794 km (0.068 R)
• M41: 8,615,491 km (0.1 R)
• M42: 9,094,055 km (0.073 R)
• M43: 9,229,590 km (0.114 R)
• M44: 9,600,892 km (0.084 R)
• M45: 9,997,027 km (0.108 R)
• M46: 10,358,157 km (0.043 R)
• M47: 10,459,135 km (0.11 R)
• M48: 11,051,991 km (0.095 R)
• M49: 11,134,570 km (0.059 R)
• M50: 11,238,091 km (0.074 R)
• M51: 11,321,268 km (0.118 R)
• M52: 11,655,619 km (0.118 R)
• M53: 12,312,952 km (0.104 R)
• M54: 12,505,933 km (0.112 R)
• M55: 12,873,495 km (0.071 R)
• M56: 12,960,412 km (0.076 R)
• M57: 13,222,507 km (0.119 R)
• M58: 13,310,321 km (0.027 R)
• M59: 13,464,407 km (0.12 R)
• M60: 13,818,655 km (0.044 R)
• M61: 14,086,584 km (0.113 R)
• M62: 14,176,193 km (0.078 R)
• M63: 14,809,142 km (0.062 R)
• M64: 14,900,247 km (0.086 R)
• M65: 15,543,668 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.2

Radius: 13.8

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.27 AU - 2.81 AU

Year: 2614 Days

Day: 7.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 66,023,587 km

• M1: 381,774 km (0.04 R)
• M2: 518,207 km (0.109 R)
• M3: 615,296 km (0.034 R)
• M4: 832,063 km (0.097 R)
• M5: 961,017 km (0.091 R)
• M6: 1,195,885 km (0.113 R)
• M7: 1,286,242 km (0.107 R)
• M8: 1,379,143 km (0.072 R)
• M9: 1,559,857 km (0.078 R)
• M10: 1,932,057 km (0.111 R)
• M11: 2,375,614 km (0.118 R)
• M12: 2,684,235 km (0.103 R)
• M13: 2,805,409 km (0.073 R)
• M14: 3,389,439 km (0.117 R)
• M15: 3,537,242 km (0.109 R)
• M16: 3,637,173 km (0.079 R)
• M17: 4,132,940 km (0.115 R)
• M18: 4,326,819 km (0.103 R)
• M19: 4,668,650 km (0.097 R)
• M20: 4,760,055 km (0.094 R)
• M21: 5,786,146 km (0.05 R)
• M22: 6,043,305 km (0.105 R)
• M23: 6,304,204 km (0.075 R)
• M24: 6,405,482 km (0.087 R)
• M25: 6,609,982 km (0.064 R)
• M26: 6,733,550 km (0.064 R)
• M27: 7,004,172 km (0.12 R)
• M28: 7,299,778 km (0.119 R)
• M29: 7,599,422 km (0.086 R)
• M30: 7,946,938 km (0.065 R)
• M31: 8,255,259 km (0.076 R)
• M32: 8,366,261 km (0.092 R)
• M33: 8,455,571 km (0.049 R)
• M34: 8,634,939 km (0.12 R)
• M35: 8,815,653 km (0.074 R)
• M36: 9,458,026 km (0.054 R)
• M37: 9,761,560 km (0.09 R)
• M38: 10,378,053 km (0.081 R)
• M39: 10,522,116 km (0.103 R)
• M40: 10,715,396 km (0.074 R)
• M41: 11,007,262 km (0.09 R)
• M42: 11,999,544 km (0.031 R)
• M43: 12,100,373 km (0.107 R)
• M44: 12,506,382 km (0.072 R)
• M45: 12,942,759 km (0.044 R)
• M46: 13,123,922 km (0.084 R)
• M47: 13,279,803 km (0.102 R)
• M48: 13,384,222 km (0.077 R)
• M49: 13,777,814 km (0.102 R)
• M50: 14,042,303 km (0.042 R)
• M51: 14,308,588 km (0.106 R)
• M52: 14,442,328 km (0.073 R)
• M53: 14,711,006 km (0.11 R)
• M54: 14,819,015 km (0.116 R)
• M55: 15,226,221 km (0.034 R)
• M56: 15,472,309 km (0.105 R)
• M57: 15,719,744 km (0.117 R)
• M58: 16,107,352 km (0.11 R)
• M59: 16,442,003 km (0.085 R)
• M60: 16,891,844 km (0.107 R)
• M61: 17,402,870 km (0.107 R)
• M62: 18,323,794 km (0.12 R)
• M63: 19,231,105 km (0.108 R)
• M64: 19,378,759 km (0.092 R)
• M65: 19,883,801 km (0.103 R)
• M66: 19,973,410 km (0.081 R)
• M67: 20,152,928 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.2

Radius: 5.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.79 AU - 8.81 AU

Year: 14066 Days

Day: 15.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,023,587 km

• M1: 87,216 km (0.098 R)
• M2: 136,732 km (0.087 R)
• M3: 228,586 km (0.103 R)
• M4: 351,256 km (0.09 R)
• M5: 479,760 km (0.1 R)
• M6: 790,625 km (0.077 R)
• M7: 1,616,704 km (0.116 R)
• M8: 1,821,204 km (0.052 R)
• M9: 2,585,650 km (0.059 R)
• M10: 2,629,931 km (0.1 R)
• M11: 3,486,079 km (0.11 R)
• M12: 3,884,608 km (0.087 R)
• M13: 4,055,000 km (0.105 R)
• M14: 4,141,168 km (0.058 R)
• M15: 4,227,935 km (0.086 R)
• M16: 9,610,766 km (0.059 R)
• M17: 9,656,692 km (0.07 R)
• M18: 9,864,484 km (0.112 R)
• M19: 10,120,446 km (0.106 R)
• M20: 11,701,246 km (0.106 R)
• M21: 11,824,216 km (0.082 R)
• M22: 12,620,675 km (0.094 R)
• M23: 14,396,252 km (0.078 R)
• M24: 15,245,968 km (0.103 R)
• M25: 16,002,634 km (0.072 R)
• M26: 16,139,067 km (0.046 R)
• M27: 16,882,419 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493

Radius: 6.7

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.51 AU - 10.59 AU

Year: 19055 Days

Day: 21.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 66,023,587 km

• M1: 216,767 km (0.062 R)
• M2: 443,258 km (0.049 R)
• M3: 552,615 km (0.1 R)
• M4: 1,304,493 km (0.037 R)
• M5: 1,519,765 km (0.077 R)
• M6: 2,137,305 km (0.073 R)
• M7: 2,391,322 km (0.099 R)
• M8: 2,521,921 km (0.056 R)
• M9: 2,893,223 km (0.057 R)
• M10: 3,500,590 km (0.101 R)
• M11: 3,611,741 km (0.106 R)
• M12: 3,952,525 km (0.07 R)
• M13: 4,107,210 km (0.105 R)
• M14: 4,623,921 km (0.089 R)
• M15: 4,828,122 km (0.068 R)
• M16: 5,245,500 km (0.101 R)
• M17: 5,287,836 km (0.055 R)
• M18: 6,069,934 km (0.07 R)
• M19: 6,293,582 km (0.098 R)
• M20: 6,702,882 km (0.104 R)
• M21: 7,074,035 km (0.076 R)
• M22: 7,787,916 km (0.067 R)
• M23: 7,982,094 km (0.072 R)
• M24: 8,177,917 km (0.114 R)
• M25: 8,424,903 km (0.046 R)
• M26: 8,977,069 km (0.085 R)
• M27: 9,027,783 km (0.106 R)
• M28: 9,231,834 km (0.09 R)
• M29: 9,696,635 km (0.057 R)
• M30: 10,810,241 km (0.103 R)
• M31: 10,864,246 km (0.104 R)
• M32: 11,027,009 km (0.064 R)
• M33: 12,019,740 km (0.085 R)
• M34: 12,244,287 km (0.069 R)
• M35: 14,326,390 km (0.115 R)
• M36: 14,924,033 km (0.1 R)
• M37: 16,143,405 km (0.099 R)
• M38: 17,331,213 km (0.064 R)
• M39: 17,712,089 km (0.087 R)
• M40: 18,936,547 km (0.065 R)
• M41: 19,132,371 km (0.11 R)
• M42: 19,591,936 km (0.118 R)
• M43: 19,856,125 km (0.087 R)
• M44: 19,922,397 km (0.111 R)
• M45: 21,398,180 km (0.086 R)
• M46: 21,875,098 km (0.102 R)
• M47: 22,631,615 km (0.088 R)
• M48: 24,595,835 km (0.053 R)
• M49: 24,738,102 km (0.083 R)
• M50: 25,598,140 km (0.115 R)
• M51: 25,742,353 km (0.063 R)
• M52: 25,887,014 km (0.071 R)
• M53: 28,609,546 km (0.092 R)
• M54: 28,834,242 km (0.055 R)
• M55: 29,210,181 km (0.09 R)
• M56: 30,882,984 km (0.105 R)
• M57: 31,344,494 km (0.093 R)
• M58: 33,135,031 km (0.089 R)
• M59: 33,923,860 km (0.109 R)
• M60: 34,479,766 km (0.09 R)
• M61: 35,118,699 km (0.111 R)
• M62: 35,519,920 km (0.101 R)
• M63: 40,117,362 km (0.115 R)
• M64: 41,211,072 km (0.094 R)
• M65: 41,380,267 km (0.1 R)
• M66: 42,144,114 km (0.092 R)
• M67: 42,399,926 km (0.071 R)
• M68: 42,912,748 km (0.101 R)
• M69: 43,084,187 km (0.088 R)
• M70: 43,686,019 km (0.102 R)
• M71: 45,595,486 km (0.117 R)
• M72: 45,682,851 km (0.119 R)
• M73: 47,177,932 km (0.105 R)
• M74: 49,315,686 km (0.104 R)
• M75: 50,577,245 km (0.028 R)
• M76: 51,484,855 km (0.117 R)
• M77: 51,758,171 km (0.09 R)
• M78: 53,408,235 km (0.084 R)
• M79: 53,500,387 km (0.102 R)
• M80: 54,889,404 km (0.112 R)
• M81: 55,915,645 km (0.032 R)
• M82: 56,665,878 km (0.116 R)
• M83: 56,759,826 km (0.088 R)
• M84: 57,136,513 km (0.087 R)
• M85: 58,176,368 km (0.095 R)
• M86: 58,271,213 km (0.067 R)
• M87: 59,700,022 km (0.068 R)
• M88: 59,795,765 km (0.075 R)
• M89: 60,082,993 km (0.106 R)
• M90: 60,178,885 km (0.102 R)
• M91: 60,466,861 km (0.098 R)
• M92: 61,719,743 km (0.072 R)
• M93: 62,786,675 km (0.087 R)
• M94: 63,566,379 km (0.082 R)
• M95: 64,741,919 km (0.114 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 17,674 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit