🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.75 AU - 0.95 AU

Year: 292 Days

Day: 26.5 Hours

Environment

Temp: 91 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 109,966,029 km

• M1: 566,677 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.12 AU - 1.36 AU

Year: 515 Days

Day: 31.8 Hours

Environment

Temp: 2 °C

Axial Tilt: 25.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.41 AU - 1.89 AU

Year: 790 Days

Day: 38.7 Hours

Environment

Temp: -51 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 109,966,029 km

• M1: 34,258 km (0.085 R)
• M2: 397,182 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.63 AU - 1.71 AU

Year: 805 Days

Day: 37.9 Hours

Environment

Temp: -49 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.48 AU - 1.98 AU

Year: 848 Days

Day: 31 Hours

Environment

Temp: -58 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 109,966,029 km

• M1: 171,439 km (0.111 R)
• M2: 632,799 km (0.079 R)

Asteroid Belt

Center: 4.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.5

Radius: 10.9

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.31 AU - 8.85 AU

Year: 7780 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 109,966,029 km

• M1: 175,777 km (0.073 R)
• M2: 244,443 km (0.061 R)
• M3: 315,951 km (0.056 R)
• M4: 392,395 km (0.101 R)
• M5: 498,011 km (0.107 R)
• M6: 653,892 km (0.093 R)
• M7: 726,148 km (0.081 R)
• M8: 1,007,093 km (0.083 R)
• M9: 1,111,811 km (0.098 R)
• M10: 1,291,478 km (0.062 R)
• M11: 1,459,477 km (0.057 R)
• M12: 1,601,445 km (0.056 R)
• M13: 1,805,796 km (0.081 R)
• M14: 2,202,829 km (0.069 R)
• M15: 2,315,925 km (0.11 R)
• M16: 2,392,369 km (0.111 R)
• M17: 2,627,088 km (0.089 R)
• M18: 2,707,123 km (0.114 R)
• M19: 3,090,991 km (0.112 R)
• M20: 3,189,726 km (0.052 R)
• M21: 3,304,019 km (0.113 R)
• M22: 3,463,191 km (0.077 R)
• M23: 3,551,154 km (0.102 R)
• M24: 3,865,011 km (0.119 R)
• M25: 4,110,052 km (0.077 R)
• M26: 4,503,494 km (0.095 R)
• M27: 4,941,966 km (0.092 R)
• M28: 5,616,802 km (0.1 R)
• M29: 5,685,916 km (0.108 R)
• M30: 6,017,874 km (0.081 R)
• M31: 6,213,099 km (0.108 R)
• M32: 6,356,414 km (0.077 R)
• M33: 6,500,775 km (0.058 R)
• M34: 6,811,191 km (0.041 R)
• M35: 7,389,985 km (0.085 R)
• M36: 8,140,368 km (0.05 R)
• M37: 8,415,778 km (0.118 R)
• M38: 8,694,179 km (0.078 R)
• M39: 9,178,577 km (0.08 R)
• M40: 9,465,207 km (0.087 R)
• M41: 9,942,424 km (0.069 R)
• M42: 10,470,205 km (0.114 R)
• M43: 10,726,766 km (0.055 R)
• M44: 10,963,878 km (0.101 R)
• M45: 11,224,328 km (0.081 R)
• M46: 11,795,942 km (0.063 R)
• M47: 12,040,684 km (0.07 R)
• M48: 13,404,867 km (0.098 R)
• M49: 13,987,551 km (0.119 R)
• M50: 14,128,771 km (0.079 R)
• M51: 14,697,841 km (0.069 R)
• M52: 14,985,219 km (0.072 R)
• M53: 15,932,173 km (0.068 R)
• M54: 16,301,530 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.5

Radius: 13.7

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.67 AU - 9.01 AU

Year: 8978 Days

Day: 13 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 109,966,029 km

• M1: 188,045 km (0.095 R)
• M2: 281,094 km (0.102 R)
• M3: 417,228 km (0.072 R)
• M4: 1,238,371 km (0.073 R)
• M5: 1,453,044 km (0.085 R)
• M6: 1,657,096 km (0.09 R)
• M7: 2,145,233 km (0.101 R)
• M8: 2,379,354 km (0.119 R)
• M9: 2,873,326 km (0.086 R)
• M10: 3,132,579 km (0.07 R)
• M11: 3,459,750 km (0.041 R)
• M12: 3,673,974 km (0.112 R)
• M13: 4,674,784 km (0.067 R)
• M14: 5,223,210 km (0.099 R)
• M15: 5,576,410 km (0.12 R)
• M16: 6,568,992 km (0.097 R)
• M17: 6,758,981 km (0.091 R)
• M18: 6,873,723 km (0.11 R)
• M19: 7,261,181 km (0.096 R)
• M20: 7,497,097 km (0.051 R)
• M21: 7,695,614 km (0.09 R)
• M22: 7,815,591 km (0.089 R)
• M23: 8,342,774 km (0.108 R)
• M24: 8,466,043 km (0.119 R)
• M25: 8,923,363 km (0.044 R)
• M26: 9,303,641 km (0.116 R)
• M27: 9,689,155 km (0.048 R)
• M28: 10,299,365 km (0.112 R)
• M29: 11,192,913 km (0.11 R)
• M30: 11,374,525 km (0.107 R)
• M31: 11,648,887 km (0.042 R)
• M32: 11,786,966 km (0.092 R)
• M33: 11,971,869 km (0.05 R)
• M34: 12,532,262 km (0.092 R)
• M35: 12,863,173 km (0.069 R)
• M36: 13,244,797 km (0.118 R)
• M37: 13,389,009 km (0.104 R)
• M38: 16,173,624 km (0.069 R)
• M39: 16,534,005 km (0.084 R)
• M40: 16,689,288 km (0.115 R)
• M41: 17,001,349 km (0.114 R)
• M42: 17,105,769 km (0.107 R)
• M43: 17,420,373 km (0.083 R)
• M44: 17,789,730 km (0.082 R)
• M45: 18,375,555 km (0.112 R)
• M46: 18,805,649 km (0.074 R)
• M47: 19,402,395 km (0.11 R)
• M48: 19,950,222 km (0.114 R)
• M49: 20,614,437 km (0.058 R)
• M50: 20,949,237 km (0.119 R)
• M51: 22,192,395 km (0.102 R)
• M52: 22,593,018 km (0.088 R)
• M53: 23,111,525 km (0.082 R)
• M54: 23,984,578 km (0.079 R)
• M55: 24,395,523 km (0.072 R)
• M56: 24,513,406 km (0.089 R)
• M57: 24,690,680 km (0.071 R)
• M58: 26,002,952 km (0.045 R)
• M59: 26,304,392 km (0.082 R)
• M60: 26,849,975 km (0.117 R)
• M61: 26,971,748 km (0.078 R)
• M62: 28,695,116 km (0.096 R)
• M63: 29,884,867 km (0.093 R)
• M64: 30,011,128 km (0.028 R)
• M65: 31,410,766 km (0.046 R)
• M66: 31,731,803 km (0.05 R)
• M67: 33,549,866 km (0.113 R)
• M68: 34,009,730 km (0.102 R)
• M69: 35,201,576 km (0.101 R)
• M70: 36,676,910 km (0.034 R)
• M71: 37,626,258 km (0.1 R)
• M72: 38,309,472 km (0.107 R)
• M73: 38,858,795 km (0.083 R)
• M74: 41,222,890 km (0.085 R)
• M75: 42,990,688 km (0.093 R)
• M76: 43,418,688 km (0.025 R)
• M77: 43,704,719 km (0.083 R)
• M78: 44,135,112 km (0.117 R)
• M79: 44,566,851 km (0.113 R)
• M80: 45,144,598 km (0.05 R)
• M81: 47,480,719 km (0.036 R)
• M82: 48,440,838 km (0.108 R)
• M83: 49,109,391 km (0.045 R)
• M84: 49,407,539 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.7

Radius: 4.7

Gravity: 16.24 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 10.69 AU - 16.87 AU

Year: 19069 Days

Day: 23.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 109,966,029 km

• M1: 109,057 km (0.104 R)
• M2: 279,150 km (0.078 R)
• M3: 515,514 km (0.026 R)
• M4: 930,798 km (0.117 R)
• M5: 1,607,878 km (0.06 R)
• M6: 1,907,223 km (0.07 R)
• M7: 1,963,622 km (0.117 R)
• M8: 2,135,809 km (0.117 R)
• M9: 2,194,302 km (0.105 R)
• M10: 2,312,933 km (0.111 R)
• M11: 3,472,167 km (0.112 R)
• M12: 3,575,688 km (0.032 R)
• M13: 3,645,401 km (0.1 R)
• M14: 4,591,009 km (0.099 R)
• M15: 4,743,000 km (0.102 R)
• M16: 4,973,980 km (0.08 R)
• M17: 5,446,858 km (0.073 R)
• M18: 5,486,951 km (0.092 R)
• M19: 5,688,758 km (0.113 R)
• M20: 6,605,195 km (0.104 R)
• M21: 8,200,955 km (0.073 R)
• M22: 9,908,765 km (0.109 R)
• M23: 10,651,668 km (0.079 R)
• M24: 11,929,233 km (0.088 R)
• M25: 12,138,072 km (0.037 R)
• M26: 13,470,690 km (0.104 R)
• M27: 14,071,475 km (0.114 R)
• M28: 14,681,086 km (0.065 R)
• M29: 15,697,155 km (0.068 R)
• M30: 16,619,276 km (0.095 R)
• M31: 18,817,767 km (0.071 R)
• M32: 19,673,018 km (0.102 R)
• M33: 20,353,987 km (0.11 R)
• M34: 20,916,924 km (0.111 R)
• M35: 21,484,947 km (0.079 R)
• M36: 22,121,935 km (0.089 R)
• M37: 22,700,579 km (0.027 R)
• M38: 23,089,085 km (0.119 R)
• M39: 23,349,385 km (0.113 R)
• M40: 23,938,352 km (0.114 R)
• M41: 25,936,980 km (0.073 R)
• M42: 26,956,190 km (0.093 R)
• M43: 27,367,584 km (0.069 R)
• M44: 27,711,958 km (0.06 R)
• M45: 27,988,565 km (0.097 R)
• M46: 28,614,034 km (0.093 R)
• M47: 29,808,124 km (0.056 R)
• M48: 30,304,489 km (0.089 R)
• M49: 30,589,473 km (0.105 R)
• M50: 31,090,177 km (0.047 R)
• M51: 31,449,512 km (0.1 R)
• M52: 32,827,308 km (0.11 R)
• M53: 33,193,224 km (0.108 R)
• M54: 34,372,953 km (0.073 R)
• M55: 36,697,554 km (0.085 R)
• M56: 37,764,038 km (0.074 R)
• M57: 40,005,163 km (0.096 R)
• M58: 40,709,321 km (0.112 R)
• M59: 40,787,859 km (0.1 R)
• M60: 41,338,828 km (0.103 R)
• M61: 41,417,666 km (0.119 R)
• M62: 41,496,654 km (0.111 R)
• M63: 41,654,630 km (0.092 R)
• M64: 42,130,052 km (0.117 R)
• M65: 42,368,511 km (0.068 R)
• M66: 42,607,269 km (0.063 R)
• M67: 42,846,476 km (0.101 R)
• M68: 43,086,281 km (0.057 R)
• M69: 43,968,909 km (0.077 R)
• M70: 44,291,442 km (0.086 R)
• M71: 45,344,910 km (0.112 R)
• M72: 48,804,361 km (0.052 R)
• M73: 48,971,162 km (0.092 R)
• M74: 50,988,041 km (0.111 R)
• M75: 51,072,713 km (0.101 R)
• M76: 51,157,385 km (0.092 R)
• M77: 51,921,531 km (0.119 R)
• M78: 52,860,557 km (0.106 R)
• M79: 54,063,773 km (0.058 R)
• M80: 55,189,198 km (0.113 R)
• M81: 55,972,791 km (0.105 R)
• M82: 56,584,946 km (0.09 R)
• M83: 57,727,425 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883

Radius: 7.1

Gravity: 17.52 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 14.47 AU - 23.31 AU

Year: 30606 Days

Day: 24.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 109,966,029 km

• M1: 127,158 km (0.089 R)
• M2: 310,715 km (0.074 R)
• M3: 376,089 km (0.096 R)
• M4: 1,243,757 km (0.085 R)
• M5: 1,784,553 km (0.071 R)
• M6: 1,909,168 km (0.072 R)
• M7: 3,407,690 km (0.087 R)
• M8: 3,459,152 km (0.115 R)
• M9: 5,660,035 km (0.098 R)
• M10: 5,721,221 km (0.109 R)
• M11: 5,782,556 km (0.112 R)
• M12: 6,218,035 km (0.109 R)
• M13: 6,471,604 km (0.056 R)
• M14: 6,728,613 km (0.082 R)
• M15: 7,789,860 km (0.115 R)
• M16: 8,409,495 km (0.03 R)
• M17: 8,902,420 km (0.092 R)
• M18: 9,916,095 km (0.093 R)
• M19: 10,286,948 km (0.074 R)
• M20: 11,272,200 km (0.089 R)
• M21: 12,926,602 km (0.081 R)
• M22: 14,071,026 km (0.089 R)
• M23: 14,487,507 km (0.11 R)
• M24: 14,571,281 km (0.101 R)
• M25: 16,455,317 km (0.07 R)
• M26: 18,143,080 km (0.083 R)
• M27: 18,323,944 km (0.103 R)
• M28: 20,352,342 km (0.093 R)
• M29: 20,540,386 km (0.098 R)
• M30: 21,297,800 km (0.118 R)
• M31: 21,679,873 km (0.082 R)
• M32: 22,064,340 km (0.093 R)
• M33: 22,451,050 km (0.099 R)
• M34: 22,645,078 km (0.107 R)
• M35: 22,742,467 km (0.107 R)
• M36: 24,019,883 km (0.099 R)
• M37: 24,119,216 km (0.099 R)
• M38: 26,541,355 km (0.07 R)
• M39: 27,158,895 km (0.099 R)
• M40: 27,781,222 km (0.029 R)
• M41: 30,424,317 km (0.109 R)
• M42: 31,612,424 km (0.12 R)
• M43: 32,048,202 km (0.056 R)
• M44: 32,925,893 km (0.026 R)
• M45: 33,367,655 km (0.055 R)
• M46: 34,592,563 km (0.092 R)
• M47: 35,041,656 km (0.089 R)
• M48: 35,154,153 km (0.118 R)
• M49: 35,379,747 km (0.086 R)
• M50: 36,742,733 km (0.068 R)
• M51: 39,637,302 km (0.116 R)
• M52: 41,408,840 km (0.041 R)
• M53: 41,647,000 km (0.077 R)
• M54: 42,244,344 km (0.109 R)
• M55: 43,085,533 km (0.107 R)
• M56: 43,206,109 km (0.073 R)
• M57: 45,519,042 km (0.098 R)
• M58: 46,628,460 km (0.11 R)
• M59: 46,876,343 km (0.095 R)
• M60: 56,873,969 km (0.052 R)
• M61: 60,617,356 km (0.113 R)
• M62: 62,518,596 km (0.043 R)
• M63: 62,655,179 km (0.119 R)
• M64: 64,163,873 km (0.036 R)
• M65: 64,301,653 km (0.108 R)
• M66: 64,577,511 km (0.106 R)
• M67: 67,777,260 km (0.102 R)
• M68: 68,057,906 km (0.108 R)
• M69: 70,459,101 km (0.087 R)
• M70: 73,463,625 km (0.072 R)
• M71: 73,896,112 km (0.082 R)
• M72: 76,363,579 km (0.106 R)
• M73: 78,121,504 km (0.103 R)
• M74: 79,596,539 km (0.094 R)
• M75: 80,337,497 km (0.082 R)
• M76: 81,677,146 km (0.07 R)
• M77: 83,023,976 km (0.044 R)
• M78: 86,195,152 km (0.085 R)
• M79: 86,347,293 km (0.065 R)
• M80: 88,791,273 km (0.09 R)
• M81: 90,330,336 km (0.101 R)
• M82: 91,878,225 km (0.105 R)
• M83: 100,226,833 km (0.064 R)
• M84: 102,150,512 km (0.055 R)
• M85: 102,311,330 km (0.116 R)
• M86: 104,086,309 km (0.08 R)
• M87: 108,814,350 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 11,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit