🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.9

Radius: 10.7

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.64 AU - 0.82 AU

Year: 431 Days

Day: 11.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,920,294 km

• M1: 133,142 km (0.09 R)
• M2: 542,891 km (0.1 R)
• M3: 1,158,935 km (0.092 R)
• M4: 1,598,902 km (0.114 R)
• M5: 2,933,165 km (0.064 R)
• M6: 3,654,377 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.6

Radius: 11.5

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.84 AU - 1.04 AU

Year: 629 Days

Day: 14.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,920,294 km

• M1: 143,016 km (0.103 R)
• M2: 520,152 km (0.102 R)
• M3: 903,272 km (0.078 R)
• M4: 1,375,403 km (0.089 R)
• M5: 2,902,498 km (0.113 R)
• M6: 3,432,074 km (0.069 R)
• M7: 4,097,186 km (0.099 R)
• M8: 4,718,018 km (0.078 R)
• M9: 5,279,758 km (0.11 R)
• M10: 5,848,678 km (0.106 R)
• M11: 6,321,258 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.2

Radius: 14.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.88 AU - 1.26 AU

Year: 764 Days

Day: 14.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,920,294 km

• M1: 184,005 km (0.088 R)
• M2: 745,297 km (0.114 R)
• M3: 1,257,221 km (0.103 R)
• M4: 1,722,320 km (0.093 R)
• M5: 2,204,474 km (0.081 R)
• M6: 3,159,357 km (0.099 R)
• M7: 3,805,770 km (0.08 R)
• M8: 4,359,731 km (0.113 R)
• M9: 5,273,774 km (0.032 R)
• M10: 5,826,089 km (0.05 R)
• M11: 6,891,824 km (0.073 R)
• M12: 7,459,997 km (0.105 R)
• M13: 8,409,046 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.5

Radius: 14.7

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.71 AU - 3.27 AU

Year: 3569 Days

Day: 12.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,920,294 km

• M1: 182,809 km (0.055 R)
• M2: 850,613 km (0.09 R)
• M3: 1,640,789 km (0.118 R)
• M4: 2,187,420 km (0.12 R)
• M5: 3,030,254 km (0.094 R)
• M6: 3,518,542 km (0.085 R)
• M7: 4,396,831 km (0.095 R)
• M8: 9,320,546 km (0.078 R)
• M9: 10,199,134 km (0.04 R)
• M10: 11,352,085 km (0.1 R)
• M11: 12,307,716 km (0.065 R)
• M12: 13,714,684 km (0.058 R)
• M13: 17,021,096 km (0.115 R)
• M14: 17,848,971 km (0.069 R)
• M15: 18,890,322 km (0.096 R)
• M16: 23,754,795 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.4

Radius: 12.1

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.47 AU - 3.73 AU

Year: 3768 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,920,294 km

• M1: 150,495 km (0.062 R)
• M2: 619,186 km (0.112 R)
• M3: 1,034,020 km (0.095 R)
• M4: 1,589,178 km (0.107 R)
• M5: 2,128,179 km (0.111 R)
• M6: 2,534,338 km (0.103 R)
• M7: 3,057,930 km (0.083 R)
• M8: 3,958,958 km (0.1 R)
• M9: 4,800,895 km (0.116 R)
• M10: 5,632,360 km (0.063 R)
• M11: 6,017,126 km (0.099 R)
• M12: 7,159,604 km (0.087 R)
• M13: 7,892,484 km (0.083 R)
• M14: 10,818,170 km (0.06 R)
• M15: 12,762,194 km (0.034 R)
• M16: 14,306,792 km (0.113 R)
• M17: 17,384,619 km (0.085 R)
• M18: 19,279,426 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.4

Radius: 5.9

Gravity: 27.5 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.77 AU - 7.27 AU

Year: 12839 Days

Day: 17.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,920,294 km

• M1: 84,523 km (0.091 R)
• M2: 337,194 km (0.119 R)
• M3: 675,883 km (0.039 R)
• M4: 873,203 km (0.102 R)
• M5: 1,417,290 km (0.065 R)
• M6: 1,729,950 km (0.072 R)
• M7: 2,345,695 km (0.042 R)
• M8: 2,715,351 km (0.103 R)
• M9: 3,598,128 km (0.082 R)
• M10: 3,882,214 km (0.055 R)
• M11: 4,090,006 km (0.114 R)
• M12: 7,242,631 km (0.088 R)
• M13: 8,610,105 km (0.102 R)
• M14: 9,275,666 km (0.085 R)
• M15: 9,648,015 km (0.118 R)
• M16: 10,085,739 km (0.047 R)
• M17: 10,824,902 km (0.056 R)
• M18: 13,060,044 km (0.115 R)
• M19: 16,649,495 km (0.101 R)
• M20: 17,518,958 km (0.083 R)
• M21: 18,752,841 km (0.113 R)
• M22: 27,612,476 km (0.085 R)
• M23: 30,196,181 km (0.08 R)
• M24: 31,606,141 km (0.08 R)
• M25: 34,937,835 km (0.066 R)
• M26: 40,012,942 km (0.073 R)
• M27: 41,568,910 km (0.058 R)
• M28: 42,434,334 km (0.047 R)
• M29: 45,863,416 km (0.108 R)
• M30: 47,098,197 km (0.069 R)
• M31: 58,681,261 km (0.09 R)
• M32: 59,223,852 km (0.066 R)
• M33: 60,687,368 km (0.098 R)
• M34: 61,800,676 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.8

Radius: 6.5

Gravity: 17.96 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.81 AU - 10.37 AU

Year: 17378 Days

Day: 18.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 106.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,920,294 km

• M1: 83,027 km (0.109 R)
• M2: 458,069 km (0.108 R)
• M3: 715,975 km (0.077 R)
• M4: 1,186,311 km (0.106 R)
• M5: 2,014,186 km (0.084 R)
• M6: 3,230,566 km (0.065 R)
• M7: 3,649,440 km (0.071 R)
• M8: 5,655,847 km (0.093 R)
• M9: 10,207,512 km (0.067 R)
• M10: 12,124,907 km (0.041 R)
• M11: 12,859,433 km (0.086 R)
• M12: 15,393,770 km (0.108 R)
• M13: 16,575,294 km (0.115 R)
• M14: 18,852,174 km (0.105 R)
• M15: 19,836,827 km (0.102 R)
• M16: 22,596,459 km (0.09 R)
• M17: 23,502,274 km (0.087 R)
• M18: 26,808,088 km (0.082 R)
• M19: 33,542,087 km (0.09 R)
• M20: 35,520,219 km (0.084 R)
• M21: 43,438,584 km (0.096 R)
• M22: 48,879,159 km (0.085 R)
• M23: 52,456,643 km (0.044 R)
• M24: 53,864,209 km (0.103 R)
• M25: 63,039,047 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.7

Radius: 3.8

Gravity: 65.91 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.78 AU - 8.98 AU

Year: 18265 Days

Day: 24.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 79,920,294 km

• M1: 47,871 km (0.101 R)
• M2: 171,888 km (0.114 R)
• M3: 311,463 km (0.054 R)
• M4: 497,712 km (0.059 R)
• M5: 797,506 km (0.072 R)
• M6: 1,418,936 km (0.053 R)
• M7: 1,819,409 km (0.117 R)
• M8: 1,955,244 km (0.084 R)
• M9: 2,358,410 km (0.113 R)
• M10: 2,664,488 km (0.116 R)
• M11: 2,943,787 km (0.045 R)
• M12: 3,650,936 km (0.1 R)
• M13: 4,225,691 km (0.094 R)
• M14: 4,430,042 km (0.038 R)
• M15: 4,858,490 km (0.117 R)
• M16: 6,621,800 km (0.108 R)
• M17: 7,472,264 km (0.102 R)
• M18: 8,880,578 km (0.085 R)
• M19: 10,272,886 km (0.075 R)
• M20: 10,704,924 km (0.034 R)
• M21: 13,481,611 km (0.055 R)
• M22: 15,231,906 km (0.081 R)
• M23: 15,793,197 km (0.025 R)
• M24: 16,120,068 km (0.081 R)
• M25: 17,299,797 km (0.068 R)
• M26: 19,083,303 km (0.062 R)
• M27: 22,595,412 km (0.073 R)
• M28: 27,443,729 km (0.032 R)
• M29: 28,998,650 km (0.117 R)
• M30: 29,365,613 km (0.116 R)
• M31: 36,228,565 km (0.029 R)
• M32: 39,878,155 km (0.11 R)
• M33: 42,495,070 km (0.106 R)
• M34: 47,727,256 km (0.096 R)
• M35: 48,581,759 km (0.116 R)
• M36: 50,497,360 km (0.103 R)
• M37: 53,739,594 km (0.096 R)
• M38: 55,787,739 km (0.096 R)
• M39: 56,545,302 km (0.057 R)
• M40: 60,039,011 km (0.033 R)
• M41: 67,881,679 km (0.117 R)
• M42: 69,615,369 km (0.095 R)
• M43: 69,834,081 km (0.089 R)
• M44: 79,680,912 km (0.105 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 14,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit