🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.9

Radius: 13

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.73 AU - 1.01 AU

Year: 550 Days

Day: 13.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,097,692 km

• M1: 161,715 km (0.105 R)
• M2: 578,495 km (0.097 R)
• M3: 1,490,743 km (0.089 R)
• M4: 2,252,046 km (0.074 R)
• M5: 2,776,536 km (0.108 R)
• M6: 3,259,289 km (0.093 R)
• M7: 3,948,785 km (0.088 R)
• M8: 4,562,585 km (0.106 R)
• M9: 4,973,830 km (0.051 R)
• M10: 5,566,986 km (0.039 R)
• M11: 6,075,170 km (0.114 R)
• M12: 6,594,274 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.3

Radius: 9.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.61 AU - 2.61 AU

Year: 2079 Days

Day: 6.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,097,692 km

• M1: 119,678 km (0.112 R)
• M2: 430,243 km (0.111 R)
• M3: 783,145 km (0.094 R)
• M4: 1,234,631 km (0.093 R)
• M5: 1,633,758 km (0.109 R)
• M6: 2,505,465 km (0.118 R)
• M7: 2,967,423 km (0.084 R)
• M8: 3,628,197 km (0.091 R)
• M9: 4,080,132 km (0.034 R)
• M10: 6,113,317 km (0.091 R)
• M11: 6,755,092 km (0.102 R)
• M12: 7,414,818 km (0.115 R)
• M13: 8,744,893 km (0.115 R)
• M14: 9,313,066 km (0.101 R)
• M15: 10,994,696 km (0.114 R)
• M16: 11,374,824 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.1

Radius: 8.7

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.45 AU - 2.53 AU

Year: 2665 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,097,692 km

• M1: 108,159 km (0.08 R)
• M2: 425,456 km (0.098 R)
• M3: 720,763 km (0.084 R)
• M4: 1,225,655 km (0.099 R)
• M5: 2,214,497 km (0.071 R)
• M6: 2,501,426 km (0.056 R)
• M7: 3,150,980 km (0.071 R)
• M8: 3,497,748 km (0.06 R)
• M9: 4,872,103 km (0.113 R)
• M10: 5,218,273 km (0.07 R)
• M11: 5,580,749 km (0.096 R)
• M12: 6,116,608 km (0.093 R)
• M13: 8,510,024 km (0.085 R)
• M14: 8,877,287 km (0.092 R)
• M15: 10,490,700 km (0.108 R)
• M16: 11,792,052 km (0.059 R)
• M17: 12,290,961 km (0.081 R)
• M18: 12,674,380 km (0.099 R)
• M19: 13,690,300 km (0.069 R)
• M20: 14,010,140 km (0.104 R)
• M21: 14,381,591 km (0.077 R)
• M22: 15,833,738 km (0.066 R)
• M23: 16,389,943 km (0.113 R)
• M24: 17,487,692 km (0.11 R)
• M25: 18,411,758 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.6

Radius: 10.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.84 AU - 3.72 AU

Year: 4029 Days

Day: 6.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,097,692 km

• M1: 135,536 km (0.086 R)
• M2: 1,018,761 km (0.073 R)
• M3: 2,905,939 km (0.052 R)
• M4: 3,250,163 km (0.099 R)
• M5: 5,862,591 km (0.115 R)
• M6: 6,789,051 km (0.038 R)
• M7: 9,074,906 km (0.028 R)
• M8: 9,665,518 km (0.117 R)
• M9: 10,471,253 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.2

Radius: 12.9

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.97 AU - 5.89 AU

Year: 7424 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,097,692 km

• M1: 161,117 km (0.116 R)
• M2: 1,401,882 km (0.088 R)
• M3: 1,946,268 km (0.085 R)
• M4: 3,425,791 km (0.101 R)
• M5: 4,913,692 km (0.065 R)
• M6: 6,057,367 km (0.112 R)
• M7: 8,333,948 km (0.11 R)
• M8: 11,083,257 km (0.116 R)
• M9: 15,459,743 km (0.114 R)
• M10: 18,165,221 km (0.046 R)
• M11: 21,474,924 km (0.111 R)
• M12: 22,322,246 km (0.115 R)
• M13: 23,513,494 km (0.076 R)
• M14: 24,998,552 km (0.052 R)
• M15: 34,405,416 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.7

Radius: 4.2

Gravity: 48.45 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.98 AU - 7.32 AU

Year: 10344 Days

Day: 20 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,097,692 km

• M1: 52,658 km (0.091 R)
• M2: 216,319 km (0.101 R)
• M3: 391,498 km (0.058 R)
• M4: 533,616 km (0.083 R)
• M5: 693,835 km (0.112 R)
• M6: 1,172,997 km (0.06 R)
• M7: 1,653,655 km (0.066 R)
• M8: 2,052,333 km (0.075 R)
• M9: 2,312,933 km (0.061 R)
• M10: 3,252,856 km (0.092 R)
• M11: 4,273,862 km (0.084 R)
• M12: 4,636,337 km (0.094 R)
• M13: 4,953,933 km (0.078 R)
• M14: 5,422,474 km (0.084 R)
• M15: 5,561,750 km (0.073 R)
• M16: 6,255,734 km (0.105 R)
• M17: 7,046,808 km (0.113 R)
• M18: 9,361,984 km (0.093 R)
• M19: 10,076,464 km (0.078 R)
• M20: 11,961,846 km (0.094 R)
• M21: 12,740,951 km (0.111 R)
• M22: 17,677,083 km (0.103 R)
• M23: 19,651,176 km (0.093 R)
• M24: 21,246,338 km (0.085 R)
• M25: 22,119,691 km (0.109 R)
• M26: 23,290,294 km (0.112 R)
• M27: 25,656,633 km (0.046 R)
• M28: 34,535,267 km (0.104 R)
• M29: 35,619,103 km (0.049 R)
• M30: 40,445,580 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.4

Radius: 4.5

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.55 AU - 8.67 AU

Year: 12859 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,097,692 km

• M1: 55,950 km (0.109 R)
• M2: 271,670 km (0.12 R)
• M3: 480,209 km (0.094 R)
• M4: 759,209 km (0.095 R)
• M5: 1,172,698 km (0.058 R)
• M6: 1,527,544 km (0.092 R)
• M7: 2,250,251 km (0.028 R)
• M8: 3,568,208 km (0.09 R)
• M9: 3,738,152 km (0.105 R)
• M10: 4,844,428 km (0.084 R)
• M11: 5,456,283 km (0.103 R)
• M12: 5,813,972 km (0.119 R)
• M13: 6,648,578 km (0.084 R)
• M14: 8,638,679 km (0.109 R)
• M15: 11,302,119 km (0.107 R)
• M16: 12,262,537 km (0.077 R)
• M17: 13,508,688 km (0.114 R)
• M18: 19,044,258 km (0.062 R)
• M19: 20,169,832 km (0.069 R)
• M20: 29,120,123 km (0.095 R)
• M21: 31,221,674 km (0.1 R)
• M22: 32,361,759 km (0.114 R)
• M23: 40,395,763 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.4

Radius: 5.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.39 AU - 11.03 AU

Year: 18957 Days

Day: 19.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,097,692 km

• M1: 69,713 km (0.11 R)
• M2: 338,839 km (0.037 R)
• M3: 640,877 km (0.117 R)
• M4: 1,831,377 km (0.069 R)
• M5: 2,924,190 km (0.106 R)
• M6: 3,391,982 km (0.054 R)
• M7: 3,597,081 km (0.112 R)
• M8: 8,569,714 km (0.073 R)
• M9: 9,522,952 km (0.077 R)
• M10: 10,738,285 km (0.087 R)
• M11: 11,844,561 km (0.096 R)
• M12: 14,999,879 km (0.112 R)
• M13: 21,715,178 km (0.068 R)
• M14: 30,778,266 km (0.113 R)
• M15: 37,070,352 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287

Radius: 4.6

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.82 AU - 13 AU

Year: 22781 Days

Day: 15.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,097,692 km

• M1: 57,146 km (0.112 R)
• M2: 234,869 km (0.112 R)
• M3: 607,517 km (0.077 R)
• M4: 862,432 km (0.109 R)
• M5: 1,291,927 km (0.102 R)
• M6: 1,493,436 km (0.113 R)
• M7: 2,474,199 km (0.074 R)
• M8: 2,717,146 km (0.071 R)
• M9: 3,542,777 km (0.085 R)
• M10: 4,148,050 km (0.087 R)
• M11: 4,752,874 km (0.098 R)
• M12: 5,824,443 km (0.098 R)
• M13: 6,580,960 km (0.034 R)
• M14: 6,748,210 km (0.118 R)
• M15: 6,961,387 km (0.116 R)
• M16: 7,765,775 km (0.046 R)
• M17: 9,935,243 km (0.109 R)
• M18: 10,720,632 km (0.106 R)
• M19: 11,790,257 km (0.117 R)
• M20: 13,191,690 km (0.082 R)
• M21: 15,644,197 km (0.077 R)
• M22: 16,093,141 km (0.117 R)
• M23: 17,016,608 km (0.103 R)
• M24: 18,633,312 km (0.101 R)
• M25: 22,356,205 km (0.089 R)
• M26: 26,440,526 km (0.038 R)
• M27: 28,491,214 km (0.103 R)
• M28: 28,713,067 km (0.109 R)
• M29: 30,529,634 km (0.059 R)
• M30: 32,421,299 km (0.105 R)
• M31: 33,028,068 km (0.051 R)
• M32: 36,436,207 km (0.099 R)
• M33: 42,336,048 km (0.037 R)
• M34: 48,053,080 km (0.081 R)
• M35: 57,914,572 km (0.116 R)
• M36: 58,807,521 km (0.052 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 14,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit