🌌 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: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.9

Radius: 13.4

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.69 AU - 1.07 AU

Year: 570 Days

Day: 14.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,141,071 km

• M1: 166,802 km (0.106 R)
• M2: 592,557 km (0.09 R)
• M3: 1,050,027 km (0.065 R)
• M4: 1,615,358 km (0.117 R)
• M5: 2,401,345 km (0.098 R)
• M6: 2,906,088 km (0.07 R)
• M7: 3,455,860 km (0.12 R)
• M8: 4,372,596 km (0.075 R)
• M9: 5,166,512 km (0.114 R)
• M10: 5,827,884 km (0.075 R)
• M11: 6,306,298 km (0.12 R)
• M12: 6,936,105 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.8

Radius: 11.7

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.89 AU - 0.99 AU

Year: 629 Days

Day: 7.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 94.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,141,071 km

• M1: 145,559 km (0.097 R)
• M2: 535,411 km (0.112 R)
• M3: 1,110,465 km (0.085 R)
• M4: 1,631,365 km (0.055 R)
• M5: 1,995,785 km (0.108 R)
• M6: 2,415,258 km (0.039 R)
• M7: 2,835,029 km (0.049 R)
• M8: 3,502,685 km (0.092 R)
• M9: 5,930,957 km (0.12 R)
• M10: 6,451,857 km (0.078 R)
• M11: 7,156,613 km (0.079 R)
• M12: 7,677,812 km (0.09 R)
• M13: 8,297,147 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.2

Radius: 12.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.67 AU - 2.49 AU

Year: 2071 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,141,071 km

• M1: 165,006 km (0.103 R)
• M2: 567,275 km (0.118 R)
• M3: 985,551 km (0.08 R)
• M4: 2,266,109 km (0.054 R)
• M5: 2,755,443 km (0.075 R)
• M6: 3,376,723 km (0.052 R)
• M7: 4,361,676 km (0.096 R)
• M8: 5,817,861 km (0.075 R)
• M9: 7,048,902 km (0.113 R)
• M10: 10,087,684 km (0.109 R)
• M11: 12,042,479 km (0.077 R)
• M12: 12,454,322 km (0.045 R)
• M13: 13,425,661 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.5

Radius: 9.1

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.72 AU - 3.32 AU

Year: 3623 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 127.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,141,071 km

• M1: 113,246 km (0.077 R)
• M2: 461,809 km (0.052 R)
• M3: 1,211,743 km (0.116 R)
• M4: 1,579,903 km (0.049 R)
• M5: 1,914,404 km (0.091 R)
• M6: 2,594,925 km (0.081 R)
• M7: 3,693,721 km (0.076 R)
• M8: 3,994,862 km (0.109 R)
• M9: 6,776,335 km (0.101 R)
• M10: 8,489,081 km (0.108 R)
• M11: 8,787,678 km (0.094 R)
• M12: 10,860,057 km (0.068 R)
• M13: 11,391,429 km (0.1 R)
• M14: 11,709,325 km (0.089 R)
• M15: 13,438,975 km (0.084 R)
• M16: 14,207,459 km (0.099 R)
• M17: 16,689,438 km (0.036 R)
• M18: 17,758,614 km (0.1 R)
• M19: 19,318,321 km (0.037 R)
• M20: 20,429,833 km (0.034 R)
• M21: 21,103,323 km (0.033 R)
• M22: 21,861,036 km (0.087 R)
• M23: 23,871,781 km (0.041 R)
• M24: 25,227,736 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.7

Radius: 13

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.88 AU - 4.06 AU

Year: 4462 Days

Day: 8.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,141,071 km

• M1: 162,463 km (0.12 R)
• M2: 1,531,284 km (0.083 R)
• M3: 1,965,566 km (0.104 R)
• M4: 4,674,036 km (0.089 R)
• M5: 7,262,827 km (0.1 R)
• M6: 7,965,339 km (0.082 R)
• M7: 11,119,011 km (0.1 R)
• M8: 13,938,931 km (0.059 R)
• M9: 14,832,030 km (0.099 R)
• M10: 15,812,944 km (0.082 R)
• M11: 18,566,143 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.4

Radius: 3.8

Gravity: 46.08 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.94 AU - 6.18 AU

Year: 9049 Days

Day: 22.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,141,071 km

• M1: 56,398 km (0.107 R)
• M2: 229,034 km (0.058 R)
• M3: 683,812 km (0.117 R)
• M4: 1,209,499 km (0.095 R)
• M5: 1,460,524 km (0.074 R)
• M6: 1,917,097 km (0.08 R)
• M7: 2,500,977 km (0.103 R)
• M8: 4,253,965 km (0.075 R)
• M9: 5,108,767 km (0.074 R)
• M10: 5,493,832 km (0.068 R)
• M11: 5,863,489 km (0.115 R)
• M12: 7,631,735 km (0.117 R)
• M13: 8,134,534 km (0.076 R)
• M14: 11,193,810 km (0.088 R)
• M15: 11,353,581 km (0.104 R)
• M16: 13,691,945 km (0.082 R)
• M17: 14,812,882 km (0.1 R)
• M18: 15,199,742 km (0.105 R)
• M19: 18,614,912 km (0.101 R)
• M20: 19,909,831 km (0.065 R)
• M21: 21,838,447 km (0.114 R)
• M22: 23,976,200 km (0.115 R)
• M23: 24,869,000 km (0.109 R)
• M24: 30,075,754 km (0.066 R)
• M25: 30,488,046 km (0.065 R)
• M26: 32,067,800 km (0.087 R)
• M27: 34,034,413 km (0.098 R)
• M28: 38,326,376 km (0.025 R)
• M29: 38,447,102 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.3

Radius: 5.6

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.97 AU - 11.45 AU

Year: 19293 Days

Day: 20.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,141,071 km

• M1: 69,713 km (0.093 R)
• M2: 332,706 km (0.04 R)
• M3: 578,046 km (0.116 R)
• M4: 836,402 km (0.063 R)
• M5: 1,588,879 km (0.054 R)
• M6: 2,359,158 km (0.07 R)
• M7: 2,804,960 km (0.092 R)
• M8: 3,025,467 km (0.066 R)
• M9: 3,863,365 km (0.096 R)
• M10: 4,136,830 km (0.093 R)
• M11: 4,541,343 km (0.091 R)
• M12: 5,395,397 km (0.11 R)
• M13: 6,389,475 km (0.06 R)
• M14: 8,323,326 km (0.074 R)
• M15: 9,014,618 km (0.114 R)
• M16: 9,994,933 km (0.116 R)
• M17: 10,458,537 km (0.046 R)
• M18: 10,669,021 km (0.064 R)
• M19: 11,484,030 km (0.114 R)
• M20: 12,339,880 km (0.065 R)
• M21: 12,753,368 km (0.072 R)
• M22: 19,474,800 km (0.118 R)
• M23: 19,954,561 km (0.099 R)
• M24: 24,540,484 km (0.108 R)
• M25: 26,244,852 km (0.112 R)
• M26: 27,523,914 km (0.112 R)
• M27: 34,663,472 km (0.071 R)
• M28: 37,415,325 km (0.112 R)
• M29: 37,784,682 km (0.11 R)
• M30: 44,166,827 km (0.108 R)
• M31: 48,554,532 km (0.113 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: 472 - 16,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit