🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.2

Radius: 13.7

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.61 AU - 0.81 AU

Year: 421 Days

Day: 11.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,766,217 km

• M1: 171,290 km (0.079 R)
• M2: 700,268 km (0.072 R)
• M3: 1,172,399 km (0.1 R)
• M4: 1,826,440 km (0.1 R)
• M5: 2,577,871 km (0.117 R)
• M6: 3,290,854 km (0.109 R)
• M7: 4,819,595 km (0.084 R)
• M8: 5,449,850 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.2

Radius: 8.7

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.48 AU - 2.3 AU

Year: 1826 Days

Day: 5.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,766,217 km

• M1: 108,309 km (0.119 R)
• M2: 499,208 km (0.027 R)
• M3: 981,960 km (0.116 R)
• M4: 1,451,249 km (0.088 R)
• M5: 1,865,037 km (0.063 R)
• M6: 2,396,408 km (0.096 R)
• M7: 2,839,517 km (0.099 R)
• M8: 3,252,557 km (0.12 R)
• M9: 5,044,889 km (0.082 R)
• M10: 5,628,321 km (0.091 R)
• M11: 5,924,076 km (0.111 R)
• M12: 6,627,485 km (0.116 R)
• M13: 7,069,995 km (0.052 R)
• M14: 7,443,840 km (0.038 R)
• M15: 8,873,996 km (0.083 R)
• M16: 9,275,517 km (0.083 R)
• M17: 10,368,778 km (0.075 R)
• M18: 11,272,648 km (0.047 R)
• M19: 11,624,652 km (0.116 R)
• M20: 13,983,212 km (0.08 R)
• M21: 15,227,118 km (0.05 R)
• M22: 15,754,451 km (0.083 R)
• M23: 16,047,214 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.9

Radius: 12.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.87 AU - 2.11 AU

Year: 1973 Days

Day: 14.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,766,217 km

• M1: 185,501 km (0.105 R)
• M2: 717,322 km (0.066 R)
• M3: 1,272,928 km (0.12 R)
• M4: 2,091,528 km (0.082 R)
• M5: 2,579,516 km (0.101 R)
• M6: 3,345,008 km (0.1 R)
• M7: 4,850,861 km (0.115 R)
• M8: 5,519,413 km (0.104 R)
• M9: 6,227,311 km (0.108 R)
• M10: 6,791,743 km (0.078 R)
• M11: 7,678,111 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.6

Radius: 10

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.02 AU - 2.96 AU

Year: 2762 Days

Day: 9.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,766,217 km

• M1: 283,937 km (0.098 R)
• M2: 847,023 km (0.059 R)
• M3: 1,600,548 km (0.114 R)
• M4: 1,995,935 km (0.12 R)
• M5: 2,809,448 km (0.081 R)
• M6: 3,234,605 km (0.088 R)
• M7: 5,400,184 km (0.093 R)
• M8: 6,099,853 km (0.062 R)
• M9: 7,406,441 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.8

Radius: 14.8

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.33 AU - 3.05 AU

Year: 3101 Days

Day: 14 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,766,217 km

• M1: 184,005 km (0.095 R)
• M2: 1,128,566 km (0.087 R)
• M3: 1,923,230 km (0.065 R)
• M4: 2,456,547 km (0.11 R)
• M5: 3,106,250 km (0.112 R)
• M6: 3,576,287 km (0.026 R)
• M7: 4,306,773 km (0.107 R)
• M8: 5,159,631 km (0.049 R)
• M9: 6,898,855 km (0.088 R)
• M10: 7,968,779 km (0.09 R)
• M11: 8,788,875 km (0.11 R)
• M12: 9,514,574 km (0.034 R)
• M13: 11,378,414 km (0.067 R)
• M14: 12,463,747 km (0.068 R)
• M15: 13,569,724 km (0.118 R)
• M16: 14,640,096 km (0.12 R)
• M17: 16,029,861 km (0.077 R)
• M18: 21,044,531 km (0.059 R)
• M19: 21,883,925 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.8

Radius: 7.6

Gravity: 14.47 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.56 AU - 7.2 AU

Year: 11328 Days

Day: 24.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,766,217 km

• M1: 94,845 km (0.079 R)
• M2: 525,837 km (0.078 R)
• M3: 891,753 km (0.057 R)
• M4: 1,212,640 km (0.074 R)
• M5: 2,240,079 km (0.042 R)
• M6: 2,497,237 km (0.093 R)
• M7: 3,001,232 km (0.117 R)
• M8: 3,340,072 km (0.118 R)
• M9: 4,481,503 km (0.073 R)
• M10: 4,925,211 km (0.117 R)
• M11: 6,792,940 km (0.071 R)
• M12: 8,043,279 km (0.113 R)
• M13: 8,366,710 km (0.08 R)
• M14: 9,389,510 km (0.088 R)
• M15: 11,506,171 km (0.092 R)
• M16: 13,336,949 km (0.11 R)
• M17: 14,388,772 km (0.084 R)
• M18: 14,660,292 km (0.114 R)
• M19: 16,141,610 km (0.09 R)
• M20: 19,647,137 km (0.085 R)
• M21: 20,149,936 km (0.06 R)
• M22: 20,920,065 km (0.096 R)
• M23: 21,532,669 km (0.075 R)
• M24: 25,461,258 km (0.103 R)
• M25: 26,361,090 km (0.076 R)
• M26: 28,330,396 km (0.065 R)
• M27: 28,650,087 km (0.106 R)
• M28: 28,972,021 km (0.098 R)
• M29: 33,618,980 km (0.032 R)
• M30: 34,217,671 km (0.081 R)
• M31: 36,431,719 km (0.055 R)
• M32: 39,001,810 km (0.106 R)
• M33: 54,171,633 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.6

Radius: 5.9

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.16 AU - 7.74 AU

Year: 14294 Days

Day: 24.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,766,217 km

• M1: 73,453 km (0.099 R)
• M2: 283,338 km (0.108 R)
• M3: 785,688 km (0.098 R)
• M4: 1,925,175 km (0.075 R)
• M5: 2,365,591 km (0.033 R)
• M6: 5,295,316 km (0.094 R)
• M7: 14,670,914 km (0.051 R)
• M8: 15,553,242 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.4

Radius: 7.5

Gravity: 16.7 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.9 AU - 9.84 AU

Year: 15519 Days

Day: 16.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,766,217 km

• M1: 156,330 km (0.114 R)
• M2: 582,235 km (0.082 R)
• M3: 2,037,373 km (0.12 R)
• M4: 2,451,311 km (0.084 R)
• M5: 3,097,723 km (0.082 R)
• M6: 3,675,171 km (0.105 R)
• M7: 3,913,181 km (0.119 R)
• M8: 4,257,406 km (0.073 R)
• M9: 11,889,740 km (0.031 R)
• M10: 13,435,235 km (0.108 R)
• M11: 16,195,465 km (0.081 R)
• M12: 18,347,132 km (0.03 R)
• M13: 21,343,427 km (0.068 R)
• M14: 27,486,066 km (0.109 R)
• M15: 32,260,930 km (0.099 R)
• M16: 32,639,862 km (0.083 R)
• M17: 35,242,416 km (0.078 R)
• M18: 36,731,064 km (0.11 R)
• M19: 64,756,729 km (0.094 R)
• M20: 70,531,806 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.5

Radius: 7.3

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.49 AU - 9.33 AU

Year: 15638 Days

Day: 20.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,766,217 km

• M1: 92,152 km (0.095 R)
• M2: 354,098 km (0.105 R)
• M3: 815,308 km (0.098 R)
• M4: 1,178,981 km (0.084 R)
• M5: 1,755,082 km (0.073 R)
• M6: 2,161,091 km (0.114 R)
• M7: 2,953,212 km (0.089 R)
• M8: 4,091,951 km (0.115 R)
• M9: 5,672,751 km (0.105 R)
• M10: 6,406,230 km (0.083 R)
• M11: 6,956,301 km (0.065 R)
• M12: 13,468,446 km (0.062 R)
• M13: 16,150,137 km (0.094 R)
• M14: 16,653,534 km (0.107 R)
• M15: 18,536,822 km (0.042 R)
• M16: 19,570,094 km (0.109 R)
• M17: 20,224,884 km (0.1 R)
• M18: 21,664,464 km (0.088 R)
• M19: 26,689,457 km (0.12 R)
• M20: 30,766,896 km (0.08 R)
• M21: 31,540,317 km (0.089 R)
• M22: 34,055,058 km (0.092 R)
• M23: 36,823,815 km (0.066 R)
• M24: 43,078,652 km (0.066 R)
• M25: 47,620,144 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332

Radius: 4.5

Gravity: 16.4 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.83 AU - 10.25 AU

Year: 17543 Days

Day: 22.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,766,217 km

• M1: 55,950 km (0.09 R)
• M2: 251,923 km (0.088 R)
• M3: 1,489,247 km (0.111 R)
• M4: 3,153,822 km (0.12 R)
• M5: 4,909,653 km (0.029 R)
• M6: 5,592,417 km (0.11 R)
• M7: 9,059,497 km (0.098 R)
• M8: 10,187,914 km (0.093 R)
• M9: 14,668,520 km (0.117 R)
• M10: 15,150,225 km (0.104 R)
• M11: 18,264,254 km (0.04 R)
• M12: 19,308,298 km (0.089 R)
• M13: 26,420,330 km (0.034 R)
• M14: 48,460,136 km (0.076 R)
• M15: 54,602,176 km (0.042 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 17,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit