🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32

Radius: 15

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.64 AU - 0.84 AU

Year: 405 Days

Day: 11.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 79,454,873 km

• M1: 188,942 km (0.097 R)
• M2: 867,967 km (0.066 R)
• M3: 1,827,039 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.3

Radius: 13.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.08 AU - 1.48 AU

Year: 921 Days

Day: 8.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,454,873 km

• M1: 162,912 km (0.113 R)
• M2: 611,257 km (0.098 R)
• M3: 1,130,511 km (0.056 R)
• M4: 1,700,778 km (0.104 R)
• M5: 2,269,101 km (0.092 R)
• M6: 2,863,902 km (0.042 R)
• M7: 3,272,304 km (0.048 R)
• M8: 5,204,211 km (0.101 R)
• M9: 5,797,815 km (0.096 R)
• M10: 6,309,141 km (0.104 R)
• M11: 7,030,352 km (0.082 R)
• M12: 7,636,672 km (0.074 R)
• M13: 8,821,338 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.7

Radius: 8.7

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.82 AU - 2.16 AU

Year: 1785 Days

Day: 5.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 98.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,454,873 km

• M1: 108,458 km (0.117 R)
• M2: 468,092 km (0.11 R)
• M3: 850,763 km (0.107 R)
• M4: 1,413,999 km (0.085 R)
• M5: 1,718,132 km (0.102 R)
• M6: 2,826,502 km (0.116 R)
• M7: 3,198,552 km (0.091 R)
• M8: 3,777,496 km (0.075 R)
• M9: 4,058,441 km (0.06 R)
• M10: 4,588,316 km (0.086 R)
• M11: 5,084,233 km (0.06 R)
• M12: 5,960,578 km (0.067 R)
• M13: 6,551,489 km (0.082 R)
• M14: 6,958,545 km (0.116 R)
• M15: 7,639,664 km (0.116 R)
• M16: 8,336,940 km (0.086 R)
• M17: 9,075,953 km (0.037 R)
• M18: 9,401,478 km (0.057 R)
• M19: 10,361,149 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844

Radius: 14.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.73 AU - 4.45 AU

Year: 5259 Days

Day: 10.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,454,873 km

• M1: 182,809 km (0.095 R)
• M2: 809,474 km (0.057 R)
• M3: 1,284,148 km (0.116 R)
• M4: 2,097,811 km (0.111 R)
• M5: 2,667,480 km (0.11 R)
• M6: 3,257,793 km (0.043 R)
• M7: 4,810,918 km (0.103 R)
• M8: 5,397,042 km (0.107 R)
• M9: 7,411,228 km (0.066 R)
• M10: 8,312,256 km (0.092 R)
• M11: 9,117,841 km (0.084 R)
• M12: 9,930,905 km (0.118 R)
• M13: 10,885,489 km (0.069 R)
• M14: 11,702,144 km (0.055 R)
• M15: 12,201,502 km (0.069 R)
• M16: 12,663,161 km (0.092 R)
• M17: 14,570,234 km (0.095 R)
• M18: 17,617,842 km (0.106 R)
• M19: 18,341,447 km (0.087 R)
• M20: 19,153,464 km (0.112 R)
• M21: 20,273,204 km (0.05 R)
• M22: 24,782,234 km (0.075 R)
• M23: 28,912,332 km (0.067 R)
• M24: 30,291,923 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.5

Radius: 3.8

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.51 AU - 9.73 AU

Year: 14712 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,454,873 km

• M1: 47,273 km (0.087 R)
• M2: 217,366 km (0.073 R)
• M3: 1,718,281 km (0.103 R)
• M4: 2,968,171 km (0.091 R)
• M5: 3,716,161 km (0.116 R)
• M6: 5,383,878 km (0.112 R)
• M7: 7,070,893 km (0.105 R)
• M8: 7,299,179 km (0.09 R)
• M9: 8,599,933 km (0.105 R)
• M10: 9,350,316 km (0.115 R)
• M11: 11,286,112 km (0.068 R)
• M12: 13,824,190 km (0.057 R)
• M13: 22,423,225 km (0.108 R)
• M14: 27,488,609 km (0.108 R)
• M15: 35,101,196 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.2

Radius: 6.9

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.51 AU - 8.83 AU

Year: 16232 Days

Day: 23.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,454,873 km

• M1: 97,089 km (0.086 R)
• M2: 448,494 km (0.119 R)
• M3: 857,944 km (0.111 R)
• M4: 1,078,451 km (0.107 R)
• M5: 1,351,467 km (0.08 R)
• M6: 1,590,076 km (0.072 R)
• M7: 2,481,679 km (0.034 R)
• M8: 3,136,170 km (0.08 R)
• M9: 4,170,340 km (0.088 R)
• M10: 4,681,665 km (0.095 R)
• M11: 6,102,995 km (0.117 R)
• M12: 7,421,700 km (0.065 R)
• M13: 7,790,758 km (0.115 R)
• M14: 8,318,090 km (0.117 R)
• M15: 10,267,351 km (0.118 R)
• M16: 11,869,245 km (0.081 R)
• M17: 12,438,165 km (0.078 R)
• M18: 13,905,720 km (0.045 R)
• M19: 14,970,109 km (0.111 R)
• M20: 16,241,093 km (0.107 R)
• M21: 17,340,338 km (0.068 R)
• M22: 19,166,928 km (0.081 R)
• M23: 26,037,061 km (0.096 R)
• M24: 33,256,055 km (0.1 R)
• M25: 39,297,266 km (0.116 R)
• M26: 40,700,793 km (0.093 R)
• M27: 47,589,775 km (0.076 R)
• M28: 49,668,887 km (0.112 R)
• M29: 51,143,174 km (0.11 R)
• M30: 51,640,886 km (0.077 R)
• M31: 52,815,229 km (0.053 R)
• M32: 57,332,486 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.5

Radius: 6.6

Gravity: 13.05 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.64 AU - 9.86 AU

Year: 16457 Days

Day: 21.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,454,873 km

• M1: 82,428 km (0.101 R)
• M2: 358,736 km (0.093 R)
• M3: 938,128 km (0.091 R)
• M4: 1,488,349 km (0.082 R)
• M5: 1,896,452 km (0.078 R)
• M6: 2,294,831 km (0.114 R)
• M7: 3,258,391 km (0.065 R)
• M8: 9,001,154 km (0.1 R)
• M9: 10,401,390 km (0.113 R)
• M10: 11,391,878 km (0.1 R)
• M11: 16,137,870 km (0.11 R)
• M12: 23,584,553 km (0.118 R)
• M13: 28,045,412 km (0.106 R)
• M14: 29,610,954 km (0.065 R)
• M15: 30,531,280 km (0.039 R)
• M16: 41,946,345 km (0.118 R)
• M17: 44,287,851 km (0.043 R)
• M18: 47,024,595 km (0.106 R)
• M19: 51,173,692 km (0.102 R)
• M20: 52,330,981 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843

Radius: 3.8

Gravity: 58.38 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.98 AU - 11.44 AU

Year: 19238 Days

Day: 15.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,454,873 km

• M1: 47,273 km (0.07 R)
• M2: 198,666 km (0.09 R)
• M3: 366,515 km (0.12 R)
• M4: 892,800 km (0.08 R)
• M5: 1,771,837 km (0.113 R)
• M6: 2,169,917 km (0.057 R)
• M7: 2,576,823 km (0.116 R)
• M8: 2,849,391 km (0.093 R)
• M9: 3,140,807 km (0.119 R)
• M10: 4,135,035 km (0.085 R)
• M11: 4,268,326 km (0.065 R)
• M12: 6,143,087 km (0.026 R)
• M13: 6,538,624 km (0.12 R)
• M14: 6,950,766 km (0.097 R)
• M15: 8,186,743 km (0.081 R)
• M16: 9,973,241 km (0.092 R)
• M17: 11,537,736 km (0.109 R)
• M18: 20,379,419 km (0.059 R)
• M19: 21,653,843 km (0.106 R)
• M20: 24,360,368 km (0.059 R)
• M21: 25,236,562 km (0.108 R)
• M22: 25,570,315 km (0.087 R)
• M23: 28,109,440 km (0.057 R)
• M24: 28,228,669 km (0.077 R)
• M25: 28,951,227 km (0.112 R)
• M26: 29,072,850 km (0.099 R)
• M27: 29,933,636 km (0.115 R)
• M28: 38,901,729 km (0.046 R)
• M29: 41,163,051 km (0.064 R)
• M30: 43,192,496 km (0.078 R)
• M31: 59,492,829 km (0.116 R)
• M32: 63,508,186 km (0.111 R)
• M33: 75,704,002 km (0.097 R)
• M34: 75,934,832 km (0.069 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: 547 - 11,424 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit