🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227

Radius: 13

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.54 AU - 0.76 AU

Year: 349 Days

Day: 6 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,749,188 km

• M1: 162,164 km (0.107 R)
• M2: 574,605 km (0.077 R)
• M3: 1,193,193 km (0.081 R)
• M4: 1,823,748 km (0.033 R)
• M5: 2,336,569 km (0.091 R)
• M6: 2,813,786 km (0.087 R)
• M7: 3,259,588 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776

Radius: 12.5

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.65 AU - 1.05 AU

Year: 523 Days

Day: 10 Hours

Environment

Temp: -164 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,749,188 km

• M1: 155,582 km (0.098 R)
• M2: 920,177 km (0.111 R)
• M3: 1,316,611 km (0.053 R)
• M4: 1,743,862 km (0.04 R)
• M5: 2,418,399 km (0.1 R)
• M6: 3,224,732 km (0.097 R)
• M7: 3,825,068 km (0.047 R)
• M8: 4,217,463 km (0.09 R)
• M9: 4,761,700 km (0.112 R)
• M10: 6,465,470 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.3

Radius: 15

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.96 AU - 1 AU

Year: 647 Days

Day: 10.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 44,749,188 km

• M1: 187,446 km (0.111 R)
• M2: 1,092,663 km (0.046 R)
• M3: 2,229,008 km (0.114 R)
• M4: 3,026,963 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958

Radius: 11.4

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.82 AU - 1.18 AU

Year: 667 Days

Day: 14.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,749,188 km

• M1: 141,819 km (0.061 R)
• M2: 501,003 km (0.054 R)
• M3: 865,573 km (0.108 R)
• M4: 2,169,020 km (0.079 R)
• M5: 2,715,351 km (0.093 R)
• M6: 3,378,967 km (0.095 R)
• M7: 4,836,798 km (0.051 R)
• M8: 6,072,327 km (0.115 R)
• M9: 7,231,112 km (0.098 R)
• M10: 8,106,409 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.7

Radius: 12

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.13 AU - 2.55 AU

Year: 2387 Days

Day: 5.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,749,188 km

• M1: 149,897 km (0.067 R)
• M2: 581,038 km (0.086 R)
• M3: 999,763 km (0.119 R)
• M4: 1,446,163 km (0.096 R)
• M5: 1,870,871 km (0.113 R)
• M6: 2,851,485 km (0.063 R)
• M7: 3,493,559 km (0.12 R)
• M8: 4,313,355 km (0.079 R)
• M9: 4,702,011 km (0.076 R)
• M10: 5,137,939 km (0.058 R)
• M11: 5,803,949 km (0.097 R)
• M12: 6,695,253 km (0.071 R)
• M13: 7,308,604 km (0.05 R)
• M14: 8,022,934 km (0.053 R)
• M15: 9,555,115 km (0.032 R)
• M16: 10,181,930 km (0.101 R)
• M17: 13,507,341 km (0.101 R)
• M18: 16,642,763 km (0.093 R)
• M19: 19,700,244 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.6

Radius: 4.7

Gravity: 31.31 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.56 AU - 6.82 AU

Year: 10270 Days

Day: 24 Hours

Environment

Temp: -218 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,749,188 km

• M1: 58,493 km (0.072 R)
• M2: 243,994 km (0.092 R)
• M3: 637,885 km (0.064 R)
• M4: 1,031,477 km (0.036 R)
• M5: 1,378,395 km (0.109 R)
• M6: 1,586,485 km (0.095 R)
• M7: 1,799,513 km (0.09 R)
• M8: 3,094,432 km (0.119 R)
• M9: 3,378,818 km (0.117 R)
• M10: 3,552,800 km (0.086 R)
• M11: 4,027,474 km (0.062 R)
• M12: 5,101,886 km (0.039 R)
• M13: 5,601,543 km (0.104 R)
• M14: 6,736,243 km (0.087 R)
• M15: 6,972,458 km (0.091 R)
• M16: 8,016,202 km (0.087 R)
• M17: 9,946,912 km (0.085 R)
• M18: 16,612,844 km (0.115 R)
• M19: 18,689,112 km (0.095 R)
• M20: 22,118,195 km (0.098 R)
• M21: 22,727,657 km (0.061 R)
• M22: 23,527,706 km (0.116 R)
• M23: 23,980,090 km (0.042 R)
• M24: 28,418,808 km (0.108 R)
• M25: 31,372,169 km (0.069 R)
• M26: 32,586,306 km (0.12 R)
• M27: 33,375,135 km (0.048 R)
• M28: 35,936,849 km (0.027 R)
• M29: 36,536,737 km (0.079 R)
• M30: 41,316,538 km (0.061 R)
• M31: 43,177,536 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.3

Radius: 4.9

Gravity: 15.46 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.68 AU - 6.82 AU

Year: 11695 Days

Day: 24.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 44,749,188 km

• M1: 61,186 km (0.082 R)
• M2: 259,104 km (0.102 R)
• M3: 515,963 km (0.118 R)
• M4: 721,660 km (0.053 R)
• M5: 1,254,079 km (0.074 R)
• M6: 1,548,039 km (0.1 R)
• M7: 1,902,436 km (0.087 R)
• M8: 2,132,966 km (0.058 R)
• M9: 2,309,043 km (0.102 R)
• M10: 5,978,081 km (0.094 R)
• M11: 6,882,250 km (0.077 R)
• M12: 8,041,334 km (0.101 R)
• M13: 8,513,316 km (0.096 R)
• M14: 10,236,234 km (0.039 R)
• M15: 11,739,543 km (0.081 R)
• M16: 13,324,832 km (0.104 R)
• M17: 15,500,284 km (0.1 R)
• M18: 16,775,157 km (0.103 R)
• M19: 17,402,720 km (0.057 R)
• M20: 17,686,657 km (0.116 R)
• M21: 19,607,793 km (0.108 R)
• M22: 21,500,804 km (0.033 R)
• M23: 24,563,222 km (0.111 R)
• M24: 25,462,904 km (0.112 R)
• M25: 27,904,491 km (0.082 R)
• M26: 30,088,620 km (0.109 R)
• M27: 30,292,671 km (0.1 R)
• M28: 31,536,278 km (0.06 R)
• M29: 33,904,113 km (0.097 R)
• M30: 34,905,970 km (0.119 R)
• M31: 35,131,265 km (0.1 R)
• M32: 37,792,162 km (0.108 R)
• M33: 41,334,939 km (0.042 R)
• M34: 42,992,483 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.1

Radius: 3.9

Gravity: 19.53 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.79 AU - 8.21 AU

Year: 13697 Days

Day: 17.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,749,188 km

• M1: 48,470 km (0.058 R)
• M2: 296,353 km (0.107 R)
• M3: 628,610 km (0.113 R)
• M4: 1,061,696 km (0.118 R)
• M5: 1,243,458 km (0.117 R)
• M6: 1,445,714 km (0.056 R)
• M7: 1,597,256 km (0.117 R)
• M8: 1,774,530 km (0.06 R)
• M9: 2,520,724 km (0.043 R)
• M10: 3,479,946 km (0.066 R)
• M11: 3,961,052 km (0.104 R)
• M12: 4,176,473 km (0.053 R)
• M13: 4,659,974 km (0.069 R)
• M14: 5,669,610 km (0.104 R)
• M15: 6,931,917 km (0.07 R)
• M16: 7,485,578 km (0.094 R)
• M17: 9,275,816 km (0.106 R)
• M18: 10,497,133 km (0.078 R)
• M19: 11,821,523 km (0.12 R)
• M20: 11,987,577 km (0.106 R)
• M21: 14,669,268 km (0.095 R)
• M22: 16,732,971 km (0.118 R)
• M23: 16,872,396 km (0.067 R)
• M24: 19,286,307 km (0.087 R)
• M25: 22,087,677 km (0.107 R)
• M26: 23,804,312 km (0.075 R)
• M27: 24,157,962 km (0.096 R)
• M28: 25,240,003 km (0.067 R)
• M29: 25,885,967 km (0.106 R)
• M30: 34,179,822 km (0.083 R)
• M31: 34,856,453 km (0.097 R)
• M32: 38,859,842 km (0.057 R)
• M33: 40,593,831 km (0.064 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 14,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit