🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.7

Radius: 8.6

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.62 AU - 0.76 AU

Year: 403 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,704,942 km

• M1: 106,962 km (0.118 R)
• M2: 392,395 km (0.067 R)
• M3: 691,591 km (0.026 R)
• M4: 977,024 km (0.096 R)
• M5: 1,313,918 km (0.108 R)
• M6: 1,756,279 km (0.054 R)
• M7: 2,646,386 km (0.114 R)
• M8: 3,138,264 km (0.11 R)
• M9: 3,725,585 km (0.114 R)
• M10: 4,331,158 km (0.095 R)
• M11: 4,756,016 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.8

Radius: 13.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.76 AU - 0.82 AU

Year: 494 Days

Day: 5.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 115.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,704,942 km

• M1: 164,558 km (0.057 R)
• M2: 572,511 km (0.115 R)
• M3: 1,437,187 km (0.071 R)
• M4: 1,846,935 km (0.085 R)
• M5: 2,444,280 km (0.043 R)
• M6: 3,092,188 km (0.047 R)
• M7: 3,890,442 km (0.115 R)
• M8: 4,477,315 km (0.037 R)
• M9: 5,184,464 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.6

Radius: 10.6

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.91 AU - 0.95 AU

Year: 630 Days

Day: 8 Hours

Environment

Temp: -165 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,704,942 km

• M1: 132,095 km (0.094 R)
• M2: 462,108 km (0.084 R)
• M3: 908,358 km (0.119 R)
• M4: 1,369,120 km (0.094 R)
• M5: 1,798,765 km (0.12 R)
• M6: 2,208,364 km (0.089 R)
• M7: 2,773,694 km (0.041 R)
• M8: 3,136,918 km (0.057 R)
• M9: 3,987,382 km (0.091 R)
• M10: 4,585,474 km (0.09 R)
• M11: 5,407,664 km (0.09 R)
• M12: 5,854,363 km (0.101 R)
• M13: 6,196,194 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.7

Radius: 13.6

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5 AU - 5.74 AU

Year: 8747 Days

Day: 8.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,704,942 km

• M1: 187,596 km (0.05 R)
• M2: 826,229 km (0.084 R)
• M3: 1,336,059 km (0.099 R)
• M4: 2,041,562 km (0.061 R)
• M5: 3,097,125 km (0.103 R)
• M6: 3,985,138 km (0.06 R)
• M7: 4,880,182 km (0.073 R)
• M8: 5,392,554 km (0.084 R)
• M9: 6,488,359 km (0.108 R)
• M10: 8,336,641 km (0.09 R)
• M11: 8,884,019 km (0.097 R)
• M12: 10,306,545 km (0.082 R)
• M13: 11,045,559 km (0.068 R)
• M14: 12,511,319 km (0.116 R)
• M15: 12,987,489 km (0.065 R)
• M16: 13,662,026 km (0.091 R)
• M17: 17,245,044 km (0.092 R)
• M18: 18,515,878 km (0.089 R)
• M19: 18,979,033 km (0.045 R)
• M20: 19,608,541 km (0.112 R)
• M21: 21,581,288 km (0.1 R)
• M22: 23,592,931 km (0.112 R)
• M23: 33,236,309 km (0.064 R)
• M24: 35,083,693 km (0.101 R)
• M25: 40,905,443 km (0.115 R)
• M26: 42,089,211 km (0.05 R)
• M27: 47,484,608 km (0.081 R)
• M28: 48,353,622 km (0.074 R)
• M29: 49,528,863 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.3

Radius: 4.3

Gravity: 38.47 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.03 AU - 6.49 AU

Year: 11010 Days

Day: 20.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,704,942 km

• M1: 53,706 km (0.08 R)
• M2: 581,786 km (0.084 R)
• M3: 804,537 km (0.089 R)
• M4: 1,071,121 km (0.104 R)
• M5: 1,491,640 km (0.12 R)
• M6: 1,844,691 km (0.088 R)
• M7: 2,251,149 km (0.087 R)
• M8: 2,714,902 km (0.078 R)
• M9: 3,312,845 km (0.1 R)
• M10: 5,318,952 km (0.051 R)
• M11: 6,711,708 km (0.118 R)
• M12: 6,951,813 km (0.107 R)
• M13: 7,663,450 km (0.101 R)
• M14: 8,014,706 km (0.088 R)
• M15: 9,477,474 km (0.1 R)
• M16: 11,904,101 km (0.082 R)
• M17: 12,554,553 km (0.116 R)
• M18: 13,291,023 km (0.1 R)
• M19: 15,953,416 km (0.082 R)
• M20: 17,334,204 km (0.081 R)
• M21: 18,015,324 km (0.059 R)
• M22: 20,165,344 km (0.059 R)
• M23: 21,003,242 km (0.065 R)
• M24: 22,569,532 km (0.076 R)
• M25: 23,018,026 km (0.073 R)
• M26: 24,871,693 km (0.079 R)
• M27: 27,426,974 km (0.09 R)
• M28: 42,857,247 km (0.112 R)
• M29: 46,080,183 km (0.102 R)
• M30: 46,223,947 km (0.08 R)
• M31: 49,010,955 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346

Radius: 6.7

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.58 AU - 9.94 AU

Year: 16687 Days

Day: 23.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,704,942 km

• M1: 83,326 km (0.045 R)
• M2: 1,516,623 km (0.104 R)
• M3: 2,117,408 km (0.079 R)
• M4: 2,605,995 km (0.075 R)
• M5: 3,971,524 km (0.065 R)
• M6: 5,002,254 km (0.108 R)
• M7: 5,650,461 km (0.113 R)
• M8: 6,508,405 km (0.079 R)
• M9: 6,786,059 km (0.062 R)
• M10: 7,493,208 km (0.095 R)
• M11: 8,907,656 km (0.12 R)
• M12: 10,437,743 km (0.085 R)
• M13: 11,957,507 km (0.083 R)
• M14: 12,986,890 km (0.116 R)
• M15: 17,393,894 km (0.035 R)
• M16: 20,348,751 km (0.08 R)
• M17: 20,943,104 km (0.115 R)
• M18: 23,621,953 km (0.11 R)
• M19: 27,743,972 km (0.055 R)
• M20: 31,525,806 km (0.099 R)
• M21: 31,978,639 km (0.081 R)
• M22: 34,308,776 km (0.108 R)
• M23: 36,624,999 km (0.08 R)
• M24: 46,202,554 km (0.042 R)
• M25: 51,640,736 km (0.069 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: 441 - 19,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit