🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.6

Radius: 14.3

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.88 AU - 1.28 AU

Year: 736 Days

Day: 14.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,813,969 km

• M1: 178,321 km (0.064 R)
• M2: 648,208 km (0.087 R)
• M3: 1,331,571 km (0.049 R)
• M4: 1,870,123 km (0.058 R)
• M5: 2,336,120 km (0.113 R)
• M6: 3,104,006 km (0.092 R)
• M7: 3,720,948 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.6

Radius: 8.8

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.98 AU - 1.26 AU

Year: 778 Days

Day: 7.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,813,969 km

• M1: 109,506 km (0.117 R)
• M2: 406,308 km (0.073 R)
• M3: 719,416 km (0.071 R)
• M4: 1,593,367 km (0.071 R)
• M5: 2,163,185 km (0.074 R)
• M6: 3,417,115 km (0.118 R)
• M7: 4,233,171 km (0.112 R)
• M8: 4,566,475 km (0.07 R)
• M9: 5,210,793 km (0.119 R)
• M10: 5,792,878 km (0.104 R)
• M11: 7,925,097 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.5

Radius: 12.3

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.07 AU - 2.39 AU

Year: 2185 Days

Day: 13.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,813,969 km

• M1: 153,039 km (0.027 R)
• M2: 900,130 km (0.045 R)
• M3: 1,355,656 km (0.118 R)
• M4: 1,765,404 km (0.091 R)
• M5: 2,540,022 km (0.061 R)
• M6: 3,045,663 km (0.06 R)
• M7: 3,855,586 km (0.102 R)
• M8: 4,241,698 km (0.106 R)
• M9: 5,252,531 km (0.119 R)
• M10: 5,679,932 km (0.042 R)
• M11: 6,233,893 km (0.111 R)
• M12: 6,851,433 km (0.105 R)
• M13: 10,871,876 km (0.09 R)
• M14: 11,294,490 km (0.081 R)
• M15: 12,839,387 km (0.049 R)
• M16: 15,034,137 km (0.09 R)
• M17: 15,559,226 km (0.108 R)
• M18: 16,747,631 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.2

Radius: 9.1

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.02 AU - 2.48 AU

Year: 2214 Days

Day: 8.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,813,969 km

• M1: 113,246 km (0.095 R)
• M2: 505,641 km (0.035 R)
• M3: 1,040,902 km (0.035 R)
• M4: 1,551,928 km (0.042 R)
• M5: 1,910,963 km (0.101 R)
• M6: 2,404,487 km (0.07 R)
• M7: 3,027,711 km (0.11 R)
• M8: 4,072,652 km (0.119 R)
• M9: 4,388,154 km (0.058 R)
• M10: 5,113,405 km (0.109 R)
• M11: 5,411,105 km (0.085 R)
• M12: 6,348,335 km (0.075 R)
• M13: 6,665,782 km (0.066 R)
• M14: 7,275,393 km (0.084 R)
• M15: 9,601,341 km (0.118 R)
• M16: 10,091,424 km (0.052 R)
• M17: 10,415,153 km (0.085 R)
• M18: 12,342,273 km (0.076 R)
• M19: 12,629,800 km (0.031 R)
• M20: 13,006,188 km (0.115 R)
• M21: 13,957,631 km (0.08 R)
• M22: 15,901,805 km (0.048 R)
• M23: 16,390,092 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.7

Radius: 14.4

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.1 AU - 2.86 AU

Year: 2562 Days

Day: 7.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,813,969 km

• M1: 179,069 km (0.093 R)
• M2: 633,098 km (0.098 R)
• M3: 1,092,663 km (0.04 R)
• M4: 1,587,832 km (0.111 R)
• M5: 2,078,662 km (0.047 R)
• M6: 2,658,055 km (0.078 R)
• M7: 3,182,246 km (0.09 R)
• M8: 5,964,018 km (0.104 R)
• M9: 6,498,083 km (0.115 R)
• M10: 8,357,435 km (0.104 R)
• M11: 8,832,707 km (0.084 R)
• M12: 9,292,721 km (0.051 R)
• M13: 10,659,447 km (0.102 R)
• M14: 15,049,097 km (0.104 R)
• M15: 15,994,855 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452

Radius: 11.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.12 AU - 3.4 AU

Year: 3861 Days

Day: 9.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,813,969 km

• M1: 145,559 km (0.102 R)
• M2: 1,584,241 km (0.093 R)
• M3: 2,043,657 km (0.108 R)
• M4: 2,471,806 km (0.1 R)
• M5: 3,044,317 km (0.056 R)
• M6: 3,684,446 km (0.049 R)
• M7: 4,089,258 km (0.039 R)
• M8: 4,729,387 km (0.104 R)
• M9: 5,800,657 km (0.106 R)
• M10: 6,966,324 km (0.088 R)
• M11: 8,802,937 km (0.064 R)
• M12: 9,456,530 km (0.071 R)
• M13: 10,181,182 km (0.104 R)
• M14: 10,983,625 km (0.108 R)
• M15: 11,442,741 km (0.096 R)
• M16: 11,914,573 km (0.076 R)
• M17: 12,354,839 km (0.05 R)
• M18: 14,821,559 km (0.09 R)
• M19: 15,331,089 km (0.072 R)
• M20: 16,765,433 km (0.09 R)
• M21: 17,884,276 km (0.118 R)
• M22: 18,992,646 km (0.11 R)
• M23: 21,410,447 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.5

Radius: 13.8

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.49 AU - 6.13 AU

Year: 8027 Days

Day: 12.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 22,813,969 km

• M1: 171,738 km (0.116 R)
• M2: 727,046 km (0.11 R)
• M3: 1,173,595 km (0.089 R)
• M4: 2,013,587 km (0.102 R)
• M5: 4,007,129 km (0.095 R)
• M6: 4,443,057 km (0.119 R)
• M7: 8,448,241 km (0.1 R)
• M8: 10,031,136 km (0.106 R)
• M9: 10,634,613 km (0.063 R)
• M10: 12,420,064 km (0.117 R)
• M11: 14,085,388 km (0.104 R)
• M12: 15,166,681 km (0.075 R)
• M13: 16,647,251 km (0.091 R)
• M14: 17,279,900 km (0.08 R)
• M15: 18,148,466 km (0.057 R)
• M16: 19,045,903 km (0.103 R)
• M17: 19,816,183 km (0.11 R)
• M18: 20,767,775 km (0.111 R)
• M19: 21,832,912 km (0.102 R)
• M20: 23,806,257 km (0.058 R)
• M21: 24,340,022 km (0.111 R)
• M22: 30,022,797 km (0.116 R)
• M23: 39,183,871 km (0.089 R)
• M24: 39,803,655 km (0.111 R)
• M25: 40,809,102 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.9

Radius: 6.3

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.63 AU - 8.81 AU

Year: 15460 Days

Day: 22.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,813,969 km

• M1: 78,539 km (0.065 R)
• M2: 420,968 km (0.093 R)
• M3: 1,044,792 km (0.085 R)
• M4: 1,365,679 km (0.061 R)
• M5: 1,924,128 km (0.068 R)
• M6: 4,071,156 km (0.115 R)
• M7: 7,008,660 km (0.112 R)
• M8: 8,529,023 km (0.083 R)
• M9: 9,555,265 km (0.118 R)
• M10: 9,902,033 km (0.092 R)
• M11: 10,296,971 km (0.094 R)
• M12: 12,984,497 km (0.053 R)
• M13: 13,267,087 km (0.114 R)
• M14: 14,238,875 km (0.093 R)
• M15: 18,962,129 km (0.086 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 12,775 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit