🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.4

Radius: 9.2

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.54 AU - 0.74 AU

Year: 341 Days

Day: 9.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,724,155 km

• M1: 114,442 km (0.12 R)
• M2: 409,001 km (0.064 R)
• M3: 751,131 km (0.084 R)
• M4: 1,132,456 km (0.111 R)
• M5: 1,487,003 km (0.04 R)
• M6: 2,151,217 km (0.102 R)
• M7: 2,895,616 km (0.099 R)
• M8: 3,604,710 km (0.093 R)
• M9: 4,537,902 km (0.101 R)
• M10: 4,902,322 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.2

Radius: 14.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.75 AU - 0.97 AU

Year: 532 Days

Day: 13.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,724,155 km

• M1: 182,809 km (0.113 R)
• M2: 668,403 km (0.04 R)
• M3: 1,221,167 km (0.071 R)
• M4: 1,680,882 km (0.067 R)
• M5: 2,462,231 km (0.085 R)
• M6: 3,649,590 km (0.092 R)
• M7: 4,232,124 km (0.116 R)
• M8: 5,352,911 km (0.116 R)
• M9: 5,913,155 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.9

Radius: 9

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.78 AU - 0.96 AU

Year: 541 Days

Day: 11.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,724,155 km

• M1: 111,899 km (0.115 R)
• M2: 445,502 km (0.105 R)
• M3: 779,555 km (0.112 R)
• M4: 1,192,744 km (0.059 R)
• M5: 1,649,017 km (0.039 R)
• M6: 1,977,983 km (0.116 R)
• M7: 2,438,744 km (0.108 R)
• M8: 3,038,333 km (0.109 R)
• M9: 3,473,663 km (0.12 R)
• M10: 3,827,013 km (0.109 R)
• M11: 4,454,426 km (0.076 R)
• M12: 4,761,700 km (0.089 R)
• M13: 5,333,314 km (0.059 R)
• M14: 6,419,245 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.8

Radius: 10

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.22 AU - 1.26 AU

Year: 921 Days

Day: 6.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,724,155 km

• M1: 131,048 km (0.116 R)
• M2: 646,113 km (0.099 R)
• M3: 1,673,851 km (0.102 R)
• M4: 2,153,312 km (0.073 R)
• M5: 2,700,242 km (0.078 R)
• M6: 3,235,353 km (0.074 R)
• M7: 3,575,838 km (0.1 R)
• M8: 3,925,897 km (0.104 R)
• M9: 6,170,912 km (0.098 R)
• M10: 6,760,328 km (0.07 R)
• M11: 7,364,554 km (0.08 R)
• M12: 7,679,906 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.6

Radius: 8.4

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.05 AU - 4.19 AU

Year: 5577 Days

Day: 13.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,724,155 km

• M1: 104,419 km (0.093 R)
• M2: 531,222 km (0.098 R)
• M3: 923,019 km (0.096 R)
• M4: 1,374,056 km (0.116 R)
• M5: 1,651,261 km (0.1 R)
• M6: 2,867,043 km (0.083 R)
• M7: 4,569,168 km (0.066 R)
• M8: 6,552,536 km (0.115 R)
• M9: 7,978,204 km (0.115 R)
• M10: 8,602,626 km (0.08 R)
• M11: 9,428,406 km (0.05 R)
• M12: 11,527,114 km (0.093 R)
• M13: 15,646,740 km (0.118 R)
• M14: 18,099,996 km (0.112 R)
• M15: 19,660,900 km (0.079 R)
• M16: 20,510,167 km (0.077 R)
• M17: 21,531,472 km (0.051 R)
• M18: 21,904,270 km (0.086 R)
• M19: 23,833,484 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.5

Radius: 3

Gravity: 81.28 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.34 AU - 7.46 AU

Year: 10797 Days

Day: 22.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,724,155 km

• M1: 43,383 km (0.113 R)
• M2: 137,929 km (0.054 R)
• M3: 313,408 km (0.025 R)
• M4: 407,804 km (0.12 R)
• M5: 804,388 km (0.08 R)
• M6: 1,617,303 km (0.119 R)
• M7: 2,284,509 km (0.116 R)
• M8: 2,461,334 km (0.112 R)
• M9: 4,366,911 km (0.106 R)
• M10: 4,858,939 km (0.12 R)
• M11: 5,771,336 km (0.082 R)
• M12: 6,173,755 km (0.091 R)
• M13: 7,708,329 km (0.071 R)
• M14: 11,056,031 km (0.088 R)
• M15: 14,583,100 km (0.115 R)
• M16: 17,484,550 km (0.038 R)
• M17: 20,413,078 km (0.102 R)
• M18: 20,748,028 km (0.059 R)
• M19: 23,377,809 km (0.064 R)
• M20: 26,716,534 km (0.101 R)
• M21: 26,816,316 km (0.105 R)
• M22: 30,686,263 km (0.055 R)
• M23: 31,792,539 km (0.094 R)
• M24: 37,101,170 km (0.068 R)
• M25: 45,624,209 km (0.111 R)
• M26: 49,279,334 km (0.095 R)
• M27: 49,579,876 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.3

Radius: 5.3

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.98 AU - 8.12 AU

Year: 12483 Days

Day: 23.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,724,155 km

• M1: 86,617 km (0.078 R)
• M2: 395,088 km (0.116 R)
• M3: 1,113,457 km (0.049 R)
• M4: 2,699,494 km (0.079 R)
• M5: 2,936,457 km (0.055 R)
• M6: 3,779,441 km (0.097 R)
• M7: 4,076,392 km (0.086 R)
• M8: 4,442,309 km (0.086 R)
• M9: 6,161,936 km (0.074 R)
• M10: 6,434,354 km (0.099 R)
• M11: 8,446,595 km (0.064 R)
• M12: 13,038,053 km (0.11 R)
• M13: 15,637,316 km (0.091 R)
• M14: 17,124,468 km (0.082 R)
• M15: 17,868,119 km (0.073 R)
• M16: 18,492,242 km (0.034 R)
• M17: 20,302,226 km (0.103 R)
• M18: 28,444,090 km (0.081 R)
• M19: 32,455,258 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 18,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit