🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.4

Radius: 8.1

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.99 AU - 1.19 AU

Year: 786 Days

Day: 14 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,843,226 km

• M1: 100,829 km (0.112 R)
• M2: 422,614 km (0.084 R)
• M3: 903,272 km (0.083 R)
• M4: 1,176,886 km (0.093 R)
• M5: 1,506,600 km (0.105 R)
• M6: 1,814,323 km (0.115 R)
• M7: 2,092,425 km (0.107 R)
• M8: 2,747,963 km (0.049 R)
• M9: 3,680,556 km (0.063 R)
• M10: 4,034,206 km (0.085 R)
• M11: 4,326,670 km (0.101 R)
• M12: 4,863,726 km (0.082 R)
• M13: 5,661,232 km (0.116 R)
• M14: 6,994,149 km (0.071 R)
• M15: 8,980,510 km (0.081 R)
• M16: 9,623,182 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.2

Radius: 10

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.08 AU - 1.22 AU

Year: 851 Days

Day: 10.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,843,226 km

• M1: 124,316 km (0.104 R)
• M2: 552,465 km (0.089 R)
• M3: 1,051,972 km (0.108 R)
• M4: 1,411,755 km (0.115 R)
• M5: 2,083,599 km (0.093 R)
• M6: 2,454,452 km (0.067 R)
• M7: 2,923,292 km (0.118 R)
• M8: 3,355,031 km (0.103 R)
• M9: 4,743,150 km (0.09 R)
• M10: 5,374,304 km (0.077 R)
• M11: 5,727,504 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.2

Radius: 12.3

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.3 AU - 1.78 AU

Year: 1319 Days

Day: 14.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,843,226 km

• M1: 153,039 km (0.085 R)
• M2: 563,086 km (0.096 R)
• M3: 1,007,691 km (0.108 R)
• M4: 1,558,959 km (0.112 R)
• M5: 2,272,990 km (0.099 R)
• M6: 4,554,058 km (0.073 R)
• M7: 5,178,181 km (0.095 R)
• M8: 6,526,058 km (0.07 R)
• M9: 7,090,939 km (0.101 R)
• M10: 8,719,611 km (0.117 R)
• M11: 10,289,491 km (0.047 R)
• M12: 11,541,177 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.9

Radius: 13.1

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.27 AU - 2.35 AU

Year: 2423 Days

Day: 7.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,843,226 km

• M1: 176,226 km (0.104 R)
• M2: 610,509 km (0.081 R)
• M3: 1,355,207 km (0.117 R)
• M4: 1,882,240 km (0.078 R)
• M5: 3,887,600 km (0.101 R)
• M6: 5,695,640 km (0.066 R)
• M7: 6,552,985 km (0.045 R)
• M8: 7,002,228 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219

Radius: 9.2

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.02 AU - 4.5 AU

Year: 5033 Days

Day: 12.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,843,226 km

• M1: 119,828 km (0.088 R)
• M2: 428,897 km (0.093 R)
• M3: 1,546,244 km (0.112 R)
• M4: 1,956,291 km (0.095 R)
• M5: 3,219,496 km (0.108 R)
• M6: 4,772,322 km (0.066 R)
• M7: 7,402,252 km (0.052 R)
• M8: 8,573,304 km (0.098 R)
• M9: 9,202,962 km (0.113 R)
• M10: 9,639,788 km (0.111 R)
• M11: 13,835,409 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.5

Radius: 6.2

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.92 AU - 6.62 AU

Year: 9567 Days

Day: 15.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,843,226 km

• M1: 77,791 km (0.117 R)
• M2: 321,187 km (0.116 R)
• M3: 546,032 km (0.108 R)
• M4: 810,820 km (0.069 R)
• M5: 1,214,286 km (0.099 R)
• M6: 1,412,503 km (0.102 R)
• M7: 1,618,948 km (0.101 R)
• M8: 1,816,118 km (0.093 R)
• M9: 2,175,452 km (0.113 R)
• M10: 3,612,938 km (0.114 R)
• M11: 5,130,160 km (0.055 R)
• M12: 6,214,146 km (0.057 R)
• M13: 6,882,400 km (0.102 R)
• M14: 8,697,471 km (0.097 R)
• M15: 12,794,507 km (0.09 R)
• M16: 14,284,652 km (0.087 R)
• M17: 14,523,859 km (0.078 R)
• M18: 15,569,997 km (0.094 R)
• M19: 16,208,331 km (0.119 R)
• M20: 19,590,739 km (0.09 R)
• M21: 20,942,954 km (0.103 R)
• M22: 26,076,405 km (0.051 R)
• M23: 27,525,559 km (0.079 R)
• M24: 30,682,374 km (0.111 R)
• M25: 32,501,933 km (0.119 R)
• M26: 33,019,990 km (0.073 R)
• M27: 33,860,132 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634

Radius: 6.1

Gravity: 17.04 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.55 AU - 7.15 AU

Year: 12375 Days

Day: 19.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,843,226 km

• M1: 76,295 km (0.112 R)
• M2: 421,866 km (0.113 R)
• M3: 704,756 km (0.096 R)
• M4: 1,571,526 km (0.11 R)
• M5: 2,584,453 km (0.116 R)
• M6: 2,888,585 km (0.049 R)
• M7: 3,096,676 km (0.097 R)
• M8: 3,517,046 km (0.034 R)
• M9: 5,275,270 km (0.071 R)
• M10: 10,620,850 km (0.115 R)
• M11: 11,806,114 km (0.085 R)
• M12: 13,973,339 km (0.034 R)
• M13: 21,775,466 km (0.12 R)
• M14: 23,585,451 km (0.088 R)
• M15: 31,153,906 km (0.099 R)
• M16: 34,754,278 km (0.109 R)
• M17: 44,734,102 km (0.047 R)
• M18: 46,174,729 km (0.075 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 11,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit