🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.6

Radius: 9.8

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.06 AU - 1.72 AU

Year: 1131 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,140,571 km

• M1: 121,922 km (0.093 R)
• M2: 546,032 km (0.043 R)
• M3: 970,591 km (0.118 R)
• M4: 1,446,462 km (0.043 R)
• M5: 2,374,866 km (0.105 R)
• M6: 2,838,320 km (0.118 R)
• M7: 3,200,198 km (0.116 R)
• M8: 3,753,710 km (0.098 R)
• M9: 4,132,940 km (0.113 R)
• M10: 4,460,859 km (0.099 R)
• M11: 5,101,886 km (0.083 R)
• M12: 6,044,502 km (0.061 R)

Asteroid Belt

Center: 1.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.6

Radius: 14.7

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.1 AU - 2.9 AU

Year: 2728 Days

Day: 7.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,140,571 km

• M1: 183,407 km (0.12 R)
• M2: 948,750 km (0.095 R)
• M3: 1,502,411 km (0.083 R)
• M4: 2,179,043 km (0.037 R)
• M5: 2,697,549 km (0.104 R)
• M6: 3,613,237 km (0.085 R)
• M7: 4,113,044 km (0.099 R)
• M8: 4,728,041 km (0.043 R)
• M9: 5,204,360 km (0.111 R)
• M10: 7,442,195 km (0.088 R)
• M11: 8,156,824 km (0.031 R)
• M12: 10,223,219 km (0.078 R)
• M13: 11,107,343 km (0.053 R)
• M14: 12,663,759 km (0.11 R)
• M15: 15,835,832 km (0.056 R)
• M16: 18,729,205 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.8

Radius: 8.9

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.9 AU - 5.72 AU

Year: 7282 Days

Day: 8.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,140,571 km

• M1: 110,702 km (0.058 R)
• M2: 460,013 km (0.093 R)
• M3: 1,019,958 km (0.081 R)
• M4: 1,304,942 km (0.049 R)
• M5: 1,841,400 km (0.058 R)
• M6: 2,801,071 km (0.103 R)
• M7: 3,086,503 km (0.119 R)
• M8: 3,531,258 km (0.089 R)
• M9: 4,175,127 km (0.114 R)
• M10: 5,048,479 km (0.054 R)
• M11: 5,980,624 km (0.1 R)
• M12: 6,799,373 km (0.098 R)
• M13: 8,218,608 km (0.088 R)
• M14: 9,584,287 km (0.058 R)
• M15: 10,489,803 km (0.078 R)
• M16: 16,458,010 km (0.079 R)
• M17: 18,551,482 km (0.117 R)
• M18: 19,308,298 km (0.071 R)
• M19: 20,548,614 km (0.053 R)
• M20: 21,222,253 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.5

Radius: 3.6

Gravity: 40.16 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.84 AU - 8.32 AU

Year: 15854 Days

Day: 16.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 44,140,571 km

• M1: 45,029 km (0.092 R)
• M2: 160,818 km (0.043 R)
• M3: 292,763 km (0.051 R)
• M4: 686,205 km (0.104 R)
• M5: 1,030,131 km (0.103 R)
• M6: 2,258,928 km (0.115 R)
• M7: 2,527,606 km (0.039 R)
• M8: 2,748,562 km (0.081 R)
• M9: 3,054,789 km (0.115 R)
• M10: 3,515,849 km (0.093 R)
• M11: 3,876,530 km (0.086 R)
• M12: 4,292,113 km (0.066 R)
• M13: 5,679,334 km (0.086 R)
• M14: 7,340,020 km (0.097 R)
• M15: 8,841,833 km (0.11 R)
• M16: 9,195,632 km (0.081 R)
• M17: 11,460,244 km (0.078 R)
• M18: 11,941,800 km (0.112 R)
• M19: 12,311,606 km (0.078 R)
• M20: 12,880,526 km (0.11 R)
• M21: 15,045,806 km (0.07 R)
• M22: 15,332,435 km (0.113 R)
• M23: 21,134,439 km (0.111 R)
• M24: 21,766,191 km (0.061 R)
• M25: 24,222,887 km (0.11 R)
• M26: 26,544,945 km (0.061 R)
• M27: 28,571,697 km (0.097 R)
• M28: 31,044,401 km (0.102 R)
• M29: 38,639,036 km (0.059 R)
• M30: 43,365,580 km (0.058 R)
• M31: 44,531,097 km (0.074 R)
• M32: 46,017,053 km (0.096 R)
• M33: 47,076,804 km (0.083 R)
• M34: 47,689,557 km (0.114 R)
• M35: 54,448,239 km (0.103 R)
• M36: 56,490,250 km (0.114 R)
• M37: 56,662,737 km (0.07 R)
• M38: 59,291,620 km (0.037 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.4

Radius: 3.6

Gravity: 16 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.79 AU - 8.51 AU

Year: 16060 Days

Day: 21.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 44,140,571 km

• M1: 49,367 km (0.078 R)
• M2: 232,176 km (0.028 R)
• M3: 447,298 km (0.117 R)
• M4: 560,543 km (0.077 R)
• M5: 1,199,925 km (0.052 R)
• M6: 2,333,128 km (0.103 R)
• M7: 2,660,449 km (0.067 R)
• M8: 2,845,800 km (0.119 R)
• M9: 3,288,460 km (0.109 R)
• M10: 3,550,705 km (0.096 R)
• M11: 4,009,672 km (0.116 R)
• M12: 4,593,702 km (0.119 R)
• M13: 4,860,734 km (0.037 R)
• M14: 4,982,656 km (0.091 R)
• M15: 5,169,354 km (0.102 R)
• M16: 6,102,995 km (0.071 R)
• M17: 6,797,129 km (0.104 R)
• M18: 7,261,780 km (0.091 R)
• M19: 8,168,044 km (0.068 R)
• M20: 8,918,127 km (0.12 R)
• M21: 9,239,912 km (0.113 R)
• M22: 11,442,442 km (0.116 R)
• M23: 11,767,518 km (0.076 R)
• M24: 12,607,211 km (0.084 R)
• M25: 12,837,741 km (0.086 R)
• M26: 16,503,487 km (0.108 R)
• M27: 20,570,605 km (0.102 R)
• M28: 22,706,563 km (0.085 R)
• M29: 27,125,086 km (0.045 R)
• M30: 28,288,359 km (0.094 R)
• M31: 28,584,264 km (0.093 R)
• M32: 33,824,827 km (0.108 R)
• M33: 34,158,131 km (0.055 R)
• M34: 37,613,093 km (0.075 R)
• M35: 37,732,173 km (0.11 R)
• M36: 43,090,769 km (0.087 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 18,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit