🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.4

Radius: 10.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.76 AU - 1.06 AU

Year: 589 Days

Day: 12.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,352,723 km

• M1: 130,599 km (0.111 R)
• M2: 508,633 km (0.104 R)
• M3: 840,740 km (0.081 R)
• M4: 1,342,342 km (0.108 R)
• M5: 1,899,743 km (0.044 R)
• M6: 2,458,940 km (0.031 R)
• M7: 2,833,982 km (0.071 R)
• M8: 3,236,849 km (0.089 R)
• M9: 3,644,354 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.2

Radius: 14.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.85 AU - 1.31 AU

Year: 761 Days

Day: 15 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,352,723 km

• M1: 184,454 km (0.11 R)
• M2: 651,349 km (0.098 R)
• M3: 1,383,930 km (0.108 R)
• M4: 1,850,077 km (0.111 R)
• M5: 2,487,065 km (0.072 R)
• M6: 3,178,656 km (0.093 R)
• M7: 3,877,726 km (0.057 R)
• M8: 4,367,659 km (0.087 R)
• M9: 4,847,420 km (0.104 R)
• M10: 5,362,485 km (0.096 R)
• M11: 5,973,293 km (0.111 R)
• M12: 6,651,720 km (0.027 R)
• M13: 7,335,532 km (0.025 R)
• M14: 8,261,991 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.7

Radius: 14.5

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.3 AU - 2.04 AU

Year: 1464 Days

Day: 8 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,352,723 km

• M1: 180,265 km (0.105 R)
• M2: 810,820 km (0.086 R)
• M3: 1,495,829 km (0.099 R)
• M4: 2,071,482 km (0.106 R)
• M5: 2,596,271 km (0.102 R)
• M6: 3,087,251 km (0.054 R)
• M7: 5,259,562 km (0.032 R)
• M8: 6,330,084 km (0.054 R)
• M9: 7,013,597 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668

Radius: 5.8

Gravity: 19.86 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.56 AU - 7.02 AU

Year: 10700 Days

Day: 23.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,352,723 km

• M1: 76,145 km (0.058 R)
• M2: 295,157 km (0.11 R)
• M3: 684,111 km (0.118 R)
• M4: 1,060,350 km (0.092 R)
• M5: 1,412,802 km (0.115 R)
• M6: 2,023,610 km (0.098 R)
• M7: 2,408,077 km (0.047 R)
• M8: 3,856,932 km (0.118 R)
• M9: 4,873,749 km (0.071 R)
• M10: 6,316,022 km (0.082 R)
• M11: 6,736,392 km (0.095 R)
• M12: 7,847,306 km (0.077 R)
• M13: 8,065,719 km (0.105 R)
• M14: 8,288,171 km (0.079 R)
• M15: 10,166,372 km (0.058 R)
• M16: 20,192,571 km (0.059 R)
• M17: 29,501,448 km (0.115 R)
• M18: 39,881,895 km (0.116 R)
• M19: 41,312,948 km (0.085 R)
• M20: 43,591,174 km (0.1 R)
• M21: 48,542,714 km (0.092 R)
• M22: 49,131,381 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.1

Radius: 5.3

Gravity: 24.6 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.33 AU - 10.15 AU

Year: 17525 Days

Day: 21.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,352,723 km

• M1: 65,973 km (0.112 R)
• M2: 1,209,948 km (0.052 R)
• M3: 2,907,883 km (0.071 R)
• M4: 3,545,170 km (0.104 R)
• M5: 4,401,319 km (0.085 R)
• M6: 6,343,249 km (0.104 R)
• M7: 7,500,987 km (0.095 R)
• M8: 15,602,759 km (0.074 R)
• M9: 20,320,328 km (0.085 R)
• M10: 21,346,868 km (0.025 R)
• M11: 22,017,815 km (0.074 R)
• M12: 22,505,653 km (0.111 R)
• M13: 24,321,472 km (0.039 R)
• M14: 34,749,341 km (0.089 R)
• M15: 38,841,741 km (0.054 R)
• M16: 41,890,246 km (0.098 R)
• M17: 47,642,583 km (0.087 R)
• M18: 51,471,391 km (0.076 R)
• M19: 55,320,844 km (0.074 R)
• M20: 55,860,294 km (0.11 R)
• M21: 56,949,516 km (0.071 R)
• M22: 62,026,568 km (0.112 R)
• M23: 66,989,179 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.9

Radius: 4.7

Gravity: 40.19 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.6 AU - 11.42 AU

Year: 23110 Days

Day: 19.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 91,352,723 km

• M1: 59,241 km (0.055 R)
• M2: 278,102 km (0.042 R)
• M3: 522,994 km (0.114 R)
• M4: 1,112,260 km (0.1 R)
• M5: 1,434,195 km (0.096 R)
• M6: 2,402,243 km (0.116 R)
• M7: 2,994,201 km (0.119 R)
• M8: 4,461,457 km (0.049 R)
• M9: 4,872,851 km (0.084 R)
• M10: 5,309,079 km (0.114 R)
• M11: 8,657,977 km (0.046 R)
• M12: 9,476,576 km (0.069 R)
• M13: 11,470,267 km (0.064 R)
• M14: 12,311,755 km (0.08 R)
• M15: 13,344,579 km (0.118 R)
• M16: 15,413,817 km (0.027 R)
• M17: 17,323,882 km (0.08 R)
• M18: 25,713,181 km (0.109 R)
• M19: 28,891,089 km (0.072 R)
• M20: 29,273,910 km (0.047 R)
• M21: 29,530,919 km (0.1 R)
• M22: 44,220,831 km (0.059 R)
• M23: 44,559,222 km (0.08 R)
• M24: 52,637,656 km (0.101 R)
• M25: 54,945,652 km (0.057 R)
• M26: 61,009,004 km (0.085 R)
• M27: 63,985,104 km (0.119 R)
• M28: 64,635,256 km (0.062 R)
• M29: 66,390,338 km (0.116 R)
• M30: 81,335,614 km (0.078 R)
• M31: 81,589,332 km (0.12 R)
• M32: 83,380,318 km (0.032 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: 250 - 15,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit