🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.3

Radius: 8.1

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.78 AU - 2.3 AU

Year: 1976 Days

Day: 10.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,686,776 km

• M1: 100,829 km (0.101 R)
• M2: 362,176 km (0.053 R)
• M3: 690,245 km (0.116 R)
• M4: 982,858 km (0.095 R)
• M5: 1,773,333 km (0.12 R)
• M6: 2,243,519 km (0.106 R)
• M7: 3,061,670 km (0.063 R)
• M8: 3,777,197 km (0.088 R)
• M9: 4,285,829 km (0.066 R)
• M10: 4,664,162 km (0.053 R)
• M11: 6,649,775 km (0.066 R)
• M12: 9,840,698 km (0.074 R)
• M13: 11,425,537 km (0.091 R)
• M14: 13,260,804 km (0.107 R)
• M15: 15,870,389 km (0.113 R)
• M16: 16,521,738 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.7

Radius: 8.8

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.05 AU - 4.19 AU

Year: 5672 Days

Day: 7.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,686,776 km

• M1: 109,506 km (0.068 R)
• M2: 492,027 km (0.088 R)
• M3: 827,575 km (0.114 R)
• M4: 1,117,945 km (0.108 R)
• M5: 1,541,307 km (0.111 R)
• M6: 1,876,855 km (0.12 R)
• M7: 2,449,815 km (0.096 R)
• M8: 2,927,182 km (0.117 R)
• M9: 3,408,737 km (0.085 R)
• M10: 4,306,025 km (0.111 R)
• M11: 4,905,763 km (0.113 R)
• M12: 5,507,894 km (0.105 R)
• M13: 5,936,044 km (0.118 R)
• M14: 6,531,443 km (0.12 R)
• M15: 7,072,987 km (0.075 R)
• M16: 7,386,694 km (0.056 R)
• M17: 8,383,764 km (0.12 R)
• M18: 8,664,260 km (0.097 R)
• M19: 10,440,735 km (0.087 R)
• M20: 13,280,252 km (0.073 R)
• M21: 15,159,051 km (0.108 R)
• M22: 15,628,789 km (0.085 R)
• M23: 16,597,435 km (0.057 R)
• M24: 20,115,528 km (0.075 R)
• M25: 20,682,953 km (0.117 R)
• M26: 21,455,925 km (0.11 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.2

Radius: 6.8

Gravity: 17 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.63 AU - 6.99 AU

Year: 12053 Days

Day: 15.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,686,776 km

• M1: 84,672 km (0.092 R)
• M2: 394,041 km (0.079 R)
• M3: 633,098 km (0.05 R)
• M4: 879,037 km (0.053 R)
• M5: 1,426,266 km (0.099 R)
• M6: 1,759,121 km (0.116 R)
• M7: 2,032,885 km (0.104 R)
• M8: 2,435,453 km (0.102 R)
• M9: 2,982,832 km (0.096 R)
• M10: 3,635,827 km (0.1 R)
• M11: 4,111,847 km (0.062 R)
• M12: 5,153,647 km (0.079 R)
• M13: 8,824,330 km (0.078 R)
• M14: 9,630,662 km (0.054 R)
• M15: 9,892,458 km (0.063 R)
• M16: 11,101,060 km (0.09 R)
• M17: 11,389,035 km (0.069 R)
• M18: 12,221,548 km (0.093 R)
• M19: 12,528,522 km (0.036 R)
• M20: 12,777,902 km (0.046 R)
• M21: 13,940,876 km (0.056 R)
• M22: 14,685,425 km (0.102 R)
• M23: 15,172,964 km (0.096 R)
• M24: 15,960,597 km (0.103 R)
• M25: 20,056,587 km (0.067 R)
• M26: 30,135,294 km (0.109 R)
• M27: 36,058,472 km (0.101 R)
• M28: 38,893,950 km (0.084 R)
• M29: 43,278,365 km (0.117 R)
• M30: 47,375,551 km (0.087 R)
• M31: 49,207,826 km (0.076 R)
• M32: 49,517,793 km (0.117 R)
• M33: 51,086,925 km (0.091 R)
• M34: 53,176,059 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337

Radius: 6.2

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.48 AU - 8.98 AU

Year: 14577 Days

Day: 19 Hours

Environment

Temp: -236 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,686,776 km

• M1: 78,090 km (0.111 R)
• M2: 283,638 km (0.087 R)
• M3: 1,428,211 km (0.106 R)
• M4: 2,438,894 km (0.083 R)
• M5: 2,700,391 km (0.11 R)
• M6: 4,652,195 km (0.088 R)
• M7: 6,184,825 km (0.099 R)
• M8: 10,154,105 km (0.081 R)
• M9: 14,684,976 km (0.079 R)
• M10: 17,387,312 km (0.055 R)
• M11: 21,146,557 km (0.051 R)
• M12: 22,337,206 km (0.102 R)
• M13: 22,685,470 km (0.099 R)
• M14: 31,840,261 km (0.109 R)
• M15: 43,048,433 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.9

Radius: 6.1

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.69 AU - 11.01 AU

Year: 19391 Days

Day: 18.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,686,776 km

• M1: 83,924 km (0.091 R)
• M2: 447,447 km (0.065 R)
• M3: 756,367 km (0.077 R)
• M4: 1,075,758 km (0.066 R)
• M5: 2,306,201 km (0.093 R)
• M6: 3,755,056 km (0.112 R)
• M7: 4,216,715 km (0.039 R)
• M8: 4,446,797 km (0.088 R)
• M9: 6,262,316 km (0.084 R)
• M10: 6,677,002 km (0.093 R)
• M11: 7,109,938 km (0.079 R)
• M12: 7,477,949 km (0.056 R)
• M13: 9,030,924 km (0.096 R)
• M14: 11,773,652 km (0.093 R)
• M15: 14,435,895 km (0.058 R)
• M16: 14,893,515 km (0.054 R)
• M17: 16,254,257 km (0.067 R)
• M18: 19,774,146 km (0.112 R)
• M19: 29,301,286 km (0.035 R)
• M20: 31,319,810 km (0.118 R)
• M21: 41,753,663 km (0.049 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 19,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit