🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.2

Radius: 8.8

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.61 AU - 0.91 AU

Year: 435 Days

Day: 5.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,198,911 km

• M1: 109,805 km (0.066 R)
• M2: 406,158 km (0.08 R)
• M3: 774,169 km (0.118 R)
• M4: 1,086,230 km (0.093 R)
• M5: 1,370,466 km (0.11 R)
• M6: 1,653,056 km (0.058 R)
• M7: 2,301,563 km (0.067 R)
• M8: 2,684,683 km (0.116 R)
• M9: 3,053,143 km (0.103 R)
• M10: 3,959,407 km (0.033 R)
• M11: 4,676,878 km (0.053 R)
• M12: 4,971,287 km (0.102 R)
• M13: 5,427,860 km (0.09 R)
• M14: 6,091,924 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.1

Radius: 11.6

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.72 AU - 1.1 AU

Year: 569 Days

Day: 8.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,198,911 km

• M1: 144,212 km (0.111 R)
• M2: 565,929 km (0.056 R)
• M3: 1,050,327 km (0.086 R)
• M4: 1,435,990 km (0.085 R)
• M5: 1,840,652 km (0.105 R)
• M6: 2,394,763 km (0.063 R)
• M7: 2,928,977 km (0.081 R)
• M8: 3,305,066 km (0.088 R)
• M9: 3,789,464 km (0.032 R)
• M10: 4,721,907 km (0.095 R)
• M11: 5,801,256 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.3

Radius: 13

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.79 AU - 1.21 AU

Year: 656 Days

Day: 10.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,198,911 km

• M1: 161,865 km (0.099 R)
• M2: 592,408 km (0.113 R)
• M3: 1,005,447 km (0.115 R)
• M4: 1,661,883 km (0.061 R)
• M5: 2,136,557 km (0.111 R)
• M6: 2,549,297 km (0.078 R)
• M7: 3,039,829 km (0.104 R)
• M8: 3,525,723 km (0.092 R)
• M9: 4,737,615 km (0.082 R)
• M10: 5,215,879 km (0.042 R)
• M11: 5,802,004 km (0.112 R)
• M12: 6,998,338 km (0.108 R)
• M13: 7,461,792 km (0.11 R)
• M14: 8,064,073 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.9

Radius: 9.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.8 AU - 1.28 AU

Year: 696 Days

Day: 14.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,198,911 km

• M1: 120,725 km (0.066 R)
• M2: 526,884 km (0.09 R)
• M3: 1,090,868 km (0.095 R)
• M4: 1,530,087 km (0.078 R)
• M5: 2,232,748 km (0.099 R)
• M6: 2,993,304 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.3

Radius: 13.9

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.23 AU - 2.87 AU

Year: 2671 Days

Day: 8.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,198,911 km

• M1: 172,935 km (0.114 R)
• M2: 620,233 km (0.092 R)
• M3: 1,198,129 km (0.098 R)
• M4: 2,273,738 km (0.09 R)
• M5: 2,862,854 km (0.11 R)
• M6: 3,535,446 km (0.098 R)
• M7: 4,171,387 km (0.064 R)
• M8: 5,747,849 km (0.099 R)
• M9: 6,658,003 km (0.082 R)
• M10: 7,662,104 km (0.057 R)
• M11: 8,601,130 km (0.118 R)
• M12: 10,261,666 km (0.105 R)
• M13: 11,481,637 km (0.101 R)
• M14: 12,375,185 km (0.115 R)
• M15: 15,383,598 km (0.08 R)
• M16: 16,877,033 km (0.102 R)
• M17: 17,712,089 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.4

Radius: 10.7

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.34 AU - 3.3 AU

Year: 3107 Days

Day: 11.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,198,911 km

• M1: 135,835 km (0.117 R)
• M2: 1,270,535 km (0.116 R)
• M3: 1,693,298 km (0.042 R)
• M4: 2,384,440 km (0.067 R)
• M5: 3,299,082 km (0.085 R)
• M6: 4,233,620 km (0.107 R)
• M7: 4,676,579 km (0.043 R)
• M8: 5,315,212 km (0.078 R)
• M9: 6,524,113 km (0.11 R)
• M10: 8,044,925 km (0.095 R)
• M11: 8,381,071 km (0.07 R)
• M12: 9,172,145 km (0.099 R)
• M13: 10,205,866 km (0.068 R)
• M14: 11,073,534 km (0.057 R)
• M15: 11,420,002 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.3

Radius: 4.8

Gravity: 40.2 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.44 AU - 9.7 AU

Year: 17919 Days

Day: 22.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,198,911 km

• M1: 59,690 km (0.08 R)
• M2: 307,872 km (0.109 R)
• M3: 1,597,705 km (0.118 R)
• M4: 1,830,779 km (0.068 R)
• M5: 3,324,513 km (0.107 R)
• M6: 4,484,196 km (0.105 R)
• M7: 6,991,905 km (0.118 R)
• M8: 7,566,660 km (0.064 R)
• M9: 13,202,461 km (0.059 R)
• M10: 13,635,696 km (0.113 R)
• M11: 17,022,293 km (0.071 R)
• M12: 17,970,893 km (0.106 R)
• M13: 24,413,026 km (0.119 R)
• M14: 24,846,561 km (0.059 R)
• M15: 27,207,514 km (0.081 R)
• M16: 28,621,663 km (0.103 R)
• M17: 32,761,634 km (0.09 R)
• M18: 34,225,749 km (0.061 R)
• M19: 35,455,593 km (0.088 R)
• M20: 38,585,330 km (0.051 R)
• M21: 39,618,602 km (0.096 R)
• M22: 41,740,050 km (0.118 R)
• M23: 45,714,716 km (0.087 R)
• M24: 47,205,010 km (0.117 R)
• M25: 47,540,558 km (0.115 R)
• M26: 48,898,757 km (0.101 R)
• M27: 49,760,590 km (0.071 R)
• M28: 50,282,537 km (0.079 R)
• M29: 52,947,174 km (0.106 R)
• M30: 55,891,560 km (0.11 R)
• M31: 60,115,605 km (0.094 R)
• M32: 60,312,476 km (0.119 R)
• M33: 72,261,157 km (0.115 R)
• M34: 75,190,882 km (0.079 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: 374 - 18,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit