🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

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: 883.2

Radius: 10.9

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.07 AU - 1.11 AU

Year: 735 Days

Day: 13.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,457,566 km

• M1: 135,536 km (0.079 R)
• M2: 522,097 km (0.111 R)
• M3: 1,693,747 km (0.071 R)
• M4: 2,054,128 km (0.101 R)
• M5: 2,554,982 km (0.086 R)
• M6: 3,557,437 km (0.098 R)
• M7: 4,530,721 km (0.071 R)
• M8: 5,328,527 km (0.097 R)
• M9: 6,449,314 km (0.049 R)
• M10: 7,020,179 km (0.112 R)
• M11: 7,458,651 km (0.112 R)
• M12: 8,964,204 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867

Radius: 13.9

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.65 AU - 1.67 AU

Year: 1381 Days

Day: 13.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,457,566 km

• M1: 172,935 km (0.111 R)
• M2: 1,015,919 km (0.093 R)
• M3: 1,513,033 km (0.029 R)
• M4: 2,008,950 km (0.09 R)
• M5: 2,575,178 km (0.048 R)
• M6: 3,172,223 km (0.025 R)
• M7: 3,758,946 km (0.049 R)
• M8: 4,195,771 km (0.039 R)
• M9: 4,745,394 km (0.107 R)
• M10: 5,321,495 km (0.039 R)
• M11: 6,107,034 km (0.119 R)
• M12: 7,715,361 km (0.116 R)
• M13: 8,663,063 km (0.11 R)
• M14: 9,368,567 km (0.116 R)
• M15: 10,549,492 km (0.098 R)
• M16: 11,901,408 km (0.09 R)
• M17: 12,542,435 km (0.112 R)
• M18: 13,688,953 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.3

Radius: 13.4

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.8 AU - 1.98 AU

Year: 1678 Days

Day: 7.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,457,566 km

• M1: 166,802 km (0.115 R)
• M2: 724,502 km (0.112 R)
• M3: 1,243,906 km (0.111 R)
• M4: 1,797,418 km (0.12 R)
• M5: 2,258,778 km (0.053 R)
• M6: 2,877,814 km (0.101 R)
• M7: 3,809,211 km (0.111 R)
• M8: 4,835,302 km (0.109 R)
• M9: 5,563,246 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.5

Radius: 12.1

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.81 AU - 3.61 AU

Year: 3713 Days

Day: 12.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,457,566 km

• M1: 150,495 km (0.032 R)
• M2: 541,395 km (0.099 R)
• M3: 1,026,989 km (0.062 R)
• M4: 1,491,192 km (0.037 R)
• M5: 1,973,346 km (0.064 R)
• M6: 2,371,725 km (0.118 R)
• M7: 3,695,067 km (0.094 R)
• M8: 4,354,046 km (0.111 R)
• M9: 7,097,821 km (0.1 R)
• M10: 7,630,389 km (0.054 R)
• M11: 8,663,512 km (0.08 R)
• M12: 9,079,095 km (0.051 R)
• M13: 10,155,751 km (0.073 R)
• M14: 11,630,486 km (0.062 R)
• M15: 12,419,316 km (0.093 R)
• M16: 13,442,565 km (0.109 R)
• M17: 14,000,566 km (0.104 R)
• M18: 18,784,705 km (0.084 R)
• M19: 22,519,267 km (0.09 R)
• M20: 25,780,650 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.7

Radius: 11.7

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.29 AU - 4.69 AU

Year: 6143 Days

Day: 6.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 30,457,566 km

• M1: 145,559 km (0.054 R)
• M2: 580,440 km (0.118 R)
• M3: 947,703 km (0.046 R)
• M4: 1,548,039 km (0.112 R)
• M5: 1,971,401 km (0.111 R)
• M6: 2,710,115 km (0.098 R)
• M7: 3,312,695 km (0.099 R)
• M8: 5,106,523 km (0.028 R)
• M9: 5,641,784 km (0.093 R)
• M10: 7,230,813 km (0.106 R)
• M11: 8,393,338 km (0.108 R)
• M12: 9,509,338 km (0.099 R)
• M13: 10,146,625 km (0.081 R)
• M14: 10,948,769 km (0.108 R)
• M15: 11,318,575 km (0.109 R)
• M16: 11,696,758 km (0.108 R)
• M17: 13,822,843 km (0.087 R)
• M18: 14,309,934 km (0.069 R)
• M19: 14,977,290 km (0.077 R)
• M20: 15,781,977 km (0.114 R)
• M21: 16,736,561 km (0.107 R)
• M22: 17,166,206 km (0.089 R)
• M23: 18,958,688 km (0.058 R)
• M24: 19,763,973 km (0.09 R)
• M25: 21,514,567 km (0.061 R)
• M26: 26,713,093 km (0.09 R)
• M27: 27,300,265 km (0.087 R)
• M28: 27,896,113 km (0.078 R)
• M29: 29,202,252 km (0.112 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 14,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit