🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.9

Radius: 10.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.49 AU - 0.57 AU

Year: 262 Days

Day: 13.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,823,067 km

• M1: 128,056 km (0.087 R)
• M2: 451,038 km (0.072 R)
• M3: 776,563 km (0.079 R)
• M4: 1,177,335 km (0.087 R)
• M5: 1,804,898 km (0.085 R)
• M6: 2,148,076 km (0.077 R)
• M7: 2,601,208 km (0.119 R)
• M8: 3,051,647 km (0.093 R)
• M9: 3,420,705 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.9

Radius: 8.3

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.52 AU - 0.84 AU

Year: 380 Days

Day: 11.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,823,067 km

• M1: 103,223 km (0.1 R)
• M2: 362,326 km (0.117 R)
• M3: 1,056,311 km (0.063 R)
• M4: 1,416,991 km (0.077 R)
• M5: 1,734,288 km (0.096 R)
• M6: 2,155,107 km (0.113 R)
• M7: 2,436,201 km (0.078 R)
• M8: 2,930,473 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.8

Radius: 9.8

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.13 AU - 3.09 AU

Year: 2860 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,823,067 km

• M1: 122,221 km (0.088 R)
• M2: 570,865 km (0.098 R)
• M3: 975,528 km (0.112 R)
• M4: 1,741,618 km (0.081 R)
• M5: 2,333,876 km (0.118 R)
• M6: 3,982,146 km (0.079 R)
• M7: 5,211,541 km (0.113 R)
• M8: 5,681,877 km (0.032 R)
• M9: 6,707,819 km (0.083 R)
• M10: 10,566,397 km (0.107 R)
• M11: 10,897,457 km (0.119 R)
• M12: 11,536,988 km (0.075 R)
• M13: 12,021,685 km (0.046 R)
• M14: 12,844,174 km (0.119 R)
• M15: 13,269,331 km (0.081 R)
• M16: 13,899,886 km (0.069 R)
• M17: 15,911,978 km (0.114 R)
• M18: 16,568,263 km (0.098 R)
• M19: 18,228,949 km (0.116 R)
• M20: 19,375,467 km (0.052 R)
• M21: 20,250,465 km (0.033 R)
• M22: 20,697,763 km (0.088 R)
• M23: 22,553,076 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.7

Radius: 13.4

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.31 AU - 2.99 AU

Year: 2926 Days

Day: 11 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,823,067 km

• M1: 166,652 km (0.098 R)
• M2: 693,985 km (0.105 R)
• M3: 1,301,801 km (0.114 R)
• M4: 2,201,033 km (0.093 R)
• M5: 2,717,445 km (0.111 R)
• M6: 4,018,797 km (0.078 R)
• M7: 5,754,581 km (0.033 R)
• M8: 7,110,088 km (0.098 R)
• M9: 7,946,190 km (0.108 R)
• M10: 10,284,704 km (0.105 R)
• M11: 10,728,710 km (0.057 R)
• M12: 11,185,433 km (0.12 R)
• M13: 11,698,553 km (0.068 R)
• M14: 13,144,118 km (0.115 R)
• M15: 14,254,433 km (0.114 R)
• M16: 14,858,210 km (0.099 R)
• M17: 17,788,683 km (0.064 R)
• M18: 18,905,581 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.9

Radius: 8.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.53 AU - 3.83 AU

Year: 3846 Days

Day: 9.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 78.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,823,067 km

• M1: 107,561 km (0.103 R)
• M2: 478,414 km (0.087 R)
• M3: 880,383 km (0.093 R)
• M4: 1,151,604 km (0.103 R)
• M5: 1,609,523 km (0.059 R)
• M6: 2,059,514 km (0.066 R)
• M7: 3,195,261 km (0.091 R)
• M8: 4,595,198 km (0.087 R)
• M9: 4,989,837 km (0.073 R)
• M10: 5,336,006 km (0.049 R)
• M11: 7,313,092 km (0.079 R)
• M12: 8,225,938 km (0.065 R)
• M13: 9,699,178 km (0.101 R)
• M14: 14,321,303 km (0.106 R)
• M15: 15,117,014 km (0.037 R)
• M16: 16,340,276 km (0.112 R)
• M17: 17,001,948 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.1

Radius: 13.6

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.1 AU - 4.84 AU

Year: 5365 Days

Day: 15 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,823,067 km

• M1: 169,195 km (0.103 R)
• M2: 630,555 km (0.043 R)
• M3: 1,091,017 km (0.096 R)
• M4: 1,522,009 km (0.055 R)
• M5: 4,141,767 km (0.112 R)
• M6: 6,020,716 km (0.09 R)
• M7: 6,553,284 km (0.117 R)
• M8: 7,085,105 km (0.07 R)
• M9: 7,511,010 km (0.116 R)
• M10: 9,082,087 km (0.102 R)
• M11: 9,546,289 km (0.104 R)
• M12: 10,108,029 km (0.088 R)
• M13: 11,297,781 km (0.106 R)
• M14: 13,303,888 km (0.111 R)
• M15: 15,050,892 km (0.114 R)
• M16: 16,091,196 km (0.08 R)
• M17: 16,543,430 km (0.045 R)
• M18: 19,184,281 km (0.084 R)
• M19: 19,950,821 km (0.09 R)
• M20: 24,685,893 km (0.073 R)
• M21: 25,212,328 km (0.07 R)
• M22: 25,823,136 km (0.114 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 11,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit