🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.8

Radius: 13.5

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.01 AU - 1.55 AU

Year: 1000 Days

Day: 6.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,471,855 km

• M1: 168,298 km (0.095 R)
• M2: 640,428 km (0.063 R)
• M3: 1,148,164 km (0.104 R)
• M4: 1,630,018 km (0.109 R)
• M5: 2,580,414 km (0.106 R)
• M6: 3,058,379 km (0.097 R)
• M7: 3,725,137 km (0.102 R)
• M8: 4,775,164 km (0.111 R)
• M9: 5,332,566 km (0.051 R)
• M10: 5,813,523 km (0.112 R)
• M11: 7,598,525 km (0.061 R)
• M12: 8,035,051 km (0.118 R)
• M13: 8,488,333 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.8

Radius: 11.5

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.41 AU - 1.47 AU

Year: 1193 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,471,855 km

• M1: 143,016 km (0.113 R)
• M2: 809,025 km (0.115 R)
• M3: 1,457,981 km (0.111 R)
• M4: 1,870,721 km (0.075 R)
• M5: 3,318,530 km (0.11 R)
• M6: 3,684,596 km (0.073 R)
• M7: 4,929,848 km (0.101 R)
• M8: 6,276,528 km (0.063 R)
• M9: 7,961,299 km (0.045 R)
• M10: 9,439,626 km (0.099 R)
• M11: 9,991,791 km (0.115 R)
• M12: 11,093,580 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.9

Radius: 12.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.52 AU - 1.62 AU

Year: 1358 Days

Day: 12 Hours

Environment

Temp: -197 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,471,855 km

• M1: 153,487 km (0.118 R)
• M2: 537,804 km (0.11 R)
• M3: 932,144 km (0.042 R)
• M4: 1,396,347 km (0.032 R)
• M5: 2,044,554 km (0.072 R)
• M6: 2,741,082 km (0.079 R)
• M7: 3,449,428 km (0.119 R)
• M8: 3,961,352 km (0.045 R)
• M9: 4,957,524 km (0.063 R)
• M10: 5,419,183 km (0.079 R)
• M11: 6,323,053 km (0.092 R)
• M12: 7,999,746 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 13.9

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.31 AU - 5.05 AU

Year: 6988 Days

Day: 11.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,471,855 km

• M1: 173,085 km (0.102 R)
• M2: 843,134 km (0.094 R)
• M3: 2,120,400 km (0.106 R)
• M4: 3,690,729 km (0.117 R)
• M5: 4,190,386 km (0.111 R)
• M6: 4,627,810 km (0.104 R)
• M7: 10,343,047 km (0.1 R)
• M8: 13,371,506 km (0.075 R)
• M9: 15,268,108 km (0.03 R)
• M10: 16,755,859 km (0.027 R)
• M11: 19,096,168 km (0.081 R)
• M12: 25,844,528 km (0.065 R)
• M13: 29,142,563 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.3

Radius: 6.7

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.12 AU - 9.48 AU

Year: 19577 Days

Day: 21.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,471,855 km

• M1: 83,476 km (0.115 R)
• M2: 326,722 km (0.064 R)
• M3: 1,373,159 km (0.105 R)
• M4: 2,011,343 km (0.037 R)
• M5: 2,249,653 km (0.087 R)
• M6: 3,290,106 km (0.109 R)
• M7: 4,194,575 km (0.102 R)
• M8: 4,756,016 km (0.115 R)
• M9: 9,941,526 km (0.12 R)
• M10: 11,179,748 km (0.087 R)
• M11: 12,918,674 km (0.112 R)
• M12: 13,606,226 km (0.079 R)
• M13: 15,970,171 km (0.106 R)
• M14: 18,854,717 km (0.1 R)
• M15: 20,928,742 km (0.043 R)
• M16: 21,493,773 km (0.104 R)
• M17: 22,458,081 km (0.075 R)
• M18: 22,752,939 km (0.092 R)
• M19: 23,551,791 km (0.085 R)
• M20: 30,268,436 km (0.099 R)
• M21: 38,578,000 km (0.06 R)
• M22: 49,605,308 km (0.045 R)
• M23: 49,938,312 km (0.117 R)
• M24: 52,311,982 km (0.082 R)
• M25: 54,052,852 km (0.119 R)
• M26: 68,563,247 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.5

Radius: 5.2

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.96 AU - 10.6 AU

Year: 22751 Days

Day: 18.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,471,855 km

• M1: 75,397 km (0.075 R)
• M2: 316,100 km (0.064 R)
• M3: 689,646 km (0.036 R)
• M4: 1,114,803 km (0.1 R)
• M5: 2,312,633 km (0.082 R)
• M6: 2,587,594 km (0.117 R)
• M7: 3,226,676 km (0.11 R)
• M8: 4,047,969 km (0.025 R)
• M9: 4,302,136 km (0.101 R)
• M10: 4,905,165 km (0.064 R)
• M11: 6,931,917 km (0.103 R)
• M12: 9,956,037 km (0.09 R)
• M13: 11,059,920 km (0.098 R)
• M14: 11,224,029 km (0.081 R)
• M15: 12,127,002 km (0.09 R)
• M16: 12,596,141 km (0.079 R)
• M17: 17,377,139 km (0.12 R)
• M18: 17,747,992 km (0.112 R)
• M19: 21,667,756 km (0.076 R)
• M20: 30,621,487 km (0.111 R)
• M21: 32,041,770 km (0.089 R)
• M22: 33,277,298 km (0.116 R)
• M23: 34,427,706 km (0.053 R)
• M24: 38,287,032 km (0.101 R)
• M25: 41,232,614 km (0.098 R)
• M26: 45,157,314 km (0.057 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: 443 - 16,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit