🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.7

Radius: 12.4

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.45 AU - 0.65 AU

Year: 287 Days

Day: 8.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,022,864 km

• M1: 154,235 km (0.054 R)
• M2: 549,174 km (0.078 R)
• M3: 953,537 km (0.115 R)
• M4: 1,461,272 km (0.112 R)
• M5: 2,520,724 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443

Radius: 10.2

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.59 AU - 0.93 AU

Year: 466 Days

Day: 12.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,022,864 km

• M1: 126,859 km (0.108 R)
• M2: 563,984 km (0.063 R)
• M3: 915,689 km (0.056 R)
• M4: 1,321,847 km (0.12 R)
• M5: 1,646,773 km (0.104 R)
• M6: 2,041,712 km (0.113 R)
• M7: 2,809,149 km (0.039 R)
• M8: 3,133,178 km (0.075 R)
• M9: 3,733,664 km (0.117 R)
• M10: 4,061,732 km (0.112 R)
• M11: 4,952,737 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.4

Radius: 8

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.88 AU - 1.08 AU

Year: 682 Days

Day: 10 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,022,864 km

• M1: 99,483 km (0.067 R)
• M2: 355,445 km (0.117 R)
• M3: 610,808 km (0.114 R)
• M4: 883,824 km (0.093 R)
• M5: 1,137,991 km (0.112 R)
• M6: 1,609,523 km (0.073 R)
• M7: 2,118,007 km (0.066 R)
• M8: 2,368,433 km (0.085 R)
• M9: 2,810,794 km (0.081 R)
• M10: 3,152,326 km (0.103 R)
• M11: 3,494,157 km (0.116 R)
• M12: 3,759,544 km (0.099 R)
• M13: 4,283,735 km (0.118 R)
• M14: 4,539,248 km (0.079 R)
• M15: 5,294,867 km (0.107 R)
• M16: 6,988,315 km (0.07 R)
• M17: 8,065,719 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.5

Radius: 11.8

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.87 AU - 1.27 AU

Year: 778 Days

Day: 7.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,022,864 km

• M1: 146,756 km (0.114 R)
• M2: 666,159 km (0.089 R)
• M3: 1,047,933 km (0.119 R)
• M4: 1,533,677 km (0.088 R)
• M5: 1,951,654 km (0.118 R)
• M6: 2,784,615 km (0.096 R)
• M7: 3,443,593 km (0.087 R)
• M8: 4,027,773 km (0.098 R)
• M9: 5,851,970 km (0.1 R)
• M10: 6,356,264 km (0.091 R)
• M11: 7,573,542 km (0.101 R)
• M12: 7,969,976 km (0.099 R)
• M13: 8,804,732 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.1

Radius: 15

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.5 AU - 1.54 AU

Year: 1317 Days

Day: 6.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,022,864 km

• M1: 186,997 km (0.088 R)
• M2: 729,290 km (0.073 R)
• M3: 1,409,960 km (0.037 R)
• M4: 1,946,119 km (0.111 R)
• M5: 2,719,540 km (0.093 R)
• M6: 3,844,665 km (0.11 R)
• M7: 4,442,608 km (0.084 R)
• M8: 5,245,350 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.3

Radius: 5.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.81 AU - 8.97 AU

Year: 15578 Days

Day: 21 Hours

Environment

Temp: -239 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 39,022,864 km

• M1: 79,885 km (0.051 R)
• M2: 389,702 km (0.1 R)
• M3: 618,587 km (0.094 R)
• M4: 919,279 km (0.111 R)
• M5: 1,233,734 km (0.101 R)
• M6: 1,460,374 km (0.084 R)
• M7: 1,951,803 km (0.118 R)
• M8: 2,603,751 km (0.083 R)
• M9: 3,346,205 km (0.084 R)
• M10: 3,599,026 km (0.09 R)
• M11: 4,354,046 km (0.039 R)
• M12: 5,362,635 km (0.096 R)
• M13: 6,104,790 km (0.088 R)
• M14: 6,696,001 km (0.118 R)
• M15: 7,210,917 km (0.111 R)
• M16: 7,516,695 km (0.112 R)
• M17: 8,360,875 km (0.092 R)
• M18: 9,089,267 km (0.067 R)
• M19: 10,093,518 km (0.12 R)
• M20: 16,570,956 km (0.088 R)
• M21: 18,914,706 km (0.064 R)
• M22: 21,392,196 km (0.119 R)
• M23: 21,627,514 km (0.098 R)
• M24: 21,864,626 km (0.094 R)
• M25: 22,183,569 km (0.063 R)
• M26: 23,241,376 km (0.106 R)
• M27: 26,435,739 km (0.088 R)
• M28: 27,162,934 km (0.119 R)
• M29: 30,700,475 km (0.096 R)
• M30: 31,000,120 km (0.115 R)
• M31: 31,808,696 km (0.101 R)
• M32: 33,467,736 km (0.115 R)
• M33: 33,679,118 km (0.057 R)
• M34: 34,641,182 km (0.095 R)
• M35: 38,210,587 km (0.09 R)
• M36: 38,557,355 km (0.076 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 12,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit