🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.5

Radius: 8.8

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.67 AU - 0.87 AU

Year: 475 Days

Day: 14.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,885,823 km

• M1: 112,198 km (0.072 R)
• M2: 417,976 km (0.049 R)
• M3: 698,024 km (0.103 R)
• M4: 1,158,935 km (0.075 R)
• M5: 1,688,212 km (0.06 R)
• M6: 2,370,977 km (0.075 R)
• M7: 2,776,088 km (0.107 R)
• M8: 3,318,081 km (0.1 R)
• M9: 3,864,562 km (0.1 R)
• M10: 4,441,710 km (0.107 R)
• M11: 4,832,610 km (0.026 R)
• M12: 5,535,420 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.9

Radius: 9.5

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.3 AU - 1.3 AU

Year: 1042 Days

Day: 13.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,885,823 km

• M1: 118,182 km (0.073 R)
• M2: 435,928 km (0.099 R)
• M3: 1,005,298 km (0.093 R)
• M4: 1,422,676 km (0.031 R)
• M5: 2,041,263 km (0.07 R)
• M6: 2,543,164 km (0.036 R)
• M7: 3,112,085 km (0.092 R)
• M8: 4,368,407 km (0.111 R)
• M9: 4,818,547 km (0.075 R)
• M10: 5,852,568 km (0.074 R)
• M11: 7,191,319 km (0.1 R)
• M12: 8,147,998 km (0.111 R)
• M13: 8,485,042 km (0.079 R)
• M14: 9,131,753 km (0.05 R)
• M15: 9,638,142 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.8

Radius: 11.3

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.27 AU - 1.95 AU

Year: 1436 Days

Day: 13.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,885,823 km

• M1: 140,472 km (0.05 R)
• M2: 502,200 km (0.039 R)
• M3: 925,113 km (0.059 R)
• M4: 1,446,761 km (0.118 R)
• M5: 2,364,993 km (0.049 R)
• M6: 3,825,068 km (0.045 R)
• M7: 4,748,685 km (0.12 R)
• M8: 5,101,886 km (0.05 R)
• M9: 5,676,342 km (0.078 R)
• M10: 6,123,041 km (0.109 R)
• M11: 6,618,659 km (0.075 R)
• M12: 7,194,610 km (0.032 R)
• M13: 8,356,986 km (0.054 R)
• M14: 9,972,792 km (0.09 R)
• M15: 10,801,265 km (0.116 R)
• M16: 11,232,407 km (0.117 R)
• M17: 11,938,658 km (0.114 R)
• M18: 12,872,747 km (0.117 R)
• M19: 13,812,970 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.2

Radius: 12.9

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.79 AU - 4.65 AU

Year: 5043 Days

Day: 12.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,885,823 km

• M1: 160,519 km (0.107 R)
• M2: 657,183 km (0.056 R)
• M3: 1,091,616 km (0.081 R)
• M4: 1,674,449 km (0.096 R)
• M5: 2,128,628 km (0.085 R)
• M6: 3,054,041 km (0.119 R)
• M7: 4,183,056 km (0.089 R)
• M8: 5,088,272 km (0.108 R)
• M9: 5,903,132 km (0.119 R)
• M10: 6,310,188 km (0.115 R)
• M11: 7,393,276 km (0.065 R)
• M12: 9,079,843 km (0.108 R)
• M13: 9,709,799 km (0.111 R)
• M14: 11,874,032 km (0.048 R)
• M15: 12,679,317 km (0.099 R)
• M16: 13,790,979 km (0.087 R)
• M17: 16,698,862 km (0.078 R)
• M18: 17,709,845 km (0.106 R)
• M19: 18,362,091 km (0.041 R)
• M20: 20,063,169 km (0.085 R)
• M21: 22,240,566 km (0.096 R)
• M22: 28,810,156 km (0.116 R)
• M23: 29,530,919 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 13.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.22 AU - 5.1 AU

Year: 5964 Days

Day: 7.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,885,823 km

• M1: 169,345 km (0.115 R)
• M2: 643,121 km (0.114 R)
• M3: 1,452,745 km (0.114 R)
• M4: 1,874,910 km (0.101 R)
• M5: 2,482,277 km (0.036 R)
• M6: 3,265,572 km (0.065 R)
• M7: 4,078,786 km (0.103 R)
• M8: 5,964,916 km (0.094 R)
• M9: 7,181,595 km (0.054 R)
• M10: 7,964,441 km (0.115 R)
• M11: 9,276,564 km (0.085 R)
• M12: 14,121,141 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.4

Radius: 6.1

Gravity: 23.74 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.69 AU - 10.99 AU

Year: 23372 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 143 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 91,885,823 km

• M1: 79,736 km (0.113 R)
• M2: 322,383 km (0.065 R)
• M3: 1,237,174 km (0.114 R)
• M4: 1,476,232 km (0.086 R)
• M5: 3,748,474 km (0.111 R)
• M6: 4,148,648 km (0.075 R)
• M7: 4,878,835 km (0.102 R)
• M8: 5,315,212 km (0.117 R)
• M9: 6,975,450 km (0.092 R)
• M10: 7,173,517 km (0.116 R)
• M11: 7,581,022 km (0.061 R)
• M12: 8,724,099 km (0.103 R)
• M13: 10,229,353 km (0.086 R)
• M14: 13,361,035 km (0.098 R)
• M15: 14,213,742 km (0.034 R)
• M16: 16,989,082 km (0.115 R)
• M17: 21,017,603 km (0.098 R)
• M18: 23,694,807 km (0.113 R)
• M19: 26,351,067 km (0.119 R)
• M20: 26,591,022 km (0.057 R)
• M21: 27,812,787 km (0.106 R)
• M22: 30,763,905 km (0.078 R)
• M23: 40,537,582 km (0.071 R)
• M24: 49,959,705 km (0.098 R)
• M25: 53,718,351 km (0.062 R)
• M26: 64,799,066 km (0.063 R)
• M27: 66,116,873 km (0.103 R)
• M28: 69,947,626 km (0.058 R)
• M29: 71,567,173 km (0.116 R)
• M30: 87,016,743 km (0.117 R)
• M31: 91,610,594 km (0.074 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 15,624 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit