🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.5

Radius: 11.4

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.15 AU - 1.19 AU

Year: 805 Days

Day: 7.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,122,335 km

• M1: 141,819 km (0.063 R)
• M2: 531,671 km (0.075 R)
• M3: 985,401 km (0.105 R)
• M4: 1,617,153 km (0.091 R)
• M5: 2,118,306 km (0.11 R)
• M6: 2,493,946 km (0.095 R)
• M7: 3,409,335 km (0.095 R)
• M8: 4,370,651 km (0.106 R)
• M9: 4,757,362 km (0.096 R)
• M10: 5,166,961 km (0.098 R)
• M11: 6,647,980 km (0.035 R)
• M12: 7,677,213 km (0.094 R)
• M13: 8,267,975 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823

Radius: 9

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.35 AU - 2.17 AU

Year: 1485 Days

Day: 9.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 61.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,122,335 km

• M1: 112,198 km (0.096 R)
• M2: 446,998 km (0.084 R)
• M3: 730,187 km (0.04 R)
• M4: 1,125,126 km (0.112 R)
• M5: 1,482,664 km (0.119 R)
• M6: 2,331,632 km (0.074 R)
• M7: 2,764,718 km (0.103 R)
• M8: 3,052,844 km (0.119 R)
• M9: 3,656,322 km (0.051 R)
• M10: 4,569,018 km (0.112 R)
• M11: 5,036,661 km (0.087 R)
• M12: 5,469,149 km (0.118 R)
• M13: 6,116,010 km (0.094 R)
• M14: 6,482,973 km (0.084 R)
• M15: 8,216,962 km (0.075 R)
• M16: 8,971,684 km (0.116 R)
• M17: 9,382,030 km (0.095 R)
• M18: 10,376,707 km (0.083 R)
• M19: 11,221,935 km (0.076 R)
• M20: 11,550,452 km (0.063 R)
• M21: 12,150,489 km (0.12 R)
• M22: 12,613,943 km (0.11 R)
• M23: 13,209,791 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.8

Radius: 13.4

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.78 AU - 2.04 AU

Year: 1678 Days

Day: 13.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,122,335 km

• M1: 166,652 km (0.116 R)
• M2: 613,650 km (0.101 R)
• M3: 1,291,478 km (0.066 R)
• M4: 1,921,585 km (0.092 R)
• M5: 2,751,703 km (0.112 R)
• M6: 3,877,128 km (0.084 R)
• M7: 4,564,381 km (0.043 R)
• M8: 5,310,575 km (0.091 R)
• M9: 5,905,226 km (0.089 R)
• M10: 6,398,151 km (0.082 R)
• M11: 6,842,457 km (0.092 R)
• M12: 7,876,777 km (0.06 R)
• M13: 8,387,953 km (0.112 R)
• M14: 8,982,155 km (0.06 R)
• M15: 9,764,103 km (0.038 R)
• M16: 10,321,505 km (0.038 R)
• M17: 12,805,129 km (0.041 R)
• M18: 13,314,210 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.5

Radius: 11.1

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.85 AU - 2.15 AU

Year: 1798 Days

Day: 10.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,122,335 km

• M1: 138,079 km (0.097 R)
• M2: 601,533 km (0.1 R)
• M3: 1,293,722 km (0.102 R)
• M4: 1,875,359 km (0.084 R)
• M5: 2,437,398 km (0.077 R)
• M6: 3,171,624 km (0.12 R)
• M7: 4,512,321 km (0.099 R)
• M8: 4,905,464 km (0.113 R)
• M9: 6,050,635 km (0.034 R)
• M10: 6,845,449 km (0.092 R)
• M11: 8,031,610 km (0.094 R)
• M12: 8,580,036 km (0.035 R)
• M13: 8,927,253 km (0.072 R)
• M14: 9,316,955 km (0.079 R)
• M15: 9,717,878 km (0.095 R)
• M16: 11,937,461 km (0.089 R)
• M17: 13,907,216 km (0.097 R)
• M18: 14,924,033 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.7

Radius: 11.4

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.99 AU - 3.17 AU

Year: 2635 Days

Day: 5.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,122,335 km

• M1: 152,889 km (0.119 R)
• M2: 638,633 km (0.1 R)
• M3: 1,026,840 km (0.093 R)
• M4: 1,474,885 km (0.104 R)
• M5: 2,320,113 km (0.089 R)
• M6: 2,844,903 km (0.087 R)
• M7: 3,764,032 km (0.059 R)
• M8: 4,275,058 km (0.088 R)
• M9: 5,068,226 km (0.119 R)
• M10: 6,653,066 km (0.058 R)
• M11: 7,222,884 km (0.102 R)
• M12: 7,638,318 km (0.108 R)
• M13: 9,992,091 km (0.107 R)
• M14: 11,009,207 km (0.113 R)
• M15: 11,630,786 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.3

Radius: 14.6

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.63 AU - 3.17 AU

Year: 3140 Days

Day: 14.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,122,335 km

• M1: 372,050 km (0.108 R)
• M2: 1,176,886 km (0.082 R)
• M3: 1,879,099 km (0.101 R)
• M4: 2,415,258 km (0.05 R)
• M5: 3,420,855 km (0.119 R)
• M6: 6,811,191 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.8

Radius: 9

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.35 AU - 5.49 AU

Year: 8023 Days

Day: 12.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,122,335 km

• M1: 118,631 km (0.111 R)
• M2: 570,417 km (0.035 R)
• M3: 1,091,466 km (0.066 R)
• M4: 2,381,598 km (0.062 R)
• M5: 2,862,854 km (0.088 R)
• M6: 3,975,863 km (0.099 R)
• M7: 8,272,014 km (0.042 R)
• M8: 11,415,963 km (0.101 R)
• M9: 12,539,443 km (0.099 R)
• M10: 23,196,945 km (0.066 R)
• M11: 25,069,761 km (0.103 R)
• M12: 26,639,042 km (0.07 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 16,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit