🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.6

Radius: 12.3

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.52 AU - 0.86 AU

Year: 370 Days

Day: 8.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,578,121 km

• M1: 153,039 km (0.112 R)
• M2: 685,308 km (0.045 R)
• M3: 1,094,907 km (0.052 R)
• M4: 1,519,914 km (0.1 R)
• M5: 1,930,411 km (0.079 R)
• M6: 2,452,208 km (0.113 R)
• M7: 2,848,194 km (0.091 R)
• M8: 3,612,489 km (0.106 R)
• M9: 4,248,580 km (0.11 R)
• M10: 4,913,542 km (0.064 R)
• M11: 5,326,133 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.8

Radius: 15

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.71 AU - 0.97 AU

Year: 497 Days

Day: 7.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,578,121 km

• M1: 186,698 km (0.106 R)
• M2: 753,824 km (0.118 R)
• M3: 1,357,601 km (0.085 R)
• M4: 2,508,607 km (0.112 R)
• M5: 3,175,514 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.5

Radius: 13.3

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.83 AU - 1.21 AU

Year: 665 Days

Day: 5.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,578,121 km

• M1: 165,455 km (0.079 R)
• M2: 656,136 km (0.104 R)
• M3: 1,103,284 km (0.043 R)
• M4: 1,696,440 km (0.072 R)
• M5: 2,160,044 km (0.105 R)
• M6: 2,896,215 km (0.103 R)
• M7: 3,310,900 km (0.038 R)
• M8: 4,091,801 km (0.11 R)
• M9: 5,169,354 km (0.11 R)
• M10: 6,222,075 km (0.101 R)
• M11: 6,875,668 km (0.105 R)
• M12: 7,574,739 km (0.115 R)
• M13: 8,221,899 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.5

Radius: 11.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.69 AU - 1.87 AU

Year: 1533 Days

Day: 8.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,578,121 km

• M1: 153,188 km (0.1 R)
• M2: 546,032 km (0.117 R)
• M3: 933,192 km (0.112 R)
• M4: 2,243,070 km (0.099 R)
• M5: 2,916,710 km (0.113 R)
• M6: 3,979,004 km (0.054 R)
• M7: 4,550,917 km (0.065 R)
• M8: 5,655,847 km (0.117 R)
• M9: 7,432,920 km (0.112 R)
• M10: 7,817,686 km (0.094 R)
• M11: 9,365,275 km (0.073 R)
• M12: 9,749,742 km (0.074 R)
• M13: 11,322,315 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.2

Radius: 14.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.68 AU - 3.2 AU

Year: 3255 Days

Day: 7.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,578,121 km

• M1: 188,793 km (0.067 R)
• M2: 740,809 km (0.092 R)
• M3: 3,691,776 km (0.117 R)
• M4: 5,287,537 km (0.11 R)
• M5: 7,482,138 km (0.086 R)
• M6: 9,525,196 km (0.111 R)
• M7: 10,073,921 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.2

Radius: 9.5

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.35 AU - 4.23 AU

Year: 4764 Days

Day: 7.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,578,121 km

• M1: 128,654 km (0.076 R)
• M2: 472,131 km (0.117 R)
• M3: 798,404 km (0.113 R)
• M4: 1,291,628 km (0.118 R)
• M5: 1,709,305 km (0.084 R)
• M6: 2,125,038 km (0.088 R)
• M7: 2,488,561 km (0.11 R)
• M8: 3,006,468 km (0.097 R)
• M9: 4,605,969 km (0.09 R)
• M10: 5,474,085 km (0.07 R)
• M11: 7,390,434 km (0.113 R)
• M12: 7,895,177 km (0.095 R)
• M13: 8,695,077 km (0.111 R)
• M14: 9,216,874 km (0.051 R)
• M15: 9,632,158 km (0.117 R)
• M16: 11,325,905 km (0.108 R)
• M17: 13,631,208 km (0.044 R)
• M18: 14,950,512 km (0.099 R)
• M19: 16,473,568 km (0.06 R)
• M20: 17,650,305 km (0.112 R)
• M21: 18,618,053 km (0.076 R)
• M22: 21,516,063 km (0.052 R)
• M23: 23,838,869 km (0.065 R)
• M24: 24,701,900 km (0.116 R)
• M25: 25,181,361 km (0.08 R)
• M26: 26,076,405 km (0.109 R)
• M27: 28,625,104 km (0.076 R)
• M28: 29,154,082 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.6

Radius: 9

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.69 AU - 4.77 AU

Year: 5617 Days

Day: 14.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,578,121 km

• M1: 111,899 km (0.049 R)
• M2: 517,459 km (0.091 R)
• M3: 1,167,462 km (0.086 R)
• M4: 1,617,901 km (0.093 R)
• M5: 1,961,228 km (0.107 R)
• M6: 2,814,834 km (0.113 R)
• M7: 3,523,479 km (0.045 R)
• M8: 4,445,301 km (0.105 R)
• M9: 5,665,421 km (0.119 R)
• M10: 8,173,579 km (0.118 R)
• M11: 8,831,062 km (0.082 R)
• M12: 9,523,400 km (0.075 R)
• M13: 10,472,449 km (0.061 R)
• M14: 12,407,647 km (0.048 R)
• M15: 13,067,972 km (0.078 R)
• M16: 14,238,576 km (0.094 R)
• M17: 17,912,699 km (0.076 R)
• M18: 22,100,393 km (0.111 R)
• M19: 23,681,193 km (0.073 R)
• M20: 24,538,688 km (0.054 R)
• M21: 25,095,043 km (0.106 R)
• M22: 26,898,296 km (0.081 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: 480 - 12,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit