🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.4

Radius: 13.9

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.78 AU - 0.82 AU

Year: 485 Days

Day: 11.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,992,739 km

• M1: 172,935 km (0.103 R)
• M2: 616,942 km (0.07 R)
• M3: 1,072,467 km (0.087 R)
• M4: 1,587,084 km (0.112 R)
• M5: 2,791,795 km (0.063 R)
• M6: 3,312,246 km (0.117 R)
• M7: 4,075,345 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.2

Radius: 12.2

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.4 AU - 1.72 AU

Year: 1322 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,992,739 km

• M1: 151,692 km (0.058 R)
• M2: 532,868 km (0.049 R)
• M3: 918,681 km (0.036 R)
• M4: 1,396,646 km (0.078 R)
• M5: 2,030,941 km (0.053 R)
• M6: 2,449,516 km (0.109 R)
• M7: 2,951,416 km (0.102 R)
• M8: 3,492,811 km (0.117 R)
• M9: 4,036,151 km (0.074 R)
• M10: 4,583,230 km (0.028 R)
• M11: 6,571,535 km (0.102 R)
• M12: 7,048,304 km (0.107 R)
• M13: 8,329,161 km (0.095 R)
• M14: 8,888,357 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.8

Radius: 14

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.65 AU - 1.81 AU

Year: 1543 Days

Day: 8.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,992,739 km

• M1: 177,872 km (0.043 R)
• M2: 689,048 km (0.091 R)
• M3: 1,194,389 km (0.106 R)
• M4: 2,496,639 km (0.113 R)
• M5: 3,500,889 km (0.112 R)
• M6: 4,462,056 km (0.066 R)
• M7: 7,949,032 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.1

Radius: 9.3

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.17 AU - 2.21 AU

Year: 2198 Days

Day: 5.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,992,739 km

• M1: 115,639 km (0.119 R)
• M2: 428,747 km (0.072 R)
• M3: 727,195 km (0.057 R)
• M4: 1,035,965 km (0.078 R)
• M5: 1,652,159 km (0.092 R)
• M6: 2,146,281 km (0.073 R)
• M7: 2,446,972 km (0.051 R)
• M8: 3,431,177 km (0.12 R)
• M9: 4,098,982 km (0.096 R)
• M10: 4,436,774 km (0.088 R)
• M11: 5,027,835 km (0.115 R)
• M12: 5,563,246 km (0.112 R)
• M13: 6,090,728 km (0.088 R)
• M14: 6,437,196 km (0.118 R)
• M15: 9,213,583 km (0.098 R)
• M16: 9,764,103 km (0.084 R)
• M17: 10,079,456 km (0.1 R)
• M18: 10,565,050 km (0.112 R)
• M19: 11,794,595 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.3

Radius: 13.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.84 AU - 2.84 AU

Year: 2428 Days

Day: 11.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,992,739 km

• M1: 170,392 km (0.106 R)
• M2: 612,005 km (0.093 R)
• M3: 1,230,742 km (0.114 R)
• M4: 2,057,569 km (0.101 R)
• M5: 2,727,917 km (0.069 R)
• M6: 3,264,076 km (0.071 R)
• M7: 4,121,870 km (0.059 R)
• M8: 4,832,460 km (0.113 R)
• M9: 5,287,686 km (0.051 R)
• M10: 6,472,202 km (0.117 R)
• M11: 7,257,890 km (0.061 R)
• M12: 9,713,689 km (0.083 R)
• M13: 10,974,649 km (0.099 R)
• M14: 13,551,174 km (0.104 R)
• M15: 17,335,850 km (0.115 R)
• M16: 18,354,761 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.3

Radius: 13.1

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.98 AU - 2.94 AU

Year: 2617 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,992,739 km

• M1: 162,912 km (0.056 R)
• M2: 852,708 km (0.111 R)
• M3: 1,331,421 km (0.088 R)
• M4: 2,311,586 km (0.114 R)
• M5: 2,721,784 km (0.113 R)
• M6: 3,589,152 km (0.089 R)
• M7: 5,428,009 km (0.116 R)
• M8: 7,598,824 km (0.111 R)
• M9: 8,395,881 km (0.099 R)
• M10: 8,830,762 km (0.12 R)
• M11: 9,915,796 km (0.099 R)
• M12: 10,402,138 km (0.109 R)
• M13: 11,919,061 km (0.079 R)
• M14: 12,429,638 km (0.117 R)
• M15: 13,791,278 km (0.097 R)
• M16: 14,753,043 km (0.118 R)
• M17: 15,296,083 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.8

Radius: 8.6

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.36 AU - 4.26 AU

Year: 5044 Days

Day: 13.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,992,739 km

• M1: 106,962 km (0.082 R)
• M2: 431,590 km (0.117 R)
• M3: 761,603 km (0.104 R)
• M4: 1,080,396 km (0.091 R)
• M5: 1,421,180 km (0.094 R)
• M6: 1,729,800 km (0.109 R)
• M7: 2,083,300 km (0.055 R)
• M8: 3,105,951 km (0.063 R)
• M9: 3,739,348 km (0.112 R)
• M10: 5,098,595 km (0.099 R)
• M11: 7,329,697 km (0.087 R)
• M12: 7,930,333 km (0.119 R)
• M13: 8,678,621 km (0.118 R)
• M14: 13,345,776 km (0.113 R)
• M15: 14,952,008 km (0.093 R)
• M16: 19,194,005 km (0.112 R)
• M17: 21,024,634 km (0.044 R)
• M18: 25,903,619 km (0.055 R)
• M19: 26,715,637 km (0.109 R)
• M20: 27,796,481 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 12,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit