🌌 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: 832.9

Radius: 13

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.51 AU - 0.59 AU

Year: 272 Days

Day: 7.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,172,044 km

• M1: 161,715 km (0.083 R)
• M2: 604,824 km (0.041 R)
• M3: 1,654,253 km (0.083 R)
• M4: 2,371,725 km (0.067 R)
• M5: 3,092,038 km (0.109 R)
• M6: 3,537,840 km (0.034 R)
• M7: 4,051,110 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.9

Radius: 14.7

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.61 AU - 0.65 AU

Year: 333 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 28,172,044 km

• M1: 182,958 km (0.074 R)
• M2: 660,475 km (0.092 R)
• M3: 1,169,257 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.4

Radius: 14.4

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.83 AU - 0.93 AU

Year: 550 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,172,044 km

• M1: 179,069 km (0.115 R)
• M2: 1,109,418 km (0.1 R)
• M3: 1,817,764 km (0.102 R)
• M4: 2,727,618 km (0.097 R)
• M5: 3,306,412 km (0.098 R)
• M6: 3,981,248 km (0.085 R)
• M7: 4,586,222 km (0.072 R)
• M8: 5,322,094 km (0.091 R)
• M9: 6,039,116 km (0.098 R)
• M10: 7,803,623 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.6

Radius: 10.2

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.02 AU - 1.16 AU

Year: 759 Days

Day: 6.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,172,044 km

• M1: 127,009 km (0.112 R)
• M2: 514,317 km (0.056 R)
• M3: 941,419 km (0.115 R)
• M4: 1,438,234 km (0.119 R)
• M5: 1,833,322 km (0.048 R)
• M6: 2,858,067 km (0.053 R)
• M7: 3,175,813 km (0.107 R)
• M8: 3,544,422 km (0.106 R)
• M9: 4,274,610 km (0.096 R)
• M10: 4,725,498 km (0.089 R)
• M11: 7,116,371 km (0.071 R)
• M12: 7,704,889 km (0.088 R)
• M13: 8,106,858 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.3

Radius: 14.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.94 AU - 4.3 AU

Year: 4593 Days

Day: 12.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,172,044 km

• M1: 186,698 km (0.114 R)
• M2: 1,026,840 km (0.048 R)
• M3: 1,946,418 km (0.115 R)
• M4: 3,288,161 km (0.068 R)
• M5: 4,376,037 km (0.058 R)
• M6: 5,432,497 km (0.036 R)
• M7: 6,021,613 km (0.086 R)
• M8: 6,784,712 km (0.111 R)
• M9: 8,466,342 km (0.113 R)
• M10: 9,097,944 km (0.115 R)
• M11: 9,888,868 km (0.096 R)
• M12: 13,204,555 km (0.066 R)
• M13: 14,773,987 km (0.037 R)
• M14: 19,814,388 km (0.11 R)
• M15: 20,647,498 km (0.085 R)
• M16: 21,576,351 km (0.115 R)
• M17: 23,440,939 km (0.08 R)
• M18: 28,177,058 km (0.073 R)
• M19: 30,953,295 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.1

Radius: 11.2

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.48 AU - 4.68 AU

Year: 5496 Days

Day: 14.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,172,044 km

• M1: 139,724 km (0.055 R)
• M2: 976,724 km (0.105 R)
• M3: 1,395,000 km (0.087 R)
• M4: 2,038,421 km (0.101 R)
• M5: 2,421,990 km (0.117 R)
• M6: 3,299,680 km (0.1 R)
• M7: 3,895,678 km (0.078 R)
• M8: 4,400,421 km (0.107 R)
• M9: 4,998,065 km (0.118 R)
• M10: 6,355,815 km (0.115 R)
• M11: 6,900,501 km (0.089 R)
• M12: 7,541,977 km (0.049 R)
• M13: 10,430,562 km (0.084 R)
• M14: 13,296,259 km (0.114 R)
• M15: 16,763,040 km (0.044 R)
• M16: 20,142,904 km (0.103 R)
• M17: 22,679,636 km (0.035 R)
• M18: 23,098,659 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.9

Radius: 12.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.36 AU - 4.54 AU

Year: 6260 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,172,044 km

• M1: 156,779 km (0.085 R)
• M2: 695,929 km (0.085 R)
• M3: 1,118,394 km (0.087 R)
• M4: 1,818,512 km (0.089 R)
• M5: 2,247,110 km (0.043 R)
• M6: 2,830,541 km (0.087 R)
• M7: 4,210,582 km (0.071 R)
• M8: 4,946,005 km (0.068 R)
• M9: 7,329,996 km (0.076 R)
• M10: 10,015,129 km (0.105 R)
• M11: 10,965,823 km (0.097 R)
• M12: 12,649,996 km (0.083 R)
• M13: 15,266,911 km (0.096 R)
• M14: 16,175,569 km (0.054 R)
• M15: 18,604,889 km (0.112 R)
• M16: 19,575,629 km (0.1 R)
• M17: 21,900,829 km (0.085 R)
• M18: 28,088,047 km (0.113 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 20,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit