🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.3

Radius: 12.6

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.84 AU - 1.28 AU

Year: 705 Days

Day: 14 Hours

Environment

Temp: -162 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,858,449 km

• M1: 156,629 km (0.036 R)
• M2: 763,548 km (0.112 R)
• M3: 1,490,743 km (0.091 R)
• M4: 2,102,448 km (0.101 R)
• M5: 2,889,333 km (0.065 R)
• M6: 3,305,515 km (0.063 R)
• M7: 4,633,794 km (0.119 R)
• M8: 5,484,408 km (0.084 R)
• M9: 6,107,632 km (0.1 R)
• M10: 6,842,756 km (0.075 R)
• M11: 8,364,167 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.8

Radius: 13

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.22 AU - 1.62 AU

Year: 1093 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,858,449 km

• M1: 162,463 km (0.08 R)
• M2: 762,949 km (0.079 R)
• M3: 1,418,936 km (0.105 R)
• M4: 1,852,470 km (0.094 R)
• M5: 2,272,840 km (0.112 R)
• M6: 2,800,023 km (0.118 R)
• M7: 3,311,199 km (0.079 R)
• M8: 4,751,677 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 8

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.22 AU - 1.98 AU

Year: 1307 Days

Day: 8.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,858,449 km

• M1: 99,483 km (0.11 R)
• M2: 859,739 km (0.059 R)
• M3: 1,303,596 km (0.076 R)
• M4: 1,756,578 km (0.079 R)
• M5: 2,020,319 km (0.06 R)
• M6: 3,466,183 km (0.074 R)
• M7: 4,792,368 km (0.118 R)
• M8: 5,179,228 km (0.112 R)
• M9: 5,888,172 km (0.095 R)
• M10: 6,466,069 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.8

Radius: 10.3

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.34 AU - 2.1 AU

Year: 1456 Days

Day: 13.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 126.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,858,449 km

• M1: 129,103 km (0.08 R)
• M2: 526,734 km (0.078 R)
• M3: 872,754 km (0.071 R)
• M4: 1,296,116 km (0.112 R)
• M5: 1,706,762 km (0.067 R)
• M6: 2,687,675 km (0.111 R)
• M7: 3,474,111 km (0.102 R)
• M8: 5,412,601 km (0.082 R)
• M9: 6,226,712 km (0.078 R)
• M10: 6,589,038 km (0.075 R)
• M11: 6,914,563 km (0.064 R)
• M12: 7,409,732 km (0.074 R)
• M13: 7,872,588 km (0.071 R)
• M14: 10,997,388 km (0.055 R)
• M15: 11,928,635 km (0.107 R)
• M16: 13,145,763 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.5

Radius: 14.1

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.44 AU - 2.1 AU

Year: 1520 Days

Day: 13.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,858,449 km

• M1: 178,769 km (0.039 R)
• M2: 646,712 km (0.112 R)
• M3: 1,107,024 km (0.062 R)
• M4: 1,835,566 km (0.085 R)
• M5: 2,418,100 km (0.113 R)
• M6: 2,961,140 km (0.116 R)
• M7: 3,849,752 km (0.114 R)
• M8: 5,852,717 km (0.094 R)
• M9: 6,724,125 km (0.061 R)
• M10: 8,641,970 km (0.107 R)
• M11: 9,414,643 km (0.111 R)
• M12: 10,901,945 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.6

Radius: 8.7

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.67 AU - 2.19 AU

Year: 1731 Days

Day: 5 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,858,449 km

• M1: 108,159 km (0.075 R)
• M2: 498,610 km (0.112 R)
• M3: 844,181 km (0.084 R)
• M4: 1,183,918 km (0.093 R)
• M5: 1,596,359 km (0.102 R)
• M6: 2,057,420 km (0.101 R)
• M7: 2,375,165 km (0.107 R)
• M8: 2,963,983 km (0.106 R)
• M9: 3,371,338 km (0.067 R)
• M10: 3,954,769 km (0.08 R)
• M11: 4,373,643 km (0.069 R)
• M12: 7,927,341 km (0.111 R)
• M13: 8,299,989 km (0.093 R)
• M14: 8,684,456 km (0.077 R)
• M15: 9,049,774 km (0.102 R)
• M16: 9,520,857 km (0.096 R)
• M17: 10,174,301 km (0.117 R)
• M18: 11,032,693 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.9

Radius: 10.3

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.91 AU - 2.73 AU

Year: 2282 Days

Day: 12.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 20,858,449 km

• M1: 128,056 km (0.115 R)
• M2: 477,816 km (0.074 R)
• M3: 926,609 km (0.086 R)
• M4: 1,527,993 km (0.061 R)
• M5: 2,291,989 km (0.086 R)
• M6: 3,022,924 km (0.103 R)
• M7: 3,363,259 km (0.117 R)
• M8: 3,882,962 km (0.083 R)
• M9: 4,967,098 km (0.081 R)
• M10: 5,394,499 km (0.055 R)
• M11: 6,405,482 km (0.114 R)
• M12: 6,970,662 km (0.088 R)
• M13: 7,355,578 km (0.11 R)
• M14: 8,731,429 km (0.116 R)
• M15: 9,249,636 km (0.119 R)
• M16: 11,006,963 km (0.105 R)
• M17: 12,196,565 km (0.026 R)
• M18: 12,539,294 km (0.102 R)
• M19: 13,836,008 km (0.109 R)
• M20: 14,445,619 km (0.059 R)
• M21: 14,877,957 km (0.064 R)
• M22: 16,124,406 km (0.046 R)
• M23: 16,694,524 km (0.096 R)
• M24: 17,819,949 km (0.095 R)
• M25: 19,456,400 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.9

Radius: 12.3

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.53 AU - 3.85 AU

Year: 3679 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,858,449 km

• M1: 154,535 km (0.088 R)
• M2: 580,440 km (0.112 R)
• M3: 1,171,351 km (0.066 R)
• M4: 2,101,252 km (0.119 R)
• M5: 2,926,882 km (0.104 R)
• M6: 4,067,865 km (0.085 R)
• M7: 5,645,674 km (0.074 R)
• M8: 6,369,578 km (0.074 R)
• M9: 6,859,511 km (0.096 R)
• M10: 7,346,751 km (0.093 R)
• M11: 8,360,576 km (0.074 R)
• M12: 9,237,070 km (0.099 R)
• M13: 9,865,980 km (0.054 R)
• M14: 10,523,313 km (0.11 R)
• M15: 12,873,346 km (0.098 R)
• M16: 13,870,565 km (0.12 R)
• M17: 14,388,174 km (0.11 R)
• M18: 15,053,286 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.6

Radius: 12.9

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.48 AU - 4.26 AU

Year: 4916 Days

Day: 14.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,858,449 km

• M1: 160,668 km (0.111 R)
• M2: 590,912 km (0.113 R)
• M3: 1,426,416 km (0.038 R)
• M4: 1,840,802 km (0.045 R)
• M5: 2,841,911 km (0.081 R)
• M6: 3,529,463 km (0.058 R)
• M7: 4,282,987 km (0.089 R)
• M8: 4,789,525 km (0.111 R)
• M9: 6,138,150 km (0.115 R)
• M10: 7,726,132 km (0.084 R)
• M11: 9,210,591 km (0.05 R)
• M12: 10,797,675 km (0.098 R)
• M13: 12,604,369 km (0.051 R)
• M14: 13,051,965 km (0.077 R)
• M15: 15,655,268 km (0.096 R)
• M16: 20,488,176 km (0.071 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 13,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit