🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547

Radius: 11.1

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.45 AU - 0.61 AU

Year: 262 Days

Day: 8.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 83 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,465,211 km

• M1: 138,079 km (0.075 R)
• M2: 561,590 km (0.092 R)
• M3: 930,648 km (0.074 R)
• M4: 1,332,468 km (0.072 R)
• M5: 1,772,136 km (0.12 R)
• M6: 2,363,497 km (0.105 R)
• M7: 2,867,492 km (0.112 R)
• M8: 3,309,254 km (0.08 R)
• M9: 3,840,925 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.8

Radius: 14.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.52 AU - 0.56 AU

Year: 269 Days

Day: 5.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,465,211 km

• M1: 185,352 km (0.042 R)
• M2: 875,148 km (0.059 R)
• M3: 1,371,663 km (0.04 R)
• M4: 1,838,857 km (0.047 R)
• M5: 2,597,019 km (0.1 R)
• M6: 3,121,060 km (0.104 R)
• M7: 4,296,600 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.9

Radius: 9.2

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.87 AU - 1.27 AU

Year: 751 Days

Day: 12.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,465,211 km

• M1: 114,442 km (0.082 R)
• M2: 433,535 km (0.095 R)
• M3: 719,715 km (0.106 R)
• M4: 1,006,345 km (0.099 R)
• M5: 1,293,124 km (0.075 R)
• M6: 1,771,837 km (0.093 R)
• M7: 2,485,269 km (0.082 R)
• M8: 2,834,580 km (0.06 R)
• M9: 3,216,504 km (0.08 R)
• M10: 3,854,090 km (0.118 R)
• M11: 4,163,458 km (0.084 R)
• M12: 4,710,388 km (0.119 R)
• M13: 6,008,598 km (0.096 R)
• M14: 6,751,651 km (0.101 R)
• M15: 7,819,780 km (0.086 R)
• M16: 8,394,385 km (0.119 R)
• M17: 8,836,896 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.8

Radius: 9.6

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.23 AU - 1.55 AU

Year: 1112 Days

Day: 9.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,465,211 km

• M1: 119,529 km (0.078 R)
• M2: 431,291 km (0.073 R)
• M3: 1,206,357 km (0.081 R)
• M4: 1,663,678 km (0.031 R)
• M5: 2,044,255 km (0.113 R)
• M6: 2,447,870 km (0.073 R)
• M7: 2,996,595 km (0.115 R)
• M8: 3,549,808 km (0.069 R)
• M9: 5,341,542 km (0.097 R)
• M10: 6,003,961 km (0.061 R)
• M11: 6,355,067 km (0.081 R)
• M12: 6,720,086 km (0.077 R)
• M13: 7,442,195 km (0.117 R)
• M14: 8,322,130 km (0.087 R)
• M15: 9,327,726 km (0.118 R)
• M16: 9,650,559 km (0.066 R)
• M17: 9,981,020 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.4

Radius: 10.9

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.91 AU - 2.87 AU

Year: 2506 Days

Day: 13.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,465,211 km

• M1: 135,536 km (0.106 R)
• M2: 486,941 km (0.107 R)
• M3: 940,073 km (0.114 R)
• M4: 1,620,743 km (0.105 R)
• M5: 2,474,947 km (0.046 R)
• M6: 3,077,827 km (0.073 R)
• M7: 3,587,806 km (0.074 R)
• M8: 4,732,678 km (0.118 R)
• M9: 5,791,682 km (0.096 R)
• M10: 6,213,847 km (0.052 R)
• M11: 7,389,985 km (0.059 R)
• M12: 8,373,591 km (0.11 R)
• M13: 10,065,992 km (0.08 R)
• M14: 12,488,281 km (0.04 R)
• M15: 14,979,833 km (0.118 R)
• M16: 15,575,532 km (0.074 R)
• M17: 16,135,327 km (0.109 R)
• M18: 16,498,551 km (0.108 R)
• M19: 19,370,381 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.8

Radius: 10.2

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.36 AU - 2.5 AU

Year: 2569 Days

Day: 9 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,465,211 km

• M1: 126,859 km (0.105 R)
• M2: 557,551 km (0.096 R)
• M3: 1,324,988 km (0.118 R)
• M4: 1,775,428 km (0.089 R)
• M5: 2,570,540 km (0.104 R)
• M6: 3,042,821 km (0.078 R)
• M7: 3,438,058 km (0.028 R)
• M8: 4,965,752 km (0.098 R)
• M9: 5,495,777 km (0.079 R)
• M10: 6,645,736 km (0.081 R)
• M11: 10,167,270 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.7

Radius: 12.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.68 AU - 4.32 AU

Year: 5426 Days

Day: 11.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,465,211 km

• M1: 153,039 km (0.115 R)
• M2: 559,496 km (0.106 R)
• M3: 1,395,599 km (0.096 R)
• M4: 2,354,970 km (0.091 R)
• M5: 4,173,332 km (0.119 R)
• M6: 5,078,997 km (0.102 R)
• M7: 5,935,146 km (0.058 R)
• M8: 6,352,374 km (0.106 R)
• M9: 7,014,943 km (0.057 R)
• M10: 7,863,163 km (0.069 R)
• M11: 10,052,827 km (0.029 R)
• M12: 11,220,588 km (0.09 R)
• M13: 12,189,833 km (0.115 R)
• M14: 12,621,872 km (0.108 R)
• M15: 13,164,014 km (0.081 R)
• M16: 13,721,565 km (0.09 R)
• M17: 16,749,127 km (0.032 R)
• M18: 17,163,962 km (0.083 R)
• M19: 19,020,472 km (0.086 R)
• M20: 19,407,182 km (0.059 R)
• M21: 22,335,112 km (0.092 R)
• M22: 23,128,878 km (0.037 R)
• M23: 26,175,139 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 18,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit