🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.9

Radius: 10.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.64 AU - 0.68 AU

Year: 377 Days

Day: 12.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,071,260 km

• M1: 141,520 km (0.088 R)
• M2: 612,753 km (0.103 R)
• M3: 1,192,145 km (0.12 R)
• M4: 1,693,298 km (0.055 R)
• M5: 2,353,623 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.1

Radius: 12

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.88 AU - 0.94 AU

Year: 610 Days

Day: 13.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,071,260 km

• M1: 149,598 km (0.073 R)
• M2: 891,454 km (0.107 R)
• M3: 1,397,843 km (0.071 R)
• M4: 2,184,428 km (0.085 R)
• M5: 2,564,556 km (0.118 R)
• M6: 2,978,942 km (0.063 R)
• M7: 3,566,114 km (0.116 R)
• M8: 3,982,595 km (0.081 R)
• M9: 5,047,881 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.5

Radius: 10.5

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.14 AU - 1.4 AU

Year: 1006 Days

Day: 7 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,071,260 km

• M1: 132,843 km (0.081 R)
• M2: 562,189 km (0.119 R)
• M3: 977,921 km (0.076 R)
• M4: 1,599,800 km (0.099 R)
• M5: 2,983,879 km (0.055 R)
• M6: 3,394,226 km (0.099 R)
• M7: 3,795,597 km (0.102 R)
• M8: 4,195,323 km (0.102 R)
• M9: 5,790,784 km (0.119 R)
• M10: 6,366,287 km (0.092 R)
• M11: 9,455,184 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.1

Radius: 14.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.58 AU - 1.66 AU

Year: 1449 Days

Day: 11.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,071,260 km

• M1: 176,675 km (0.1 R)
• M2: 729,738 km (0.096 R)
• M3: 1,655,749 km (0.1 R)
• M4: 2,119,802 km (0.112 R)
• M5: 2,659,102 km (0.1 R)
• M6: 3,458,852 km (0.054 R)
• M7: 4,106,910 km (0.092 R)
• M8: 5,517,469 km (0.088 R)
• M9: 6,310,487 km (0.115 R)
• M10: 6,797,129 km (0.101 R)
• M11: 7,873,785 km (0.118 R)
• M12: 9,493,032 km (0.068 R)
• M13: 10,975,248 km (0.052 R)
• M14: 11,753,905 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.5

Radius: 12.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.35 AU - 3.67 AU

Year: 3671 Days

Day: 6.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,071,260 km

• M1: 156,779 km (0.118 R)
• M2: 563,535 km (0.09 R)
• M3: 2,237,236 km (0.116 R)
• M4: 3,681,903 km (0.118 R)
• M5: 4,287,625 km (0.045 R)
• M6: 7,889,792 km (0.051 R)
• M7: 8,369,253 km (0.107 R)
• M8: 10,378,502 km (0.081 R)
• M9: 11,476,700 km (0.119 R)
• M10: 12,854,197 km (0.072 R)
• M11: 14,120,244 km (0.048 R)
• M12: 14,604,791 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.3

Radius: 13.9

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.64 AU - 4.1 AU

Year: 4349 Days

Day: 6.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,071,260 km

• M1: 172,935 km (0.113 R)
• M2: 784,940 km (0.081 R)
• M3: 1,368,222 km (0.103 R)
• M4: 1,935,796 km (0.106 R)
• M5: 2,659,252 km (0.09 R)
• M6: 3,929,338 km (0.115 R)
• M7: 5,864,985 km (0.101 R)
• M8: 7,247,568 km (0.079 R)
• M9: 7,778,042 km (0.035 R)
• M10: 8,221,001 km (0.062 R)
• M11: 9,568,579 km (0.12 R)
• M12: 10,967,020 km (0.113 R)
• M13: 11,811,350 km (0.058 R)
• M14: 12,698,615 km (0.069 R)
• M15: 14,330,578 km (0.115 R)
• M16: 16,456,663 km (0.115 R)
• M17: 16,942,707 km (0.12 R)
• M18: 17,689,799 km (0.056 R)
• M19: 18,785,603 km (0.037 R)
• M20: 20,132,133 km (0.078 R)
• M21: 23,779,479 km (0.114 R)
• M22: 25,758,958 km (0.085 R)
• M23: 28,017,736 km (0.102 R)
• M24: 28,536,991 km (0.09 R)
• M25: 29,863,625 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.1

Radius: 8

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.57 AU - 5.77 AU

Year: 8263 Days

Day: 9.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,071,260 km

• M1: 102,026 km (0.113 R)
• M2: 355,594 km (0.079 R)
• M3: 833,410 km (0.044 R)
• M4: 1,305,391 km (0.055 R)
• M5: 1,595,760 km (0.075 R)
• M6: 1,849,628 km (0.11 R)
• M7: 2,656,559 km (0.102 R)
• M8: 3,038,482 km (0.051 R)
• M9: 3,432,523 km (0.057 R)
• M10: 3,730,821 km (0.091 R)
• M11: 4,791,919 km (0.083 R)
• M12: 7,092,435 km (0.038 R)
• M13: 8,752,672 km (0.115 R)
• M14: 11,900,660 km (0.093 R)
• M15: 13,058,697 km (0.079 R)
• M16: 14,037,965 km (0.107 R)
• M17: 14,290,187 km (0.117 R)
• M18: 16,699,012 km (0.108 R)
• M19: 17,778,061 km (0.062 R)
• M20: 20,395,127 km (0.095 R)
• M21: 20,719,006 km (0.113 R)
• M22: 25,154,732 km (0.119 R)
• M23: 27,347,538 km (0.099 R)
• M24: 28,139,210 km (0.096 R)
• M25: 28,439,902 km (0.106 R)
• M26: 29,150,192 km (0.088 R)
• M27: 31,137,301 km (0.12 R)
• M28: 35,612,820 km (0.064 R)
• M29: 36,914,920 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 13,398 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit