🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.2

Radius: 10.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.51 AU - 0.75 AU

Year: 345 Days

Day: 6.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,635,996 km

• M1: 134,339 km (0.115 R)
• M2: 493,224 km (0.1 R)
• M3: 891,903 km (0.072 R)
• M4: 1,721,572 km (0.108 R)
• M5: 2,565,155 km (0.102 R)
• M6: 2,976,250 km (0.036 R)
• M7: 3,518,991 km (0.061 R)
• M8: 3,873,089 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.5

Radius: 13

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.53 AU - 0.83 AU

Year: 387 Days

Day: 11.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,635,996 km

• M1: 162,762 km (0.087 R)
• M2: 569,818 km (0.081 R)
• M3: 1,002,755 km (0.108 R)
• M4: 1,653,356 km (0.114 R)
• M5: 2,147,029 km (0.089 R)
• M6: 2,564,855 km (0.071 R)
• M7: 3,037,585 km (0.115 R)
• M8: 3,738,451 km (0.089 R)
• M9: 4,460,560 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.2

Radius: 12.3

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.72 AU - 0.74 AU

Year: 431 Days

Day: 8.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,635,996 km

• M1: 153,039 km (0.053 R)
• M2: 596,596 km (0.086 R)
• M3: 1,126,023 km (0.118 R)
• M4: 1,596,359 km (0.09 R)
• M5: 1,998,628 km (0.091 R)
• M6: 2,440,240 km (0.068 R)
• M7: 3,303,719 km (0.114 R)
• M8: 3,900,166 km (0.109 R)
• M9: 4,478,212 km (0.112 R)
• M10: 4,889,756 km (0.095 R)
• M11: 5,393,302 km (0.093 R)
• M12: 6,543,411 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741

Radius: 13

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.56 AU - 0.94 AU

Year: 448 Days

Day: 14.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,635,996 km

• M1: 161,715 km (0.103 R)
• M2: 575,503 km (0.111 R)
• M3: 1,021,903 km (0.066 R)
• M4: 1,442,123 km (0.067 R)
• M5: 1,932,356 km (0.111 R)
• M6: 2,391,023 km (0.113 R)
• M7: 2,922,843 km (0.08 R)
• M8: 3,746,379 km (0.095 R)
• M9: 4,227,337 km (0.091 R)
• M10: 5,058,054 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.2

Radius: 12.5

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.32 AU - 1.9 AU

Year: 1410 Days

Day: 7.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,635,996 km

• M1: 155,432 km (0.089 R)
• M2: 617,989 km (0.059 R)
• M3: 1,023,549 km (0.079 R)
• M4: 1,519,765 km (0.051 R)
• M5: 1,941,481 km (0.105 R)
• M6: 2,615,270 km (0.096 R)
• M7: 3,057,182 km (0.063 R)
• M8: 3,596,183 km (0.103 R)
• M9: 4,110,650 km (0.076 R)
• M10: 5,350,817 km (0.114 R)
• M11: 6,229,704 km (0.096 R)
• M12: 8,023,831 km (0.118 R)
• M13: 9,387,416 km (0.109 R)
• M14: 10,499,227 km (0.112 R)
• M15: 12,310,558 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.8

Radius: 13.7

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.49 AU - 3.75 AU

Year: 4754 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,635,996 km

• M1: 172,486 km (0.077 R)
• M2: 642,523 km (0.089 R)
• M3: 1,309,131 km (0.116 R)
• M4: 1,785,151 km (0.119 R)
• M5: 2,622,600 km (0.085 R)
• M6: 3,378,518 km (0.074 R)
• M7: 3,966,438 km (0.039 R)
• M8: 5,031,724 km (0.063 R)
• M9: 8,242,843 km (0.099 R)
• M10: 8,783,639 km (0.111 R)
• M11: 10,884,741 km (0.107 R)
• M12: 13,302,392 km (0.104 R)
• M13: 13,781,704 km (0.079 R)
• M14: 16,255,155 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.5

Radius: 8.8

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.8 AU - 4.66 AU

Year: 4972 Days

Day: 9.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,635,996 km

• M1: 109,506 km (0.1 R)
• M2: 682,914 km (0.116 R)
• M3: 1,242,410 km (0.089 R)
• M4: 1,605,036 km (0.095 R)
• M5: 1,880,595 km (0.076 R)
• M6: 2,188,318 km (0.111 R)
• M7: 2,887,538 km (0.106 R)
• M8: 3,382,557 km (0.062 R)
• M9: 3,910,040 km (0.085 R)
• M10: 4,266,980 km (0.086 R)
• M11: 6,102,995 km (0.064 R)
• M12: 7,955,016 km (0.111 R)
• M13: 8,727,540 km (0.095 R)
• M14: 10,923,038 km (0.098 R)
• M15: 11,488,817 km (0.114 R)
• M16: 13,569,873 km (0.072 R)
• M17: 14,671,213 km (0.038 R)
• M18: 26,799,561 km (0.051 R)
• M19: 27,396,456 km (0.092 R)
• M20: 28,616,726 km (0.063 R)
• M21: 30,330,370 km (0.114 R)
• M22: 30,699,577 km (0.101 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 10,915 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit