🌌 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: 463.1

Radius: 8.7

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.86 AU - 1.26 AU

Year: 716 Days

Day: 6.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,620,876 km

• M1: 112,797 km (0.102 R)
• M2: 425,157 km (0.115 R)
• M3: 1,220,868 km (0.09 R)
• M4: 1,706,164 km (0.097 R)
• M5: 1,981,274 km (0.119 R)
• M6: 3,538,289 km (0.098 R)
• M7: 4,684,657 km (0.108 R)
• M8: 4,960,815 km (0.113 R)
• M9: 5,247,893 km (0.097 R)
• M10: 6,669,821 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.7

Radius: 12.1

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.54 AU - 1.62 AU

Year: 1303 Days

Day: 8.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,620,876 km

• M1: 157,527 km (0.065 R)
• M2: 661,671 km (0.119 R)
• M3: 1,100,292 km (0.067 R)
• M4: 1,626,727 km (0.087 R)
• M5: 2,318,767 km (0.116 R)
• M6: 3,014,397 km (0.063 R)
• M7: 4,240,501 km (0.117 R)
• M8: 4,663,265 km (0.118 R)
• M9: 5,418,136 km (0.096 R)
• M10: 5,999,922 km (0.102 R)
• M11: 7,100,962 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.3

Radius: 10.6

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.55 AU - 3.63 AU

Year: 3563 Days

Day: 14.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,620,876 km

• M1: 132,693 km (0.051 R)
• M2: 492,925 km (0.105 R)
• M3: 1,066,782 km (0.111 R)
• M4: 1,561,802 km (0.07 R)
• M5: 1,957,787 km (0.045 R)
• M6: 2,562,312 km (0.085 R)
• M7: 3,102,211 km (0.102 R)
• M8: 3,515,400 km (0.059 R)
• M9: 3,984,689 km (0.118 R)
• M10: 4,431,987 km (0.09 R)
• M11: 4,935,234 km (0.113 R)
• M12: 5,723,764 km (0.107 R)
• M13: 7,399,709 km (0.094 R)
• M14: 7,764,578 km (0.094 R)
• M15: 8,830,463 km (0.071 R)
• M16: 9,381,133 km (0.112 R)
• M17: 10,101,596 km (0.089 R)
• M18: 11,571,545 km (0.099 R)
• M19: 14,129,369 km (0.116 R)
• M20: 14,739,878 km (0.103 R)
• M21: 18,060,053 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.2

Radius: 8.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.67 AU - 3.89 AU

Year: 3897 Days

Day: 13.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,620,876 km

• M1: 108,608 km (0.084 R)
• M2: 493,523 km (0.116 R)
• M3: 848,968 km (0.112 R)
• M4: 1,290,581 km (0.102 R)
• M5: 1,618,649 km (0.099 R)
• M6: 1,977,534 km (0.08 R)
• M7: 2,548,400 km (0.039 R)
• M8: 3,331,096 km (0.106 R)
• M9: 4,139,971 km (0.096 R)
• M10: 4,770,975 km (0.101 R)
• M11: 5,121,633 km (0.116 R)
• M12: 5,464,511 km (0.107 R)
• M13: 6,614,470 km (0.092 R)
• M14: 7,231,411 km (0.101 R)
• M15: 7,695,165 km (0.106 R)
• M16: 8,047,617 km (0.076 R)
• M17: 9,421,674 km (0.053 R)
• M18: 10,825,949 km (0.075 R)
• M19: 13,622,532 km (0.104 R)
• M20: 18,298,512 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.2

Radius: 6.1

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.84 AU - 7.88 AU

Year: 11787 Days

Day: 23.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,620,876 km

• M1: 75,996 km (0.11 R)
• M2: 651,349 km (0.113 R)
• M3: 1,161,927 km (0.115 R)
• M4: 1,354,609 km (0.053 R)
• M5: 1,677,142 km (0.074 R)
• M6: 2,034,082 km (0.084 R)
• M7: 3,001,831 km (0.07 R)
• M8: 3,622,213 km (0.096 R)
• M9: 5,143,923 km (0.12 R)
• M10: 6,578,118 km (0.075 R)
• M11: 7,160,203 km (0.091 R)
• M12: 7,935,120 km (0.114 R)
• M13: 9,423,768 km (0.068 R)
• M14: 12,942,011 km (0.104 R)
• M15: 17,932,147 km (0.113 R)
• M16: 23,400,847 km (0.078 R)
• M17: 24,751,117 km (0.112 R)
• M18: 27,054,625 km (0.091 R)
• M19: 33,747,335 km (0.114 R)
• M20: 36,017,782 km (0.043 R)
• M21: 36,461,489 km (0.062 R)
• M22: 37,246,728 km (0.059 R)
• M23: 37,814,452 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.7

Radius: 4.6

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.91 AU - 8.69 AU

Year: 12939 Days

Day: 17 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,620,876 km

• M1: 58,493 km (0.06 R)
• M2: 203,752 km (0.087 R)
• M3: 665,411 km (0.061 R)
• M4: 1,034,469 km (0.051 R)
• M5: 1,406,220 km (0.088 R)
• M6: 1,611,169 km (0.066 R)
• M7: 3,546,218 km (0.065 R)
• M8: 6,074,571 km (0.075 R)
• M9: 8,783,938 km (0.108 R)
• M10: 21,306,028 km (0.088 R)

Asteroid Belt

Center: 8.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.6

Radius: 6

Gravity: 24.93 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.27 AU - 11.27 AU

Year: 21591 Days

Day: 20.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 87,620,876 km

• M1: 74,649 km (0.107 R)
• M2: 266,883 km (0.109 R)
• M3: 453,730 km (0.103 R)
• M4: 1,139,786 km (0.117 R)
• M5: 1,393,803 km (0.094 R)
• M6: 2,017,028 km (0.05 R)
• M7: 2,232,000 km (0.055 R)
• M8: 2,558,572 km (0.096 R)
• M9: 2,784,914 km (0.104 R)
• M10: 3,860,373 km (0.109 R)
• M11: 4,091,502 km (0.112 R)
• M12: 5,890,267 km (0.097 R)
• M13: 6,938,499 km (0.089 R)
• M14: 8,375,686 km (0.065 R)
• M15: 14,324,595 km (0.109 R)
• M16: 14,719,682 km (0.118 R)
• M17: 19,461,337 km (0.071 R)
• M18: 20,838,535 km (0.111 R)
• M19: 22,384,928 km (0.109 R)
• M20: 23,024,309 km (0.046 R)
• M21: 24,006,270 km (0.073 R)
• M22: 26,999,125 km (0.072 R)
• M23: 27,239,229 km (0.096 R)
• M24: 28,090,591 km (0.112 R)
• M25: 28,460,845 km (0.106 R)
• M26: 30,231,934 km (0.098 R)
• M27: 31,408,372 km (0.059 R)
• M28: 34,978,226 km (0.111 R)
• M29: 40,354,624 km (0.099 R)
• M30: 56,148,270 km (0.084 R)
• M31: 57,129,781 km (0.1 R)
• M32: 57,724,134 km (0.097 R)
• M33: 64,965,419 km (0.078 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 14,561 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit