🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.2

Radius: 8.1

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.73 AU - 0.81 AU

Year: 443 Days

Day: 5.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,416,150 km

• M1: 101,577 km (0.107 R)
• M2: 373,845 km (0.086 R)
• M3: 672,293 km (0.082 R)
• M4: 940,671 km (0.106 R)
• M5: 1,195,885 km (0.089 R)
• M6: 1,485,956 km (0.103 R)
• M7: 1,816,118 km (0.111 R)
• M8: 2,146,879 km (0.111 R)
• M9: 2,438,296 km (0.084 R)
• M10: 3,010,208 km (0.043 R)
• M11: 3,453,916 km (0.072 R)
• M12: 3,856,334 km (0.091 R)
• M13: 4,150,144 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.3

Radius: 12.8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.75 AU - 1.01 AU

Year: 542 Days

Day: 6.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 141.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,416,150 km

• M1: 159,322 km (0.12 R)
• M2: 603,927 km (0.109 R)
• M3: 1,201,420 km (0.109 R)
• M4: 1,841,400 km (0.075 R)
• M5: 2,461,184 km (0.05 R)
• M6: 2,945,283 km (0.093 R)
• M7: 3,378,219 km (0.102 R)
• M8: 4,137,129 km (0.112 R)
• M9: 4,542,091 km (0.116 R)
• M10: 5,736,181 km (0.083 R)
• M11: 6,165,078 km (0.091 R)
• M12: 7,129,685 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.1

Radius: 9.2

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.67 AU - 1.09 AU

Year: 542 Days

Day: 13.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,416,150 km

• M1: 118,482 km (0.072 R)
• M2: 524,789 km (0.107 R)
• M3: 1,210,845 km (0.112 R)
• M4: 1,818,512 km (0.092 R)
• M5: 2,297,225 km (0.07 R)
• M6: 2,804,511 km (0.067 R)
• M7: 4,572,459 km (0.108 R)
• M8: 5,804,248 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.6

Radius: 10.6

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.71 AU - 1.07 AU

Year: 551 Days

Day: 13.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,416,150 km

• M1: 132,394 km (0.115 R)
• M2: 620,831 km (0.096 R)
• M3: 1,035,068 km (0.056 R)
• M4: 1,739,823 km (0.044 R)
• M5: 2,092,575 km (0.071 R)
• M6: 2,483,773 km (0.091 R)
• M7: 2,912,521 km (0.091 R)
• M8: 3,245,526 km (0.087 R)
• M9: 3,694,469 km (0.044 R)
• M10: 4,826,476 km (0.071 R)
• M11: 5,532,877 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.9

Radius: 10.7

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.33 AU - 2.81 AU

Year: 2703 Days

Day: 14.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,416,150 km

• M1: 135,087 km (0.063 R)
• M2: 526,585 km (0.094 R)
• M3: 981,960 km (0.027 R)
• M4: 1,466,059 km (0.085 R)
• M5: 2,198,191 km (0.092 R)
• M6: 2,686,329 km (0.049 R)
• M7: 3,039,829 km (0.074 R)
• M8: 3,388,242 km (0.08 R)
• M9: 4,166,600 km (0.034 R)
• M10: 4,710,987 km (0.114 R)
• M11: 5,732,142 km (0.089 R)
• M12: 6,185,124 km (0.089 R)
• M13: 7,469,721 km (0.083 R)
• M14: 8,208,286 km (0.114 R)
• M15: 8,819,692 km (0.117 R)
• M16: 10,364,440 km (0.119 R)
• M17: 10,917,353 km (0.071 R)
• M18: 12,211,824 km (0.088 R)
• M19: 13,099,538 km (0.108 R)
• M20: 13,466,501 km (0.081 R)
• M21: 14,953,803 km (0.064 R)
• M22: 19,590,290 km (0.09 R)
• M23: 20,497,451 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.2

Radius: 14.4

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.7 AU - 4.08 AU

Year: 5033 Days

Day: 15 Hours

Environment

Temp: -204 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,416,150 km

• M1: 179,069 km (0.105 R)
• M2: 648,208 km (0.116 R)
• M3: 1,217,427 km (0.099 R)
• M4: 1,787,695 km (0.059 R)
• M5: 2,519,677 km (0.115 R)
• M6: 3,999,499 km (0.102 R)
• M7: 4,687,500 km (0.12 R)
• M8: 5,593,913 km (0.118 R)
• M9: 7,236,498 km (0.099 R)
• M10: 7,969,677 km (0.117 R)
• M11: 8,713,478 km (0.111 R)
• M12: 10,211,700 km (0.058 R)
• M13: 11,922,950 km (0.097 R)
• M14: 12,501,296 km (0.081 R)
• M15: 13,047,777 km (0.03 R)
• M16: 15,793,047 km (0.109 R)
• M17: 16,967,989 km (0.106 R)
• M18: 21,897,688 km (0.087 R)
• M19: 23,960,044 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 10.9

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.14 AU - 6.34 AU

Year: 9021 Days

Day: 9.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,416,150 km

• M1: 152,889 km (0.095 R)
• M2: 918,381 km (0.113 R)
• M3: 1,270,086 km (0.117 R)
• M4: 2,117,707 km (0.093 R)
• M5: 2,787,008 km (0.116 R)
• M6: 3,161,452 km (0.11 R)
• M7: 4,625,417 km (0.106 R)
• M8: 5,507,894 km (0.115 R)
• M9: 6,166,873 km (0.099 R)
• M10: 7,642,357 km (0.116 R)
• M11: 8,222,647 km (0.098 R)
• M12: 11,475,353 km (0.113 R)
• M13: 13,085,775 km (0.096 R)
• M14: 15,745,475 km (0.102 R)
• M15: 16,494,661 km (0.101 R)
• M16: 19,730,762 km (0.046 R)
• M17: 20,675,323 km (0.118 R)
• M18: 22,032,475 km (0.094 R)
• M19: 22,811,581 km (0.102 R)
• M20: 23,689,870 km (0.066 R)
• M21: 24,756,652 km (0.06 R)
• M22: 25,344,123 km (0.108 R)
• M23: 30,961,075 km (0.085 R)
• M24: 32,534,844 km (0.062 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 15,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit