🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.9

Radius: 9.8

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.86 AU - 0.88 AU

Year: 516 Days

Day: 6.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,394,069 km

• M1: 121,922 km (0.115 R)
• M2: 659,427 km (0.049 R)
• M3: 1,154,148 km (0.098 R)
• M4: 1,516,623 km (0.059 R)
• M5: 1,862,793 km (0.12 R)
• M6: 2,270,596 km (0.091 R)
• M7: 3,026,365 km (0.093 R)
• M8: 3,474,859 km (0.074 R)
• M9: 3,954,321 km (0.105 R)
• M10: 4,380,226 km (0.1 R)
• M11: 4,985,648 km (0.092 R)

Asteroid Belt

Center: 1.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 10.8

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.63 AU - 2.35 AU

Year: 1785 Days

Day: 13.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,394,069 km

• M1: 136,882 km (0.055 R)
• M2: 508,932 km (0.113 R)
• M3: 1,187,508 km (0.119 R)
• M4: 1,879,847 km (0.109 R)
• M5: 2,483,325 km (0.041 R)
• M6: 3,260,934 km (0.068 R)
• M7: 3,653,479 km (0.065 R)
• M8: 4,135,184 km (0.096 R)
• M9: 5,938,587 km (0.097 R)
• M10: 7,295,739 km (0.026 R)
• M11: 7,731,667 km (0.103 R)
• M12: 8,154,281 km (0.064 R)
• M13: 8,592,154 km (0.057 R)
• M14: 9,045,734 km (0.094 R)
• M15: 10,178,490 km (0.099 R)
• M16: 10,797,675 km (0.112 R)
• M17: 11,480,440 km (0.119 R)
• M18: 15,240,732 km (0.086 R)
• M19: 16,246,478 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.6

Radius: 14.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.89 AU - 2.55 AU

Year: 2103 Days

Day: 6.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,394,069 km

• M1: 175,329 km (0.036 R)
• M2: 683,662 km (0.085 R)
• M3: 1,237,922 km (0.088 R)
• M4: 1,857,856 km (0.09 R)
• M5: 2,307,996 km (0.11 R)
• M6: 2,896,664 km (0.079 R)
• M7: 4,157,923 km (0.073 R)
• M8: 5,036,661 km (0.104 R)
• M9: 5,885,629 km (0.09 R)
• M10: 7,360,814 km (0.119 R)
• M11: 9,098,842 km (0.063 R)
• M12: 10,327,788 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.1

Radius: 12.7

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.67 AU - 2.69 AU

Year: 2790 Days

Day: 6.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,394,069 km

• M1: 166,054 km (0.091 R)
• M2: 914,641 km (0.106 R)
• M3: 1,364,333 km (0.054 R)
• M4: 1,784,403 km (0.063 R)
• M5: 2,830,841 km (0.114 R)
• M6: 3,758,647 km (0.044 R)
• M7: 4,625,417 km (0.117 R)
• M8: 5,884,582 km (0.037 R)
• M9: 7,205,830 km (0.055 R)
• M10: 8,892,247 km (0.111 R)
• M11: 9,658,188 km (0.053 R)
• M12: 10,388,675 km (0.085 R)
• M13: 11,073,234 km (0.113 R)
• M14: 11,616,873 km (0.113 R)
• M15: 12,667,200 km (0.076 R)
• M16: 13,923,373 km (0.048 R)
• M17: 14,458,485 km (0.111 R)
• M18: 16,252,612 km (0.114 R)
• M19: 20,714,817 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.4

Radius: 15

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.58 AU - 2.86 AU

Year: 2852 Days

Day: 13.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,394,069 km

• M1: 186,549 km (0.061 R)
• M2: 791,672 km (0.12 R)
• M3: 1,888,224 km (0.043 R)
• M4: 2,777,733 km (0.06 R)
• M5: 3,839,130 km (0.106 R)
• M6: 5,305,638 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.5

Radius: 14.9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.03 AU - 4.53 AU

Year: 4673 Days

Day: 6.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,394,069 km

• M1: 201,209 km (0.106 R)
• M2: 809,474 km (0.107 R)
• M3: 1,406,968 km (0.037 R)
• M4: 2,915,962 km (0.109 R)
• M5: 4,908,605 km (0.112 R)
• M6: 5,408,113 km (0.037 R)
• M7: 5,914,053 km (0.091 R)
• M8: 9,011,028 km (0.114 R)
• M9: 12,052,502 km (0.103 R)
• M10: 13,014,267 km (0.097 R)
• M11: 13,538,159 km (0.083 R)
• M12: 16,759,449 km (0.118 R)
• M13: 18,969,309 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.1

Radius: 7.3

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.19 AU - 7.97 AU

Year: 10732 Days

Day: 16.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,394,069 km

• M1: 90,806 km (0.104 R)
• M2: 500,854 km (0.079 R)
• M3: 775,366 km (0.092 R)
• M4: 1,718,580 km (0.12 R)
• M5: 2,126,534 km (0.094 R)
• M6: 2,678,999 km (0.092 R)
• M7: 3,299,531 km (0.065 R)
• M8: 3,877,876 km (0.028 R)
• M9: 4,205,495 km (0.064 R)
• M10: 4,433,931 km (0.098 R)
• M11: 4,792,368 km (0.115 R)
• M12: 6,274,733 km (0.05 R)
• M13: 9,225,850 km (0.095 R)
• M14: 9,564,241 km (0.092 R)
• M15: 9,860,744 km (0.118 R)
• M16: 10,524,360 km (0.096 R)
• M17: 14,040,957 km (0.091 R)
• M18: 14,295,722 km (0.11 R)
• M19: 14,683,779 km (0.03 R)
• M20: 16,658,770 km (0.084 R)
• M21: 17,895,496 km (0.07 R)
• M22: 18,498,076 km (0.062 R)
• M23: 20,879,076 km (0.119 R)
• M24: 21,971,439 km (0.12 R)
• M25: 25,101,326 km (0.092 R)
• M26: 27,115,362 km (0.091 R)
• M27: 27,510,749 km (0.109 R)
• M28: 30,387,666 km (0.094 R)
• M29: 33,008,172 km (0.103 R)
• M30: 35,539,218 km (0.088 R)
• M31: 37,093,989 km (0.077 R)
• M32: 38,943,916 km (0.106 R)
• M33: 40,725,028 km (0.111 R)
• M34: 46,675,882 km (0.117 R)
• M35: 47,386,771 km (0.065 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: 195 - 14,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit