🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

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: 635.3

Radius: 10.1

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.98 AU - 1.14 AU

Year: 753 Days

Day: 14.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,053,063 km

• M1: 126,111 km (0.075 R)
• M2: 524,939 km (0.081 R)
• M3: 983,606 km (0.055 R)
• M4: 1,320,650 km (0.087 R)
• M5: 1,872,965 km (0.057 R)
• M6: 2,248,157 km (0.112 R)
• M7: 2,990,910 km (0.101 R)
• M8: 3,333,340 km (0.095 R)
• M9: 3,759,095 km (0.081 R)
• M10: 4,189,788 km (0.071 R)
• M11: 5,062,841 km (0.087 R)
• M12: 5,477,526 km (0.117 R)
• M13: 5,953,995 km (0.12 R)
• M14: 6,499,429 km (0.11 R)
• M15: 7,278,086 km (0.11 R)
• M16: 8,021,438 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.4

Radius: 11.7

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.11 AU - 1.37 AU

Year: 953 Days

Day: 8 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,053,063 km

• M1: 145,559 km (0.118 R)
• M2: 924,515 km (0.108 R)
• M3: 1,327,831 km (0.101 R)
• M4: 2,319,814 km (0.119 R)
• M5: 3,372,983 km (0.075 R)
• M6: 3,921,409 km (0.117 R)
• M7: 5,706,560 km (0.097 R)
• M8: 7,315,037 km (0.062 R)
• M9: 7,729,572 km (0.09 R)
• M10: 8,525,882 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 14.4

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.28 AU - 1.32 AU

Year: 1023 Days

Day: 12.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,053,063 km

• M1: 179,218 km (0.105 R)
• M2: 701,165 km (0.104 R)
• M3: 1,285,943 km (0.114 R)
• M4: 2,118,605 km (0.041 R)
• M5: 2,630,080 km (0.1 R)
• M6: 3,276,642 km (0.043 R)
• M7: 3,745,931 km (0.116 R)
• M8: 4,197,567 km (0.06 R)
• M9: 4,891,701 km (0.114 R)
• M10: 5,377,595 km (0.09 R)
• M11: 6,136,804 km (0.045 R)
• M12: 8,771,821 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 11.8

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.15 AU - 1.59 AU

Year: 1107 Days

Day: 11.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,053,063 km

• M1: 151,842 km (0.062 R)
• M2: 641,625 km (0.056 R)
• M3: 1,015,770 km (0.077 R)
• M4: 1,426,715 km (0.073 R)
• M5: 1,940,733 km (0.109 R)
• M6: 2,741,531 km (0.082 R)
• M7: 3,118,816 km (0.032 R)
• M8: 4,058,141 km (0.082 R)
• M9: 4,742,103 km (0.108 R)
• M10: 6,254,687 km (0.061 R)
• M11: 6,937,601 km (0.101 R)
• M12: 7,891,587 km (0.093 R)
• M13: 8,452,429 km (0.115 R)
• M14: 9,315,759 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.2

Radius: 14.9

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.11 AU - 3.43 AU

Year: 3182 Days

Day: 11.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,053,063 km

• M1: 185,352 km (0.089 R)
• M2: 667,805 km (0.108 R)
• M3: 1,145,172 km (0.112 R)
• M4: 1,677,740 km (0.093 R)
• M5: 2,391,472 km (0.078 R)
• M6: 3,100,117 km (0.095 R)
• M7: 5,245,949 km (0.1 R)
• M8: 5,865,433 km (0.119 R)
• M9: 6,450,810 km (0.081 R)
• M10: 6,987,567 km (0.092 R)
• M11: 7,991,219 km (0.07 R)
• M12: 8,678,621 km (0.067 R)
• M13: 9,158,531 km (0.097 R)
• M14: 10,980,484 km (0.108 R)
• M15: 13,391,702 km (0.083 R)
• M16: 14,793,883 km (0.103 R)
• M17: 15,984,532 km (0.12 R)
• M18: 17,399,429 km (0.06 R)
• M19: 18,669,216 km (0.042 R)

Asteroid Belt

Center: 3.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.6

Radius: 13.2

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.91 AU - 5.07 AU

Year: 7694 Days

Day: 14.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,053,063 km

• M1: 173,534 km (0.06 R)
• M2: 587,471 km (0.051 R)
• M3: 1,004,998 km (0.104 R)
• M4: 1,438,683 km (0.047 R)
• M5: 2,048,144 km (0.079 R)
• M6: 2,553,187 km (0.114 R)
• M7: 4,396,233 km (0.09 R)
• M8: 5,092,312 km (0.068 R)
• M9: 5,596,307 km (0.061 R)
• M10: 6,168,219 km (0.102 R)
• M11: 9,777,567 km (0.074 R)
• M12: 12,358,729 km (0.107 R)
• M13: 14,540,763 km (0.09 R)
• M14: 15,365,048 km (0.06 R)
• M15: 18,025,945 km (0.105 R)
• M16: 18,607,582 km (0.104 R)
• M17: 19,885,147 km (0.111 R)
• M18: 21,300,792 km (0.04 R)
• M19: 24,156,466 km (0.1 R)
• M20: 25,767,336 km (0.11 R)
• M21: 27,544,259 km (0.063 R)
• M22: 29,904,016 km (0.057 R)
• M23: 33,147,597 km (0.092 R)
• M24: 33,801,340 km (0.055 R)
• M25: 35,928,771 km (0.067 R)
• M26: 39,467,359 km (0.074 R)
• M27: 40,325,303 km (0.048 R)
• M28: 43,231,989 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.7

Radius: 3.8

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.07 AU - 6.27 AU

Year: 10579 Days

Day: 18.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,053,063 km

• M1: 47,423 km (0.093 R)
• M2: 263,143 km (0.095 R)
• M3: 532,718 km (0.118 R)
• M4: 763,996 km (0.05 R)
• M5: 1,002,306 km (0.073 R)
• M6: 2,372,323 km (0.12 R)
• M7: 3,135,871 km (0.112 R)
• M8: 3,606,954 km (0.113 R)
• M9: 4,688,098 km (0.116 R)
• M10: 5,016,914 km (0.074 R)
• M11: 5,905,974 km (0.11 R)
• M12: 7,538,985 km (0.06 R)
• M13: 8,261,094 km (0.065 R)
• M14: 8,903,916 km (0.077 R)
• M15: 9,153,445 km (0.08 R)
• M16: 9,797,464 km (0.092 R)
• M17: 10,153,058 km (0.091 R)
• M18: 16,694,075 km (0.101 R)
• M19: 17,783,447 km (0.088 R)
• M20: 18,046,590 km (0.074 R)
• M21: 20,245,529 km (0.049 R)
• M22: 21,335,050 km (0.116 R)
• M23: 21,557,652 km (0.113 R)
• M24: 22,007,343 km (0.092 R)
• M25: 22,616,505 km (0.105 R)
• M26: 26,169,754 km (0.05 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 20,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit