🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.8

Radius: 12.1

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.81 AU - 1.17 AU

Year: 657 Days

Day: 13.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,538,163 km

• M1: 150,495 km (0.118 R)
• M2: 530,474 km (0.102 R)
• M3: 930,798 km (0.12 R)
• M4: 1,315,264 km (0.11 R)
• M5: 1,692,550 km (0.082 R)
• M6: 2,488,860 km (0.06 R)
• M7: 3,715,413 km (0.105 R)
• M8: 4,111,697 km (0.113 R)
• M9: 4,972,932 km (0.109 R)
• M10: 5,834,018 km (0.051 R)
• M11: 6,749,108 km (0.072 R)
• M12: 7,710,573 km (0.057 R)
• M13: 8,115,086 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.1

Radius: 13.5

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.92 AU - 1.26 AU

Year: 759 Days

Day: 6.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,538,163 km

• M1: 167,849 km (0.034 R)
• M2: 908,807 km (0.115 R)
• M3: 1,894,208 km (0.1 R)
• M4: 2,773,395 km (0.118 R)
• M5: 3,449,577 km (0.089 R)
• M6: 4,030,765 km (0.077 R)
• M7: 4,559,145 km (0.06 R)
• M8: 5,043,393 km (0.11 R)
• M9: 6,322,904 km (0.084 R)
• M10: 8,053,003 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.8

Radius: 10.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.96 AU - 1.46 AU

Year: 888 Days

Day: 12.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,538,163 km

• M1: 126,859 km (0.1 R)
• M2: 626,815 km (0.112 R)
• M3: 1,031,178 km (0.115 R)
• M4: 1,355,207 km (0.079 R)
• M5: 1,837,959 km (0.069 R)
• M6: 2,171,413 km (0.074 R)
• M7: 2,661,645 km (0.06 R)
• M8: 3,907,197 km (0.081 R)
• M9: 4,328,016 km (0.113 R)
• M10: 4,941,816 km (0.117 R)
• M11: 6,054,675 km (0.119 R)
• M12: 6,680,443 km (0.086 R)
• M13: 7,241,285 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.9

Radius: 12.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.36 AU - 1.84 AU

Year: 1350 Days

Day: 7 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,538,163 km

• M1: 157,227 km (0.111 R)
• M2: 563,386 km (0.098 R)
• M3: 1,524,851 km (0.081 R)
• M4: 1,941,332 km (0.097 R)
• M5: 2,872,878 km (0.1 R)
• M6: 3,273,351 km (0.092 R)
• M7: 3,843,468 km (0.098 R)
• M8: 4,277,901 km (0.114 R)
• M9: 5,225,603 km (0.116 R)
• M10: 5,849,576 km (0.115 R)
• M11: 6,546,852 km (0.112 R)
• M12: 7,092,884 km (0.078 R)
• M13: 7,535,394 km (0.076 R)
• M14: 8,107,756 km (0.085 R)
• M15: 10,194,796 km (0.075 R)
• M16: 10,895,662 km (0.073 R)
• M17: 11,451,119 km (0.079 R)
• M18: 12,171,732 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.5

Radius: 10.1

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.74 AU - 1.8 AU

Year: 1570 Days

Day: 7.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,538,163 km

• M1: 125,662 km (0.075 R)
• M2: 444,754 km (0.079 R)
• M3: 1,043,445 km (0.095 R)
• M4: 1,412,353 km (0.027 R)
• M5: 1,984,416 km (0.097 R)
• M6: 2,509,953 km (0.04 R)
• M7: 3,215,606 km (0.102 R)
• M8: 4,227,486 km (0.078 R)
• M9: 4,582,632 km (0.06 R)
• M10: 5,547,987 km (0.108 R)
• M11: 5,882,936 km (0.073 R)
• M12: 6,520,373 km (0.107 R)
• M13: 7,047,556 km (0.101 R)
• M14: 7,602,713 km (0.099 R)
• M15: 8,158,469 km (0.119 R)
• M16: 8,475,467 km (0.069 R)
• M17: 10,419,641 km (0.054 R)
• M18: 11,035,685 km (0.064 R)
• M19: 11,821,523 km (0.066 R)
• M20: 12,836,395 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.1

Radius: 12.5

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.11 AU - 3.29 AU

Year: 2959 Days

Day: 7.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,538,163 km

• M1: 155,432 km (0.089 R)
• M2: 551,119 km (0.099 R)
• M3: 1,107,323 km (0.087 R)
• M4: 1,598,154 km (0.112 R)
• M5: 2,348,088 km (0.104 R)
• M6: 3,103,857 km (0.05 R)
• M7: 4,616,291 km (0.071 R)
• M8: 5,149,009 km (0.096 R)
• M9: 5,588,677 km (0.108 R)
• M10: 6,723,228 km (0.078 R)
• M11: 8,959,267 km (0.082 R)
• M12: 10,965,823 km (0.075 R)
• M13: 12,414,080 km (0.086 R)
• M14: 13,739,966 km (0.11 R)
• M15: 14,185,618 km (0.112 R)
• M16: 15,580,768 km (0.034 R)
• M17: 16,560,484 km (0.101 R)
• M18: 17,065,527 km (0.074 R)
• M19: 18,224,611 km (0.062 R)
• M20: 18,823,601 km (0.11 R)
• M21: 20,506,577 km (0.102 R)
• M22: 21,950,196 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.5

Radius: 3.7

Gravity: 63.73 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.23 AU - 7.77 AU

Year: 11051 Days

Day: 19.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,538,163 km

• M1: 46,076 km (0.07 R)
• M2: 191,784 km (0.029 R)
• M3: 397,332 km (0.082 R)
• M4: 678,127 km (0.099 R)
• M5: 1,010,085 km (0.067 R)
• M6: 1,589,627 km (0.072 R)
• M7: 1,764,058 km (0.109 R)
• M8: 1,933,403 km (0.072 R)
• M9: 2,285,257 km (0.096 R)
• M10: 2,700,391 km (0.071 R)
• M11: 2,834,132 km (0.114 R)
• M12: 3,043,120 km (0.065 R)
• M13: 3,312,546 km (0.083 R)
• M14: 3,440,153 km (0.082 R)
• M15: 4,336,094 km (0.076 R)
• M16: 4,773,070 km (0.119 R)
• M17: 5,342,439 km (0.085 R)
• M18: 6,068,587 km (0.091 R)
• M19: 6,221,476 km (0.059 R)
• M20: 8,121,818 km (0.097 R)
• M21: 10,161,286 km (0.108 R)
• M22: 13,271,276 km (0.116 R)
• M23: 13,855,755 km (0.118 R)
• M24: 14,661,190 km (0.117 R)
• M25: 15,075,576 km (0.076 R)
• M26: 21,633,348 km (0.1 R)
• M27: 25,478,911 km (0.088 R)
• M28: 26,379,939 km (0.072 R)
• M29: 30,086,376 km (0.098 R)
• M30: 34,974,037 km (0.12 R)
• M31: 37,862,323 km (0.117 R)
• M32: 42,417,130 km (0.101 R)
• M33: 44,108,035 km (0.1 R)
• M34: 45,405,347 km (0.112 R)
• M35: 51,163,519 km (0.03 R)
• M36: 51,321,345 km (0.058 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 13,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit