🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.3

Radius: 14.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.58 AU - 0.6 AU

Year: 313 Days

Day: 6.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,548,431 km

• M1: 181,612 km (0.053 R)
• M2: 719,416 km (0.095 R)
• M3: 1,203,066 km (0.1 R)
• M4: 2,000,572 km (0.087 R)
• M5: 2,477,790 km (0.111 R)
• M6: 3,523,479 km (0.11 R)
• M7: 4,589,663 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.7

Radius: 9.2

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.5 AU - 0.68 AU

Year: 313 Days

Day: 11.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,548,431 km

• M1: 114,442 km (0.075 R)
• M2: 465,249 km (0.118 R)
• M3: 905,366 km (0.046 R)
• M4: 1,399,937 km (0.069 R)
• M5: 1,811,331 km (0.104 R)
• M6: 2,199,238 km (0.083 R)
• M7: 2,613,176 km (0.084 R)
• M8: 3,089,495 km (0.104 R)
• M9: 3,768,370 km (0.045 R)
• M10: 4,585,474 km (0.058 R)
• M11: 4,887,512 km (0.084 R)
• M12: 5,218,423 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.2

Radius: 8.7

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.89 AU - 1.05 AU

Year: 659 Days

Day: 6.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,548,431 km

• M1: 108,608 km (0.119 R)
• M2: 379,380 km (0.108 R)
• M3: 737,817 km (0.092 R)
• M4: 1,034,918 km (0.091 R)
• M5: 1,377,796 km (0.107 R)
• M6: 1,839,306 km (0.102 R)
• M7: 2,660,000 km (0.105 R)
• M8: 3,072,142 km (0.061 R)
• M9: 3,472,316 km (0.041 R)
• M10: 4,099,730 km (0.109 R)
• M11: 4,936,431 km (0.093 R)
• M12: 5,523,901 km (0.106 R)
• M13: 5,805,893 km (0.089 R)
• M14: 6,257,081 km (0.098 R)
• M15: 7,185,335 km (0.066 R)
• M16: 7,752,012 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.6

Radius: 9.6

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.09 AU - 1.17 AU

Year: 829 Days

Day: 11.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,548,431 km

• M1: 119,379 km (0.114 R)
• M2: 437,125 km (0.071 R)
• M3: 781,050 km (0.087 R)
• M4: 1,091,466 km (0.113 R)
• M5: 2,238,732 km (0.078 R)
• M6: 2,718,642 km (0.074 R)
• M7: 3,109,691 km (0.073 R)
• M8: 3,413,823 km (0.109 R)
• M9: 3,885,057 km (0.088 R)
• M10: 5,011,529 km (0.112 R)
• M11: 6,553,733 km (0.088 R)
• M12: 6,967,521 km (0.118 R)
• M13: 8,314,650 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.8

Radius: 12.7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.7 AU - 2.36 AU

Year: 1996 Days

Day: 9.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,548,431 km

• M1: 157,975 km (0.041 R)
• M2: 1,551,480 km (0.096 R)
• M3: 2,191,459 km (0.094 R)
• M4: 2,711,761 km (0.117 R)
• M5: 3,191,671 km (0.111 R)
• M6: 3,634,630 km (0.084 R)
• M7: 4,250,225 km (0.106 R)
• M8: 4,788,628 km (0.107 R)
• M9: 5,459,574 km (0.105 R)
• M10: 6,563,008 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.6

Radius: 10.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.06 AU - 2.56 AU

Year: 2423 Days

Day: 5.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,548,431 km

• M1: 125,662 km (0.119 R)
• M2: 453,730 km (0.098 R)
• M3: 869,463 km (0.099 R)
• M4: 1,881,492 km (0.072 R)
• M5: 3,083,511 km (0.058 R)
• M6: 4,036,001 km (0.086 R)
• M7: 4,447,694 km (0.092 R)
• M8: 6,279,520 km (0.093 R)
• M9: 8,193,027 km (0.113 R)
• M10: 8,694,479 km (0.097 R)
• M11: 9,862,838 km (0.044 R)
• M12: 10,759,528 km (0.087 R)
• M13: 11,945,689 km (0.096 R)
• M14: 12,838,938 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.6

Radius: 12.2

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.87 AU - 3.81 AU

Year: 4213 Days

Day: 11.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,548,431 km

• M1: 151,991 km (0.098 R)
• M2: 930,200 km (0.085 R)
• M3: 1,326,634 km (0.093 R)
• M4: 2,281,966 km (0.028 R)
• M5: 2,711,013 km (0.111 R)
• M6: 3,447,184 km (0.105 R)
• M7: 4,060,984 km (0.088 R)
• M8: 5,104,429 km (0.048 R)
• M9: 6,471,753 km (0.072 R)
• M10: 7,857,030 km (0.063 R)
• M11: 8,657,229 km (0.113 R)
• M12: 11,798,485 km (0.099 R)
• M13: 13,446,156 km (0.101 R)
• M14: 15,408,281 km (0.09 R)
• M15: 18,291,332 km (0.101 R)
• M16: 18,793,980 km (0.103 R)
• M17: 19,500,232 km (0.076 R)
• M18: 20,626,405 km (0.104 R)
• M19: 24,719,851 km (0.108 R)
• M20: 26,038,557 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.7

Radius: 7.9

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 10.16 AU - 10.98 AU

Year: 23720 Days

Day: 15.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,548,431 km

• M1: 98,286 km (0.032 R)
• M2: 363,373 km (0.095 R)
• M3: 796,309 km (0.116 R)
• M4: 1,281,007 km (0.046 R)
• M5: 1,796,222 km (0.084 R)
• M6: 2,284,509 km (0.119 R)
• M7: 2,962,935 km (0.093 R)
• M8: 3,320,624 km (0.104 R)
• M9: 4,156,128 km (0.066 R)
• M10: 5,600,944 km (0.104 R)
• M11: 5,849,726 km (0.112 R)
• M12: 7,110,387 km (0.11 R)
• M13: 13,532,773 km (0.1 R)
• M14: 14,675,102 km (0.112 R)
• M15: 22,179,979 km (0.098 R)
• M16: 23,121,697 km (0.081 R)
• M17: 36,586,403 km (0.117 R)
• M18: 45,107,348 km (0.059 R)
• M19: 64,235,979 km (0.1 R)
• M20: 71,872,502 km (0.087 R)
• M21: 78,640,908 km (0.076 R)
• M22: 81,315,419 km (0.075 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 11,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit