🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.1

Radius: 9.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.5 AU - 0.56 AU

Year: 266 Days

Day: 5.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,883,504 km

• M1: 113,395 km (0.119 R)
• M2: 425,905 km (0.117 R)
• M3: 878,289 km (0.117 R)
• M4: 1,349,522 km (0.09 R)
• M5: 1,896,153 km (0.106 R)
• M6: 2,191,010 km (0.046 R)
• M7: 2,539,125 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.2

Radius: 9.6

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.17 AU - 1.55 AU

Year: 1095 Days

Day: 6.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,883,504 km

• M1: 120,277 km (0.119 R)
• M2: 449,841 km (0.069 R)
• M3: 908,358 km (0.098 R)
• M4: 1,512,285 km (0.074 R)
• M5: 2,223,024 km (0.095 R)
• M6: 4,005,034 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.1

Radius: 14.6

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.74 AU - 1.78 AU

Year: 1612 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,883,504 km

• M1: 183,407 km (0.113 R)
• M2: 665,262 km (0.111 R)
• M3: 1,682,976 km (0.112 R)
• M4: 2,301,713 km (0.08 R)
• M5: 3,208,276 km (0.07 R)
• M6: 3,859,775 km (0.108 R)
• M7: 4,950,642 km (0.109 R)
• M8: 5,559,506 km (0.074 R)
• M9: 7,191,768 km (0.108 R)
• M10: 7,880,068 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.5

Radius: 8.8

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.36 AU - 2.2 AU

Year: 1639 Days

Day: 8.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,883,504 km

• M1: 109,805 km (0.111 R)
• M2: 393,592 km (0.095 R)
• M3: 681,867 km (0.051 R)
• M4: 959,222 km (0.094 R)
• M5: 1,666,520 km (0.045 R)
• M6: 2,741,082 km (0.117 R)
• M7: 3,566,862 km (0.079 R)
• M8: 3,858,727 km (0.098 R)
• M9: 4,608,961 km (0.112 R)
• M10: 4,914,290 km (0.025 R)
• M11: 5,431,001 km (0.078 R)
• M12: 7,200,445 km (0.077 R)
• M13: 8,882,074 km (0.067 R)
• M14: 9,550,926 km (0.047 R)
• M15: 14,202,822 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643

Radius: 10.1

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.9 AU - 2.48 AU

Year: 2237 Days

Day: 13.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,883,504 km

• M1: 125,662 km (0.033 R)
• M2: 759,658 km (0.114 R)
• M3: 1,097,749 km (0.048 R)
• M4: 1,481,169 km (0.106 R)
• M5: 2,012,540 km (0.117 R)
• M6: 2,403,140 km (0.066 R)
• M7: 2,784,316 km (0.102 R)
• M8: 3,338,875 km (0.097 R)
• M9: 4,357,786 km (0.063 R)
• M10: 4,797,454 km (0.103 R)
• M11: 5,220,517 km (0.027 R)
• M12: 5,741,417 km (0.084 R)
• M13: 6,777,382 km (0.088 R)
• M14: 7,282,424 km (0.061 R)
• M15: 7,692,472 km (0.045 R)
• M16: 8,117,779 km (0.083 R)
• M17: 8,623,120 km (0.103 R)
• M18: 11,986,529 km (0.115 R)
• M19: 12,311,456 km (0.094 R)
• M20: 14,115,008 km (0.089 R)
• M21: 14,432,006 km (0.118 R)
• M22: 15,892,979 km (0.096 R)
• M23: 16,785,180 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.2

Radius: 7.2

Gravity: 17.77 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.31 AU - 6.45 AU

Year: 9842 Days

Day: 24.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,883,504 km

• M1: 89,609 km (0.037 R)
• M2: 436,826 km (0.117 R)
• M3: 676,930 km (0.094 R)
• M4: 1,249,142 km (0.096 R)
• M5: 2,330,136 km (0.078 R)
• M6: 4,044,827 km (0.077 R)
• M7: 7,311,147 km (0.117 R)
• M8: 8,549,219 km (0.109 R)
• M9: 8,784,088 km (0.053 R)
• M10: 9,218,071 km (0.057 R)
• M11: 10,076,464 km (0.108 R)
• M12: 10,551,886 km (0.101 R)
• M13: 10,932,014 km (0.119 R)
• M14: 11,777,242 km (0.115 R)
• M15: 12,848,064 km (0.038 R)
• M16: 14,112,614 km (0.104 R)
• M17: 14,574,124 km (0.116 R)
• M18: 14,977,739 km (0.042 R)
• M19: 20,755,209 km (0.108 R)
• M20: 23,762,126 km (0.101 R)
• M21: 24,698,908 km (0.109 R)
• M22: 26,646,074 km (0.114 R)
• M23: 28,588,452 km (0.078 R)
• M24: 29,755,166 km (0.091 R)
• M25: 36,190,567 km (0.072 R)
• M26: 36,930,628 km (0.068 R)
• M27: 41,049,057 km (0.104 R)
• M28: 43,218,675 km (0.074 R)
• M29: 46,759,956 km (0.113 R)
• M30: 49,880,268 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.6

Radius: 4.5

Gravity: 35.73 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.58 AU - 10.6 AU

Year: 22123 Days

Day: 24.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,883,504 km

• M1: 56,398 km (0.106 R)
• M2: 308,471 km (0.09 R)
• M3: 571,913 km (0.097 R)
• M4: 1,273,975 km (0.112 R)
• M5: 1,445,564 km (0.079 R)
• M6: 1,722,769 km (0.106 R)
• M7: 1,953,299 km (0.052 R)
• M8: 2,314,728 km (0.052 R)
• M9: 2,873,177 km (0.072 R)
• M10: 4,423,759 km (0.099 R)
• M11: 4,969,192 km (0.059 R)
• M12: 5,975,986 km (0.037 R)
• M13: 7,354,830 km (0.115 R)
• M14: 9,446,956 km (0.112 R)
• M15: 10,723,175 km (0.041 R)
• M16: 12,739,306 km (0.07 R)
• M17: 13,612,060 km (0.092 R)
• M18: 16,216,559 km (0.079 R)
• M19: 17,153,640 km (0.119 R)
• M20: 19,510,853 km (0.12 R)
• M21: 21,565,730 km (0.114 R)
• M22: 23,118,855 km (0.116 R)
• M23: 27,265,558 km (0.104 R)
• M24: 29,700,862 km (0.11 R)
• M25: 35,986,366 km (0.099 R)
• M26: 36,703,090 km (0.115 R)
• M27: 41,360,221 km (0.056 R)
• M28: 45,724,440 km (0.119 R)
• M29: 48,798,377 km (0.1 R)
• M30: 49,852,892 km (0.075 R)
• M31: 73,107,731 km (0.095 R)
• M32: 74,025,664 km (0.221 R)
• M33: 78,251,505 km (0.032 R)
• M34: 80,423,516 km (0.082 R)
• M35: 81,893,614 km (0.097 R)
• M36: 82,883,503 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 11,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit