🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.9

Radius: 13.3

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.51 AU - 0.65 AU

Year: 305 Days

Day: 8.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,133,674 km

• M1: 165,455 km (0.113 R)
• M2: 597,494 km (0.089 R)
• M3: 1,041,201 km (0.098 R)
• M4: 1,511,686 km (0.047 R)
• M5: 1,961,378 km (0.099 R)
• M6: 2,493,348 km (0.063 R)
• M7: 2,912,970 km (0.073 R)
• M8: 3,390,636 km (0.076 R)
• M9: 3,966,139 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.1

Radius: 11.6

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.55 AU - 0.69 AU

Year: 337 Days

Day: 10.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,133,674 km

• M1: 144,362 km (0.03 R)
• M2: 505,641 km (0.104 R)
• M3: 925,562 km (0.092 R)
• M4: 1,328,878 km (0.116 R)
• M5: 2,086,741 km (0.049 R)
• M6: 2,491,553 km (0.103 R)
• M7: 2,882,901 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.9

Radius: 10.2

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.53 AU - 2.39 AU

Year: 1894 Days

Day: 13.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,133,674 km

• M1: 126,859 km (0.093 R)
• M2: 569,220 km (0.061 R)
• M3: 896,091 km (0.095 R)
• M4: 1,723,068 km (0.053 R)
• M5: 2,657,307 km (0.09 R)
• M6: 3,082,763 km (0.1 R)
• M7: 4,620,480 km (0.116 R)
• M8: 5,514,028 km (0.09 R)
• M9: 6,117,057 km (0.085 R)
• M10: 8,164,453 km (0.061 R)
• M11: 10,869,183 km (0.031 R)
• M12: 11,673,720 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.2

Radius: 6.5

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.29 AU - 7.59 AU

Year: 11281 Days

Day: 17.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,133,674 km

• M1: 82,578 km (0.056 R)
• M2: 287,228 km (0.11 R)
• M3: 537,356 km (0.08 R)
• M4: 1,155,344 km (0.068 R)
• M5: 1,701,676 km (0.083 R)
• M6: 1,967,062 km (0.065 R)
• M7: 3,154,869 km (0.119 R)
• M8: 3,387,644 km (0.109 R)
• M9: 4,294,506 km (0.099 R)
• M10: 4,880,331 km (0.105 R)
• M11: 5,685,766 km (0.087 R)
• M12: 6,727,566 km (0.079 R)
• M13: 7,233,655 km (0.11 R)
• M14: 7,975,810 km (0.094 R)
• M15: 12,065,667 km (0.03 R)
• M16: 12,521,491 km (0.091 R)
• M17: 16,520,990 km (0.086 R)
• M18: 17,440,569 km (0.036 R)
• M19: 17,949,800 km (0.08 R)
• M20: 18,393,956 km (0.082 R)
• M21: 22,131,210 km (0.046 R)
• M22: 23,953,312 km (0.092 R)
• M23: 24,221,541 km (0.081 R)
• M24: 31,170,212 km (0.087 R)
• M25: 31,811,987 km (0.103 R)
• M26: 34,467,200 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182

Radius: 6.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.27 AU - 7.29 AU

Year: 13558 Days

Day: 20.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,133,674 km

• M1: 85,869 km (0.096 R)
• M2: 449,990 km (0.119 R)
• M3: 1,192,145 km (0.103 R)
• M4: 2,546,156 km (0.114 R)
• M5: 2,871,531 km (0.091 R)
• M6: 4,016,553 km (0.108 R)
• M7: 10,282,759 km (0.076 R)
• M8: 24,885,007 km (0.06 R)
• M9: 25,142,615 km (0.042 R)
• M10: 26,101,836 km (0.064 R)
• M11: 27,176,099 km (0.082 R)
• M12: 31,969,963 km (0.096 R)
• M13: 35,316,617 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.9

Radius: 5.9

Gravity: 24.59 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.69 AU - 10.37 AU

Year: 21926 Days

Day: 20.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,133,674 km

• M1: 74,649 km (0.067 R)
• M2: 297,251 km (0.107 R)
• M3: 1,105,229 km (0.09 R)
• M4: 1,450,052 km (0.075 R)
• M5: 2,153,013 km (0.11 R)
• M6: 2,354,222 km (0.12 R)
• M7: 3,007,216 km (0.115 R)
• M8: 4,964,555 km (0.119 R)
• M9: 5,479,770 km (0.072 R)
• M10: 6,616,115 km (0.061 R)
• M11: 6,803,861 km (0.104 R)
• M12: 7,693,669 km (0.045 R)
• M13: 8,328,263 km (0.04 R)
• M14: 9,462,813 km (0.092 R)
• M15: 13,256,017 km (0.1 R)
• M16: 14,956,646 km (0.082 R)
• M17: 15,199,293 km (0.057 R)
• M18: 16,196,363 km (0.094 R)
• M19: 19,067,146 km (0.12 R)
• M20: 20,324,367 km (0.067 R)
• M21: 22,050,577 km (0.076 R)
• M22: 22,576,263 km (0.085 R)
• M23: 26,611,217 km (0.046 R)
• M24: 27,087,238 km (0.075 R)
• M25: 27,447,918 km (0.037 R)
• M26: 29,173,679 km (0.097 R)
• M27: 30,839,900 km (0.06 R)
• M28: 32,298,479 km (0.093 R)
• M29: 32,568,504 km (0.09 R)
• M30: 33,387,552 km (0.025 R)
• M31: 39,974,346 km (0.04 R)
• M32: 50,033,457 km (0.092 R)
• M33: 52,788,002 km (0.118 R)
• M34: 53,350,789 km (0.085 R)
• M35: 58,797,798 km (0.111 R)
• M36: 62,697,814 km (0.109 R)
• M37: 63,118,184 km (0.095 R)
• M38: 63,752,180 km (0.076 R)
• M39: 84,292,117 km (0.086 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: 368 - 16,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit