🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.6

Radius: 13.1

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.74 AU - 0.98 AU

Year: 523 Days

Day: 6.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 97,059,154 km

• M1: 162,912 km (0.079 R)
• M2: 602,431 km (0.045 R)
• M3: 1,114,953 km (0.066 R)
• M4: 1,732,493 km (0.039 R)
• M5: 2,389,976 km (0.1 R)
• M6: 3,286,516 km (0.06 R)
• M7: 3,727,680 km (0.077 R)
• M8: 4,315,001 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.2

Radius: 12

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.08 AU - 1.72 AU

Year: 1087 Days

Day: 5.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 97,059,154 km

• M1: 157,227 km (0.102 R)
• M2: 672,742 km (0.104 R)
• M3: 1,047,185 km (0.052 R)
• M4: 1,426,117 km (0.108 R)
• M5: 1,941,481 km (0.12 R)
• M6: 2,355,718 km (0.083 R)
• M7: 3,586,459 km (0.054 R)
• M8: 4,367,061 km (0.083 R)
• M9: 4,806,280 km (0.112 R)
• M10: 5,449,850 km (0.103 R)
• M11: 5,848,080 km (0.098 R)
• M12: 6,482,225 km (0.086 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.3

Radius: 4.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.91 AU - 8.15 AU

Year: 13555 Days

Day: 17.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 97,059,154 km

• M1: 51,910 km (0.072 R)
• M2: 395,686 km (0.047 R)
• M3: 534,812 km (0.059 R)
• M4: 852,558 km (0.057 R)
• M5: 1,155,793 km (0.079 R)
• M6: 2,101,700 km (0.11 R)
• M7: 4,011,168 km (0.112 R)
• M8: 4,193,976 km (0.041 R)
• M9: 4,478,511 km (0.043 R)
• M10: 6,907,233 km (0.102 R)
• M11: 7,856,431 km (0.091 R)
• M12: 8,547,873 km (0.079 R)
• M13: 9,967,856 km (0.115 R)
• M14: 13,929,507 km (0.09 R)
• M15: 14,348,979 km (0.056 R)
• M16: 17,463,756 km (0.033 R)
• M17: 18,763,014 km (0.077 R)
• M18: 19,017,629 km (0.032 R)
• M19: 22,042,498 km (0.115 R)
• M20: 22,325,986 km (0.082 R)
• M21: 22,972,548 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.1

Radius: 5.8

Gravity: 20.78 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.59 AU - 12.35 AU

Year: 22224 Days

Day: 22.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 97,059,154 km

• M1: 72,106 km (0.075 R)
• M2: 699,968 km (0.057 R)
• M3: 1,019,958 km (0.105 R)
• M4: 1,235,828 km (0.111 R)
• M5: 1,565,991 km (0.097 R)
• M6: 2,054,128 km (0.069 R)
• M7: 5,814,720 km (0.116 R)
• M8: 6,831,237 km (0.115 R)
• M9: 7,858,227 km (0.034 R)
• M10: 9,440,074 km (0.118 R)
• M11: 12,930,492 km (0.11 R)
• M12: 13,364,775 km (0.069 R)
• M13: 13,883,580 km (0.076 R)
• M14: 24,548,711 km (0.069 R)
• M15: 27,876,965 km (0.053 R)
• M16: 29,836,099 km (0.066 R)
• M17: 35,131,714 km (0.072 R)
• M18: 40,251,252 km (0.116 R)
• M19: 52,666,978 km (0.113 R)
• M20: 66,548,762 km (0.029 R)
• M21: 67,408,352 km (0.098 R)
• M22: 78,786,167 km (0.116 R)
• M23: 82,186,976 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.3

Radius: 5.8

Gravity: 28.72 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.66 AU - 11.54 AU

Year: 24260 Days

Day: 20.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 97,059,154 km

• M1: 72,106 km (0.112 R)
• M2: 290,220 km (0.057 R)
• M3: 1,118,992 km (0.063 R)
• M4: 1,897,499 km (0.069 R)
• M5: 2,133,415 km (0.089 R)
• M6: 4,559,594 km (0.118 R)
• M7: 5,914,202 km (0.114 R)
• M8: 6,186,620 km (0.071 R)
• M9: 7,837,133 km (0.109 R)
• M10: 9,328,923 km (0.104 R)
• M11: 10,532,139 km (0.108 R)
• M12: 11,764,227 km (0.104 R)
• M13: 11,978,601 km (0.112 R)
• M14: 13,242,703 km (0.052 R)
• M15: 14,593,123 km (0.063 R)
• M16: 14,840,707 km (0.028 R)
• M17: 18,414,301 km (0.1 R)
• M18: 19,688,875 km (0.102 R)
• M19: 20,092,640 km (0.113 R)
• M20: 21,337,144 km (0.096 R)
• M21: 21,656,087 km (0.093 R)
• M22: 26,953,796 km (0.107 R)
• M23: 28,082,512 km (0.09 R)
• M24: 31,519,523 km (0.088 R)
• M25: 33,768,279 km (0.025 R)
• M26: 34,056,703 km (0.11 R)
• M27: 36,726,726 km (0.114 R)
• M28: 37,031,756 km (0.114 R)
• M29: 40,337,420 km (0.072 R)
• M30: 41,646,701 km (0.074 R)
• M31: 42,479,213 km (0.03 R)
• M32: 68,675,745 km (0.076 R)
• M33: 70,775,650 km (0.082 R)
• M34: 74,614,032 km (0.11 R)
• M35: 76,088,319 km (0.041 R)
• M36: 76,584,087 km (0.068 R)
• M37: 78,336,177 km (0.111 R)
• M38: 79,095,237 km (0.085 R)
• M39: 80,628,016 km (0.093 R)
• M40: 83,226,382 km (0.101 R)
• M41: 91,076,380 km (0.045 R)
• M42: 91,915,625 km (0.067 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: 260 - 18,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit