🌌 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 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.42 AU - 0.64 AU

Year: 253 Days

Day: 47.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.3

Radius: 14.2

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.62 AU - 0.88 AU

Year: 426 Days

Day: 11.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,797,937 km

• M1: 182,210 km (0.083 R)
• M2: 336,146 km (0.104 R)
• M3: 466,596 km (0.103 R)
• M4: 630,405 km (0.119 R)
• M5: 736,770 km (0.072 R)
• M6: 836,252 km (0.1 R)
• M7: 970,441 km (0.077 R)
• M8: 1,084,734 km (0.114 R)
• M9: 1,178,532 km (0.06 R)
• M10: 1,341,444 km (0.104 R)
• M11: 1,463,815 km (0.041 R)
• M12: 1,572,274 km (0.12 R)
• M13: 1,669,213 km (0.086 R)
• M14: 1,877,004 km (0.099 R)
• M15: 1,980,227 km (0.115 R)
• M16: 2,073,875 km (0.037 R)
• M17: 2,164,980 km (0.101 R)
• M18: 2,326,845 km (0.082 R)
• M19: 2,425,879 km (0.087 R)
• M20: 2,581,610 km (0.082 R)
• M21: 2,705,926 km (0.088 R)
• M22: 2,806,157 km (0.094 R)
• M23: 2,996,894 km (0.111 R)
• M24: 3,105,203 km (0.102 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.5

Radius: 3.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.42 AU - 6.52 AU

Year: 9569 Days

Day: 23.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 27,797,937 km

• M1: 51,013 km (0.114 R)
• M2: 97,687 km (0.055 R)
• M3: 138,827 km (0.113 R)
• M4: 197,170 km (0.026 R)
• M5: 253,718 km (0.118 R)
• M6: 281,244 km (0.076 R)
• M7: 977,323 km (0.047 R)
• M8: 1,040,603 km (0.064 R)
• M9: 1,396,945 km (0.083 R)
• M10: 1,447,808 km (0.117 R)
• M11: 1,583,045 km (0.085 R)
• M12: 1,678,937 km (0.094 R)
• M13: 1,733,091 km (0.055 R)
• M14: 1,776,924 km (0.054 R)
• M15: 2,081,804 km (0.062 R)
• M16: 2,128,479 km (0.098 R)
• M17: 2,258,329 km (0.056 R)
• M18: 2,378,606 km (0.112 R)
• M19: 2,464,027 km (0.039 R)
• M20: 2,663,141 km (0.114 R)
• M21: 2,726,421 km (0.105 R)
• M22: 3,524,376 km (0.099 R)
• M23: 3,706,138 km (0.045 R)
• M24: 4,151,939 km (0.081 R)
• M25: 4,225,541 km (0.097 R)
• M26: 4,344,023 km (0.112 R)
• M27: 4,660,273 km (0.075 R)
• M28: 4,782,644 km (0.083 R)
• M29: 4,952,737 km (0.081 R)
• M30: 5,109,066 km (0.081 R)
• M31: 5,458,677 km (0.069 R)
• M32: 5,506,997 km (0.055 R)
• M33: 6,349,233 km (0.109 R)
• M34: 6,485,068 km (0.105 R)
• M35: 6,536,230 km (0.095 R)
• M36: 6,863,251 km (0.093 R)
• M37: 8,003,636 km (0.075 R)
• M38: 8,058,538 km (0.119 R)
• M39: 8,334,845 km (0.102 R)
• M40: 8,745,641 km (0.055 R)
• M41: 8,991,580 km (0.105 R)
• M42: 9,220,465 km (0.047 R)
• M43: 9,412,848 km (0.11 R)
• M44: 9,958,281 km (0.096 R)
• M45: 10,573,877 km (0.116 R)
• M46: 10,977,641 km (0.09 R)
• M47: 11,038,677 km (0.094 R)
• M48: 12,197,911 km (0.097 R)
• M49: 12,430,087 km (0.097 R)
• M50: 12,877,534 km (0.118 R)
• M51: 12,920,319 km (0.045 R)
• M52: 13,460,368 km (0.078 R)
• M53: 13,547,434 km (0.117 R)
• M54: 13,612,957 km (0.056 R)
• M55: 13,809,828 km (0.101 R)
• M56: 14,184,571 km (0.087 R)
• M57: 14,295,273 km (0.077 R)
• M58: 15,079,017 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.6

Radius: 6.3

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 10.09 AU - 10.71 AU

Year: 22002 Days

Day: 21.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 27,797,937 km

• M1: 88,113 km (0.12 R)
• M2: 495,917 km (0.073 R)
• M3: 559,047 km (0.113 R)
• M4: 839,244 km (0.068 R)
• M5: 1,131,259 km (0.12 R)
• M6: 1,704,817 km (0.096 R)
• M7: 1,953,150 km (0.045 R)
• M8: 2,107,684 km (0.107 R)
• M9: 2,319,964 km (0.098 R)
• M10: 2,392,220 km (0.116 R)
• M11: 3,076,331 km (0.053 R)
• M12: 3,795,747 km (0.103 R)
• M13: 4,097,635 km (0.074 R)
• M14: 4,564,979 km (0.117 R)
• M15: 5,549,632 km (0.088 R)
• M16: 8,307,020 km (0.069 R)
• M17: 8,445,997 km (0.071 R)
• M18: 8,585,871 km (0.12 R)
• M19: 10,293,231 km (0.062 R)
• M20: 10,925,581 km (0.058 R)
• M21: 11,169,725 km (0.061 R)
• M22: 11,539,381 km (0.109 R)
• M23: 11,632,431 km (0.115 R)
• M24: 12,322,526 km (0.049 R)
• M25: 12,576,693 km (0.116 R)
• M26: 13,187,351 km (0.084 R)
• M27: 13,741,911 km (0.072 R)
• M28: 14,005,502 km (0.11 R)
• M29: 14,270,739 km (0.105 R)
• M30: 14,537,771 km (0.102 R)
• M31: 15,828,053 km (0.052 R)
• M32: 16,417,170 km (0.039 R)
• M33: 16,486,882 km (0.102 R)
• M34: 16,556,744 km (0.058 R)
• M35: 16,978,162 km (0.119 R)
• M36: 17,688,153 km (0.105 R)
• M37: 18,335,463 km (0.077 R)
• M38: 19,100,357 km (0.095 R)
• M39: 20,736,658 km (0.05 R)
• M40: 21,114,692 km (0.083 R)
• M41: 21,342,679 km (0.103 R)
• M42: 21,993,131 km (0.062 R)
• M43: 22,611,120 km (0.075 R)
• M44: 23,745,820 km (0.056 R)
• M45: 24,459,252 km (0.095 R)
• M46: 25,220,107 km (0.104 R)
• M47: 25,421,615 km (0.092 R)
• M48: 25,785,736 km (0.025 R)
• M49: 25,988,740 km (0.095 R)
• M50: 26,355,405 km (0.114 R)
• M51: 26,682,875 km (0.113 R)
• M52: 27,300,415 km (0.03 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 13,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit