🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.54 AU - 0.66 AU

Year: 174 Days

Day: 32.2 Hours

Environment

Temp: 163 °C

Axial Tilt: 21.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.2 AU - 1.4 AU

Year: 555 Days

Day: 20.5 Hours

Environment

Temp: -34 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.89 AU - 3.15 AU

Year: 1967 Days

Day: 27.2 Hours

Environment

Temp: -106 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 18,672,321 km

• M1: 888,312 km (0.044 R)
• M2: 2,065,348 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.4

Radius: 11.3

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.36 AU - 5.54 AU

Year: 3518 Days

Day: 11.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 18,672,321 km

• M1: 177,124 km (0.087 R)
• M2: 593,455 km (0.05 R)
• M3: 667,805 km (0.089 R)
• M4: 745,895 km (0.096 R)
• M5: 956,080 km (0.102 R)
• M6: 1,198,129 km (0.111 R)
• M7: 1,408,913 km (0.091 R)
• M8: 1,486,255 km (0.088 R)
• M9: 1,881,044 km (0.115 R)
• M10: 2,293,036 km (0.088 R)
• M11: 2,431,564 km (0.1 R)
• M12: 2,509,803 km (0.101 R)
• M13: 2,963,534 km (0.104 R)
• M14: 3,165,940 km (0.07 R)
• M15: 3,338,127 km (0.095 R)
• M16: 3,548,910 km (0.057 R)
• M17: 3,836,737 km (0.049 R)
• M18: 3,965,241 km (0.087 R)
• M19: 4,076,392 km (0.082 R)
• M20: 4,245,139 km (0.049 R)
• M21: 4,531,768 km (0.099 R)
• M22: 4,628,708 km (0.059 R)
• M23: 4,804,934 km (0.119 R)
• M24: 5,164,118 km (0.092 R)
• M25: 5,388,067 km (0.114 R)
• M26: 5,719,426 km (0.099 R)
• M27: 5,972,246 km (0.086 R)
• M28: 6,489,256 km (0.066 R)
• M29: 6,819,569 km (0.098 R)
• M30: 6,953,309 km (0.095 R)
• M31: 7,314,289 km (0.109 R)
• M32: 7,519,986 km (0.085 R)
• M33: 8,054,349 km (0.079 R)
• M34: 8,385,709 km (0.12 R)
• M35: 8,529,173 km (0.093 R)
• M36: 9,013,122 km (0.101 R)
• M37: 9,680,478 km (0.04 R)
• M38: 9,906,521 km (0.094 R)
• M39: 10,517,927 km (0.117 R)
• M40: 10,672,611 km (0.051 R)
• M41: 11,115,271 km (0.12 R)
• M42: 11,299,277 km (0.078 R)
• M43: 11,723,686 km (0.059 R)
• M44: 11,803,721 km (0.071 R)
• M45: 12,234,413 km (0.102 R)
• M46: 12,315,645 km (0.095 R)
• M47: 12,533,459 km (0.109 R)
• M48: 12,834,899 km (0.107 R)
• M49: 13,389,159 km (0.097 R)
• M50: 13,585,132 km (0.066 R)
• M51: 13,923,074 km (0.092 R)
• M52: 14,008,045 km (0.078 R)
• M53: 14,982,676 km (0.045 R)
• M54: 15,127,785 km (0.095 R)
• M55: 15,536,786 km (0.112 R)
• M56: 15,742,633 km (0.119 R)
• M57: 16,097,628 km (0.092 R)
• M58: 16,306,018 km (0.068 R)
• M59: 16,695,272 km (0.095 R)
• M60: 16,906,205 km (0.075 R)
• M61: 16,996,861 km (0.085 R)
• M62: 17,148,254 km (0.106 R)
• M63: 17,361,132 km (0.086 R)
• M64: 17,758,614 km (0.066 R)
• M65: 18,004,702 km (0.12 R)
• M66: 18,159,087 km (0.096 R)
• M67: 18,282,954 km (0.097 R)
• M68: 18,687,317 km (0.093 R)
• M69: 18,906,328 km (0.037 R)
• M70: 19,252,199 km (0.094 R)
• M71: 19,600,163 km (0.109 R)
• M72: 19,790,901 km (0.065 R)
• M73: 19,982,087 km (0.116 R)
• M74: 20,206,035 km (0.107 R)
• M75: 20,947,891 km (0.092 R)
• M76: 21,077,742 km (0.066 R)
• M77: 21,273,116 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.9

Radius: 12.1

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.67 AU - 5.43 AU

Year: 4253 Days

Day: 5.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 18,672,321 km

• M1: 357,539 km (0.118 R)
• M2: 464,501 km (0.112 R)
• M3: 553,961 km (0.051 R)
• M4: 1,028,635 km (0.065 R)
• M5: 1,280,707 km (0.078 R)
• M6: 1,483,263 km (0.111 R)
• M7: 1,624,334 km (0.076 R)
• M8: 1,770,042 km (0.056 R)
• M9: 2,048,743 km (0.109 R)
• M10: 2,140,446 km (0.083 R)
• M11: 2,369,181 km (0.028 R)
• M12: 2,763,521 km (0.094 R)
• M13: 3,103,109 km (0.086 R)
• M14: 3,178,656 km (0.067 R)
• M15: 3,487,575 km (0.097 R)
• M16: 3,757,899 km (0.109 R)
• M17: 4,051,559 km (0.102 R)
• M18: 4,251,571 km (0.108 R)
• M19: 4,335,945 km (0.07 R)
• M20: 4,420,916 km (0.098 R)
• M21: 4,713,679 km (0.081 R)
• M22: 4,924,313 km (0.073 R)
• M23: 5,156,040 km (0.061 R)
• M24: 5,593,165 km (0.043 R)
• M25: 5,704,466 km (0.05 R)
• M26: 5,816,365 km (0.103 R)
• M27: 6,118,553 km (0.116 R)
• M28: 6,194,848 km (0.029 R)
• M29: 6,290,740 km (0.115 R)
• M30: 6,522,916 km (0.117 R)
• M31: 6,698,993 km (0.113 R)
• M32: 6,896,312 km (0.059 R)
• M33: 7,378,167 km (0.06 R)
• M34: 7,459,399 km (0.084 R)
• M35: 7,808,560 km (0.085 R)
• M36: 8,205,294 km (0.048 R)
• M37: 8,289,517 km (0.083 R)
• M38: 8,544,282 km (0.095 R)
• M39: 9,018,208 km (0.065 R)
• M40: 9,148,957 km (0.109 R)
• M41: 9,346,127 km (0.118 R)
• M42: 9,633,654 km (0.101 R)
• M43: 9,879,144 km (0.062 R)
• M44: 9,991,492 km (0.099 R)
• M45: 10,149,468 km (0.104 R)
• M46: 10,399,296 km (0.044 R)
• M47: 11,466,228 km (0.103 R)
• M48: 11,797,886 km (0.113 R)
• M49: 11,940,902 km (0.051 R)
• M50: 12,108,601 km (0.116 R)
• M51: 12,277,198 km (0.117 R)
• M52: 12,665,105 km (0.086 R)
• M53: 12,762,793 km (0.076 R)
• M54: 13,453,337 km (0.092 R)
• M55: 13,778,113 km (0.075 R)
• M56: 14,563,054 km (0.087 R)
• M57: 14,793,584 km (0.083 R)
• M58: 14,870,776 km (0.095 R)
• M59: 15,154,713 km (0.077 R)
• M60: 15,675,613 km (0.053 R)
• M61: 15,780,631 km (0.12 R)
• M62: 15,911,978 km (0.101 R)
• M63: 16,096,731 km (0.12 R)
• M64: 16,282,083 km (0.12 R)
• M65: 16,628,252 km (0.101 R)
• M66: 16,976,815 km (0.069 R)
• M67: 17,381,926 km (0.048 R)
• M68: 17,463,457 km (0.115 R)
• M69: 18,119,444 km (0.058 R)
• M70: 18,533,531 km (0.076 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 11,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit