🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.39 AU - 1.53 AU

Year: 623 Days

Day: 30.2 Hours

Environment

Temp: -5 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.48 AU - 1.6 AU

Year: 675 Days

Day: 47.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 171.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 57,424,815 km

• M1: 914,492 km (0.115 R)
• M2: 1,175,839 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.82 AU - 2.76 AU

Year: 1224 Days

Day: 33.5 Hours

Environment

Temp: -67 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.5

Radius: 14.8

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.75 AU - 8.31 AU

Year: 6582 Days

Day: 8.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 57,424,815 km

• M1: 417,976 km (0.03 R)
• M2: 644,767 km (0.077 R)
• M3: 1,330,523 km (0.1 R)
• M4: 1,743,713 km (0.051 R)
• M5: 1,936,096 km (0.089 R)
• M6: 2,035,129 km (0.057 R)
• M7: 2,135,809 km (0.118 R)
• M8: 2,300,666 km (0.12 R)
• M9: 2,798,976 km (0.049 R)
• M10: 3,118,816 km (0.045 R)
• M11: 3,426,838 km (0.062 R)
• M12: 3,523,628 km (0.111 R)
• M13: 3,819,682 km (0.077 R)
• M14: 4,253,067 km (0.106 R)
• M15: 4,542,091 km (0.071 R)
• M16: 4,919,376 km (0.106 R)
• M17: 5,532,877 km (0.071 R)
• M18: 5,819,956 km (0.061 R)
• M19: 5,965,365 km (0.08 R)
• M20: 6,111,971 km (0.061 R)
• M21: 7,109,639 km (0.086 R)
• M22: 7,234,104 km (0.075 R)
• M23: 7,390,584 km (0.058 R)
• M24: 7,485,129 km (0.118 R)
• M25: 7,579,975 km (0.086 R)
• M26: 8,353,545 km (0.048 R)
• M27: 8,683,408 km (0.106 R)
• M28: 9,220,166 km (0.042 R)
• M29: 9,733,137 km (0.081 R)
• M30: 9,906,221 km (0.096 R)
• M31: 11,218,793 km (0.105 R)
• M32: 11,729,819 km (0.115 R)
• M33: 12,888,156 km (0.073 R)
• M34: 13,346,524 km (0.105 R)
• M35: 14,004,754 km (0.057 R)
• M36: 14,161,234 km (0.105 R)
• M37: 14,278,967 km (0.064 R)
• M38: 14,753,192 km (0.083 R)
• M39: 15,112,227 km (0.087 R)
• M40: 15,393,621 km (0.102 R)
• M41: 15,961,345 km (0.113 R)
• M42: 16,124,855 km (0.087 R)
• M43: 16,453,522 km (0.078 R)
• M44: 16,742,994 km (0.102 R)
• M45: 16,867,459 km (0.092 R)
• M46: 17,242,950 km (0.056 R)
• M47: 17,368,762 km (0.094 R)
• M48: 17,494,873 km (0.117 R)
• M49: 18,428,962 km (0.104 R)
• M50: 18,858,906 km (0.087 R)
• M51: 19,205,225 km (0.101 R)
• M52: 19,772,650 km (0.091 R)
• M53: 20,700,755 km (0.109 R)
• M54: 21,237,512 km (0.052 R)
• M55: 22,279,162 km (0.06 R)
• M56: 22,691,304 km (0.082 R)
• M57: 24,176,961 km (0.102 R)
• M58: 24,411,979 km (0.092 R)
• M59: 24,884,259 km (0.063 R)
• M60: 25,026,527 km (0.104 R)
• M61: 25,216,666 km (0.117 R)
• M62: 25,550,568 km (0.083 R)
• M63: 25,837,796 km (0.12 R)
• M64: 26,222,712 km (0.1 R)
• M65: 26,997,928 km (0.119 R)
• M66: 27,144,234 km (0.029 R)
• M67: 27,879,209 km (0.092 R)
• M68: 28,224,481 km (0.106 R)
• M69: 29,318,789 km (0.063 R)
• M70: 30,022,497 km (0.108 R)
• M71: 30,579,301 km (0.111 R)
• M72: 30,935,344 km (0.089 R)
• M73: 31,088,382 km (0.074 R)
• M74: 31,190,558 km (0.117 R)
• M75: 32,528,860 km (0.055 R)
• M76: 33,309,462 km (0.094 R)
• M77: 33,833,354 km (0.057 R)
• M78: 33,991,030 km (0.112 R)
• M79: 34,571,320 km (0.101 R)
• M80: 35,367,929 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213

Radius: 7.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 12.85 AU - 20.01 AU

Year: 23516 Days

Day: 21.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 57,424,815 km

• M1: 97,538 km (0.115 R)
• M2: 171,140 km (0.067 R)
• M3: 282,890 km (0.117 R)
• M4: 487,390 km (0.071 R)
• M5: 554,410 km (0.107 R)
• M6: 698,622 km (0.08 R)
• M7: 875,896 km (0.112 R)
• M8: 959,521 km (0.095 R)
• M9: 1,296,864 km (0.097 R)
• M10: 1,721,722 km (0.096 R)
• M11: 1,990,848 km (0.111 R)
• M12: 2,102,299 km (0.102 R)
• M13: 2,659,850 km (0.104 R)
• M14: 2,907,883 km (0.114 R)
• M15: 3,459,600 km (0.11 R)
• M16: 3,903,308 km (0.107 R)
• M17: 5,185,062 km (0.107 R)
• M18: 5,416,939 km (0.118 R)
• M19: 5,573,418 km (0.108 R)
• M20: 6,214,296 km (0.04 R)
• M21: 6,378,255 km (0.039 R)
• M22: 6,920,697 km (0.113 R)
• M23: 7,133,275 km (0.081 R)
• M24: 7,740,044 km (0.11 R)
• M25: 7,872,139 km (0.05 R)
• M26: 8,408,448 km (0.116 R)
• M27: 8,544,282 km (0.087 R)
• M28: 8,956,425 km (0.094 R)
• M29: 9,095,102 km (0.085 R)
• M30: 9,281,351 km (0.114 R)
• M31: 9,799,857 km (0.115 R)
• M32: 11,713,064 km (0.118 R)
• M33: 12,789,720 km (0.032 R)
• M34: 13,472,036 km (0.085 R)
• M35: 13,737,572 km (0.092 R)
• M36: 14,219,876 km (0.115 R)
• M37: 14,436,195 km (0.12 R)
• M38: 14,598,957 km (0.063 R)
• M39: 14,871,824 km (0.102 R)
• M40: 15,036,232 km (0.045 R)
• M41: 15,811,747 km (0.104 R)
• M42: 16,204,441 km (0.078 R)
• M43: 18,040,007 km (0.118 R)
• M44: 18,863,693 km (0.082 R)
• M45: 20,061,374 km (0.095 R)
• M46: 22,466,758 km (0.118 R)
• M47: 22,529,739 km (0.119 R)
• M48: 22,781,811 km (0.063 R)
• M49: 22,844,941 km (0.108 R)
• M50: 23,288,649 km (0.079 R)
• M51: 23,607,442 km (0.094 R)
• M52: 25,681,317 km (0.118 R)
• M53: 26,010,582 km (0.091 R)
• M54: 28,083,111 km (0.042 R)
• M55: 28,354,481 km (0.091 R)
• M56: 28,763,033 km (0.094 R)
• M57: 29,242,045 km (0.066 R)
• M58: 29,654,936 km (0.105 R)
• M59: 30,000,357 km (0.097 R)
• M60: 30,277,562 km (0.043 R)
• M61: 30,904,676 km (0.079 R)
• M62: 31,114,712 km (0.113 R)
• M63: 32,740,242 km (0.114 R)
• M64: 33,168,840 km (0.112 R)
• M65: 34,248,488 km (0.102 R)
• M66: 36,146,885 km (0.07 R)
• M67: 37,705,096 km (0.12 R)
• M68: 38,304,385 km (0.062 R)
• M69: 38,454,731 km (0.114 R)
• M70: 40,273,991 km (0.085 R)
• M71: 40,886,594 km (0.063 R)
• M72: 41,194,018 km (0.11 R)
• M73: 43,211,195 km (0.026 R)
• M74: 43,289,435 km (0.117 R)
• M75: 43,916,998 km (0.1 R)
• M76: 46,858,092 km (0.057 R)
• M77: 47,421,627 km (0.096 R)
• M78: 48,555,430 km (0.068 R)
• M79: 49,289,058 km (0.057 R)
• M80: 49,862,167 km (0.08 R)
• M81: 50,190,684 km (0.077 R)
• M82: 50,437,520 km (0.086 R)
• M83: 53,935,418 km (0.108 R)
• M84: 54,441,508 km (0.074 R)
• M85: 55,118,737 km (0.082 R)
• M86: 57,338,769 km (0.099 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 17,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit