🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.5 AU - 0.58 AU

Year: 256 Days

Day: 29.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 46.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.6

Radius: 11.4

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.88 AU - 0.98 AU

Year: 579 Days

Day: 9.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 32,728,095 km

• M1: 159,621 km (0.038 R)
• M2: 242,049 km (0.085 R)
• M3: 332,107 km (0.067 R)
• M4: 428,897 km (0.096 R)
• M5: 510,727 km (0.051 R)
• M6: 594,951 km (0.12 R)
• M7: 742,903 km (0.103 R)
• M8: 817,253 km (0.044 R)
• M9: 904,170 km (0.057 R)
• M10: 994,676 km (0.063 R)
• M11: 1,093,710 km (0.098 R)
• M12: 1,190,799 km (0.091 R)
• M13: 1,388,418 km (0.109 R)
• M14: 1,464,713 km (0.117 R)
• M15: 1,584,840 km (0.096 R)
• M16: 1,658,741 km (0.056 R)
• M17: 1,733,690 km (0.114 R)
• M18: 1,822,700 km (0.066 R)
• M19: 1,900,342 km (0.083 R)
• M20: 2,012,091 km (0.059 R)
• M21: 2,092,425 km (0.062 R)
• M22: 2,167,075 km (0.092 R)
• M23: 2,249,653 km (0.063 R)
• M24: 2,361,253 km (0.093 R)
• M25: 2,804,212 km (0.045 R)
• M26: 2,902,049 km (0.1 R)
• M27: 3,016,342 km (0.039 R)
• M28: 3,186,734 km (0.045 R)
• M29: 3,265,273 km (0.103 R)
• M30: 3,496,850 km (0.084 R)
• M31: 3,586,011 km (0.048 R)
• M32: 3,692,524 km (0.106 R)
• M33: 3,800,085 km (0.075 R)
• M34: 3,984,539 km (0.037 R)
• M35: 4,120,524 km (0.088 R)
• M36: 4,214,920 km (0.07 R)
• M37: 4,440,962 km (0.112 R)
• M38: 4,537,902 km (0.078 R)
• M39: 4,706,947 km (0.097 R)
• M40: 4,832,759 km (0.106 R)
• M41: 4,950,642 km (0.12 R)
• M42: 5,282,301 km (0.085 R)
• M43: 5,413,199 km (0.118 R)
• M44: 5,498,021 km (0.114 R)
• M45: 5,802,901 km (0.072 R)
• M46: 5,937,988 km (0.045 R)
• M47: 6,201,729 km (0.029 R)
• M48: 6,320,211 km (0.115 R)
• M49: 6,399,498 km (0.034 R)
• M50: 6,589,487 km (0.066 R)
• M51: 6,679,994 km (0.082 R)
• M52: 6,781,122 km (0.113 R)
• M53: 6,882,848 km (0.032 R)
• M54: 6,954,356 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.9

Radius: 8.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.09 AU - 1.35 AU

Year: 870 Days

Day: 14.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 32,728,095 km

• M1: 112,198 km (0.079 R)
• M2: 185,801 km (0.112 R)
• M3: 255,064 km (0.077 R)
• M4: 344,075 km (0.116 R)
• M5: 406,009 km (0.096 R)
• M6: 480,359 km (0.102 R)
• M7: 543,639 km (0.062 R)
• M8: 618,587 km (0.053 R)
• M9: 684,111 km (0.113 R)
• M10: 752,178 km (0.055 R)
• M11: 832,363 km (0.077 R)
• M12: 955,781 km (0.101 R)
• M13: 1,022,501 km (0.075 R)
• M14: 1,339,799 km (0.054 R)
• M15: 1,473,988 km (0.106 R)
• M16: 1,594,564 km (0.079 R)
• M17: 1,749,846 km (0.082 R)
• M18: 1,813,276 km (0.08 R)
• M19: 1,903,633 km (0.085 R)
• M20: 2,015,383 km (0.118 R)
• M21: 2,115,763 km (0.1 R)
• M22: 2,231,701 km (0.057 R)
• M23: 2,441,288 km (0.118 R)
• M24: 2,541,369 km (0.072 R)
• M25: 2,642,946 km (0.083 R)
• M26: 2,745,719 km (0.092 R)
• M27: 2,849,989 km (0.096 R)
• M28: 2,963,085 km (0.097 R)
• M29: 3,023,971 km (0.058 R)
• M30: 3,186,135 km (0.064 R)
• M31: 3,248,518 km (0.094 R)
• M32: 3,422,650 km (0.101 R)
• M33: 3,632,236 km (0.116 R)
• M34: 3,705,838 km (0.083 R)
• M35: 3,821,178 km (0.08 R)
• M36: 3,929,487 km (0.075 R)
• M37: 4,089,557 km (0.048 R)
• M38: 4,208,936 km (0.12 R)
• M39: 4,320,686 km (0.108 R)
• M40: 4,416,129 km (0.084 R)
• M41: 4,556,302 km (0.056 R)
• M42: 4,840,987 km (0.087 R)
• M43: 5,003,600 km (0.11 R)
• M44: 5,521,209 km (0.077 R)
• M45: 5,776,871 km (0.108 R)
• M46: 5,911,061 km (0.081 R)
• M47: 6,055,871 km (0.032 R)
• M48: 6,123,938 km (0.073 R)
• M49: 6,368,980 km (0.083 R)
• M50: 6,527,404 km (0.117 R)
• M51: 6,587,243 km (0.054 R)
• M52: 6,737,439 km (0.03 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.8

Radius: 7.5

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.34 AU - 7.56 AU

Year: 11830 Days

Day: 15.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 32,728,095 km

• M1: 125,961 km (0.08 R)
• M2: 214,673 km (0.03 R)
• M3: 306,975 km (0.095 R)
• M4: 469,139 km (0.065 R)
• M5: 697,724 km (0.118 R)
• M6: 859,589 km (0.12 R)
• M7: 1,156,392 km (0.077 R)
• M8: 1,316,461 km (0.026 R)
• M9: 1,676,244 km (0.08 R)
• M10: 1,748,201 km (0.115 R)
• M11: 1,895,255 km (0.032 R)
• M12: 2,240,976 km (0.104 R)
• M13: 2,400,896 km (0.049 R)
• M14: 2,753,498 km (0.093 R)
• M15: 3,056,135 km (0.099 R)
• M16: 3,122,407 km (0.06 R)
• M17: 3,506,873 km (0.108 R)
• M18: 3,763,733 km (0.06 R)
• M19: 3,834,792 km (0.113 R)
• M20: 3,978,406 km (0.113 R)
• M21: 4,172,584 km (0.094 R)
• M22: 4,270,870 km (0.049 R)
• M23: 4,345,220 km (0.103 R)
• M24: 4,394,886 km (0.092 R)
• M25: 6,764,068 km (0.087 R)
• M26: 6,821,813 km (0.08 R)
• M27: 7,054,437 km (0.11 R)
• M28: 7,230,663 km (0.111 R)
• M29: 7,378,616 km (0.057 R)
• M30: 7,677,662 km (0.112 R)
• M31: 7,768,169 km (0.041 R)
• M32: 7,828,606 km (0.091 R)
• M33: 8,072,301 km (0.117 R)
• M34: 8,287,423 km (0.113 R)
• M35: 8,692,235 km (0.026 R)
• M36: 8,881,177 km (0.096 R)
• M37: 9,007,886 km (0.115 R)
• M38: 9,650,708 km (0.085 R)
• M39: 9,715,783 km (0.074 R)
• M40: 10,109,375 km (0.044 R)
• M41: 10,743,221 km (0.108 R)
• M42: 10,810,690 km (0.104 R)
• M43: 12,084,366 km (0.037 R)
• M44: 13,187,501 km (0.105 R)
• M45: 13,732,785 km (0.112 R)
• M46: 14,285,400 km (0.099 R)
• M47: 14,620,499 km (0.102 R)
• M48: 14,920,592 km (0.093 R)
• M49: 15,222,631 km (0.047 R)
• M50: 15,909,734 km (0.068 R)
• M51: 15,986,627 km (0.109 R)
• M52: 17,711,042 km (0.118 R)
• M53: 17,990,790 km (0.096 R)
• M54: 18,191,550 km (0.106 R)
• M55: 18,393,058 km (0.11 R)
• M56: 20,114,331 km (0.111 R)
• M57: 20,197,508 km (0.029 R)
• M58: 20,280,983 km (0.092 R)
• M59: 20,783,483 km (0.114 R)
• M60: 20,867,706 km (0.104 R)
• M61: 22,186,711 km (0.09 R)
• M62: 22,401,982 km (0.106 R)
• M63: 23,182,584 km (0.117 R)
• M64: 23,401,146 km (0.057 R)
• M65: 24,060,574 km (0.089 R)
• M66: 25,217,863 km (0.119 R)
• M67: 25,622,824 km (0.106 R)
• M68: 26,712,944 km (0.117 R)
• M69: 27,957,299 km (0.109 R)
• M70: 28,050,349 km (0.117 R)
• M71: 28,422,997 km (0.071 R)
• M72: 29,267,776 km (0.119 R)
• M73: 29,503,842 km (0.101 R)
• M74: 29,551,115 km (0.035 R)
• M75: 30,837,656 km (0.111 R)
• M76: 30,933,698 km (0.118 R)
• M77: 31,318,763 km (0.092 R)
• M78: 31,367,083 km (0.085 R)
• M79: 31,753,943 km (0.11 R)
• M80: 32,288,456 km (0.115 R)
• M81: 32,337,225 km (0.067 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 14,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit