🌌 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 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.3

Radius: 11.4

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.57 AU - 0.63 AU

Year: 321 Days

Day: 5.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,812,957 km

• M1: 142,118 km (0.072 R)
• M2: 589,266 km (0.109 R)
• M3: 951,592 km (0.05 R)
• M4: 1,367,325 km (0.103 R)
• M5: 1,800,710 km (0.112 R)
• M6: 2,197,443 km (0.114 R)
• M7: 2,554,982 km (0.047 R)
• M8: 3,400,659 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.9

Radius: 8.6

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.5 AU - 0.82 AU

Year: 370 Days

Day: 13.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,812,957 km

• M1: 106,962 km (0.118 R)
• M2: 442,660 km (0.068 R)
• M3: 711,039 km (0.078 R)
• M4: 1,399,937 km (0.115 R)
• M5: 1,763,161 km (0.107 R)
• M6: 2,772,497 km (0.12 R)
• M7: 3,145,594 km (0.075 R)
• M8: 3,637,472 km (0.057 R)
• M9: 3,993,216 km (0.082 R)
• M10: 4,288,971 km (0.096 R)
• M11: 4,628,259 km (0.111 R)
• M12: 4,954,981 km (0.104 R)
• M13: 5,312,968 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.6

Radius: 14

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.6 AU - 2.64 AU

Year: 2927 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 89.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,812,957 km

• M1: 174,282 km (0.111 R)
• M2: 619,634 km (0.067 R)
• M3: 1,366,277 km (0.071 R)
• M4: 1,927,419 km (0.097 R)
• M5: 2,550,793 km (0.074 R)
• M6: 3,897,623 km (0.069 R)
• M7: 4,603,426 km (0.093 R)
• M8: 5,267,939 km (0.091 R)
• M9: 6,356,114 km (0.115 R)
• M10: 9,863,137 km (0.067 R)
• M11: 11,177,205 km (0.101 R)
• M12: 12,923,012 km (0.116 R)
• M13: 14,694,101 km (0.096 R)
• M14: 15,768,513 km (0.086 R)
• M15: 18,016,670 km (0.071 R)
• M16: 18,537,420 km (0.095 R)
• M17: 19,247,412 km (0.081 R)
• M18: 20,346,358 km (0.078 R)
• M19: 20,974,669 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.9

Radius: 12.3

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.68 AU - 3.8 AU

Year: 4026 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,812,957 km

• M1: 153,039 km (0.091 R)
• M2: 864,077 km (0.102 R)
• M3: 1,298,809 km (0.067 R)
• M4: 3,415,170 km (0.107 R)
• M5: 4,030,167 km (0.112 R)
• M6: 4,494,967 km (0.056 R)
• M7: 6,218,035 km (0.046 R)
• M8: 9,984,311 km (0.062 R)
• M9: 11,326,803 km (0.118 R)
• M10: 14,031,831 km (0.112 R)
• M11: 18,083,989 km (0.099 R)
• M12: 19,711,464 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.5

Radius: 12.7

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.78 AU - 4.44 AU

Year: 5751 Days

Day: 6.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,812,957 km

• M1: 158,125 km (0.055 R)
• M2: 1,211,144 km (0.075 R)
• M3: 2,411,368 km (0.09 R)
• M4: 2,914,615 km (0.052 R)
• M5: 7,881,414 km (0.091 R)
• M6: 8,334,995 km (0.078 R)
• M7: 13,883,580 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.1

Radius: 9

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.98 AU - 5.38 AU

Year: 6988 Days

Day: 13.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,812,957 km

• M1: 111,899 km (0.079 R)
• M2: 408,402 km (0.076 R)
• M3: 973,583 km (0.106 R)
• M4: 1,451,548 km (0.106 R)
• M5: 2,002,068 km (0.049 R)
• M6: 2,742,727 km (0.074 R)
• M7: 3,404,698 km (0.065 R)
• M8: 3,726,034 km (0.069 R)
• M9: 4,564,979 km (0.081 R)
• M10: 6,473,698 km (0.096 R)
• M11: 8,278,297 km (0.067 R)
• M12: 10,538,721 km (0.101 R)
• M13: 11,224,927 km (0.111 R)
• M14: 12,740,652 km (0.116 R)
• M15: 13,519,309 km (0.111 R)
• M16: 13,805,041 km (0.072 R)
• M17: 14,329,382 km (0.083 R)
• M18: 14,746,311 km (0.086 R)
• M19: 15,919,009 km (0.103 R)
• M20: 17,895,496 km (0.068 R)
• M21: 18,240,169 km (0.105 R)
• M22: 18,871,622 km (0.101 R)
• M23: 21,777,860 km (0.034 R)
• M24: 25,923,366 km (0.117 R)
• M25: 28,835,887 km (0.111 R)
• M26: 29,309,963 km (0.108 R)
• M27: 30,370,911 km (0.085 R)
• M28: 33,187,091 km (0.104 R)
• M29: 35,735,790 km (0.089 R)
• M30: 36,946,336 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.3

Radius: 14.3

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.86 AU - 5.9 AU

Year: 7441 Days

Day: 13.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,812,957 km

• M1: 180,415 km (0.116 R)
• M2: 663,467 km (0.088 R)
• M3: 1,325,587 km (0.058 R)
• M4: 1,946,268 km (0.114 R)
• M5: 2,794,189 km (0.097 R)
• M6: 4,158,222 km (0.112 R)
• M7: 4,761,999 km (0.118 R)
• M8: 6,630,028 km (0.117 R)
• M9: 7,104,552 km (0.06 R)
• M10: 7,858,825 km (0.117 R)
• M11: 9,069,521 km (0.079 R)
• M12: 10,997,089 km (0.054 R)
• M13: 12,766,981 km (0.046 R)
• M14: 13,828,827 km (0.098 R)
• M15: 15,354,725 km (0.057 R)
• M16: 15,887,443 km (0.1 R)
• M17: 18,340,549 km (0.103 R)
• M18: 18,873,417 km (0.084 R)
• M19: 23,438,396 km (0.1 R)
• M20: 27,722,729 km (0.107 R)
• M21: 31,639,202 km (0.059 R)
• M22: 32,406,489 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.2

Radius: 3.6

Gravity: 71.93 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.39 AU - 7.77 AU

Year: 11651 Days

Day: 21.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,812,957 km

• M1: 56,249 km (0.035 R)
• M2: 182,958 km (0.118 R)
• M3: 1,362,687 km (0.083 R)
• M4: 2,437,099 km (0.095 R)
• M5: 4,524,438 km (0.077 R)
• M6: 5,119,389 km (0.04 R)
• M7: 6,185,274 km (0.101 R)
• M8: 6,958,844 km (0.115 R)
• M9: 7,259,386 km (0.114 R)
• M10: 7,749,020 km (0.115 R)
• M11: 8,403,810 km (0.097 R)
• M12: 12,176,070 km (0.083 R)
• M13: 14,118,748 km (0.114 R)
• M14: 15,234,898 km (0.075 R)
• M15: 19,099,908 km (0.086 R)
• M16: 23,284,460 km (0.085 R)
• M17: 25,036,400 km (0.102 R)
• M18: 27,612,775 km (0.089 R)
• M19: 29,240,400 km (0.115 R)
• M20: 32,924,247 km (0.112 R)
• M21: 33,044,075 km (0.098 R)
• M22: 34,135,841 km (0.088 R)
• M23: 39,145,574 km (0.101 R)
• M24: 41,056,986 km (0.094 R)
• M25: 43,029,733 km (0.094 R)
• M26: 47,163,122 km (0.074 R)
• M27: 48,081,952 km (0.101 R)
• M28: 48,236,188 km (0.11 R)
• M29: 49,012,601 km (0.069 R)
• M30: 49,325,560 km (0.071 R)
• M31: 49,797,391 km (0.076 R)
• M32: 51,391,805 km (0.072 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: 456 - 18,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit