🌌 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 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.7

Radius: 8.2

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.47 AU - 0.59 AU

Year: 262 Days

Day: 10.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,526,733 km

• M1: 108,309 km (0.065 R)
• M2: 484,398 km (0.082 R)
• M3: 812,316 km (0.077 R)
• M4: 1,006,195 km (0.098 R)
• M5: 1,223,411 km (0.072 R)
• M6: 1,406,370 km (0.111 R)
• M7: 2,734,499 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.8

Radius: 11.7

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.51 AU - 0.65 AU

Year: 300 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,526,733 km

• M1: 146,756 km (0.077 R)
• M2: 401,670 km (0.07 R)
• M3: 623,225 km (0.098 R)
• M4: 854,353 km (0.083 R)
• M5: 1,180,178 km (0.087 R)
• M6: 1,497,923 km (0.068 R)
• M7: 1,765,255 km (0.076 R)
• M8: 2,227,811 km (0.077 R)
• M9: 2,470,908 km (0.081 R)
• M10: 2,828,447 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.1

Radius: 11.7

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.55 AU - 0.79 AU

Year: 372 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,526,733 km

• M1: 145,858 km (0.057 R)
• M2: 364,570 km (0.106 R)
• M3: 599,289 km (0.03 R)
• M4: 906,413 km (0.101 R)
• M5: 1,132,157 km (0.077 R)
• M6: 1,371,962 km (0.081 R)
• M7: 1,809,985 km (0.12 R)
• M8: 2,053,979 km (0.11 R)
• M9: 2,451,311 km (0.086 R)
• M10: 2,893,672 km (0.1 R)
• M11: 3,196,906 km (0.098 R)
• M12: 3,532,754 km (0.114 R)
• M13: 3,763,434 km (0.101 R)
• M14: 4,425,404 km (0.116 R)
• M15: 4,664,910 km (0.061 R)
• M16: 5,071,667 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.1

Radius: 11

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.74 AU - 1.14 AU

Year: 618 Days

Day: 9.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,526,733 km

• M1: 145,110 km (0.103 R)
• M2: 429,645 km (0.108 R)
• M3: 679,623 km (0.102 R)
• M4: 923,168 km (0.08 R)
• M5: 1,189,752 km (0.075 R)
• M6: 1,445,564 km (0.046 R)
• M7: 1,916,947 km (0.095 R)
• M8: 2,122,794 km (0.112 R)
• M9: 3,022,027 km (0.086 R)
• M10: 3,311,050 km (0.1 R)
• M11: 3,534,399 km (0.095 R)
• M12: 4,056,795 km (0.071 R)
• M13: 4,348,511 km (0.065 R)
• M14: 4,560,042 km (0.041 R)
• M15: 4,951,390 km (0.075 R)
• M16: 6,198,887 km (0.078 R)
• M17: 6,696,898 km (0.096 R)
• M18: 7,002,377 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.3

Radius: 13.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.87 AU - 1.25 AU

Year: 740 Days

Day: 14.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,526,733 km

• M1: 164,707 km (0.081 R)
• M2: 452,982 km (0.054 R)
• M3: 700,417 km (0.077 R)
• M4: 970,142 km (0.06 R)
• M5: 1,351,916 km (0.091 R)
• M6: 1,719,628 km (0.041 R)
• M7: 2,026,154 km (0.058 R)
• M8: 2,773,096 km (0.064 R)
• M9: 3,092,338 km (0.116 R)
• M10: 3,655,574 km (0.114 R)
• M11: 4,203,700 km (0.049 R)
• M12: 5,261,956 km (0.083 R)
• M13: 5,830,876 km (0.117 R)
• M14: 6,416,552 km (0.111 R)
• M15: 6,672,364 km (0.088 R)
• M16: 7,030,950 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.4

Radius: 9.6

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.68 AU - 1.74 AU

Year: 1517 Days

Day: 14 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,526,733 km

• M1: 148,999 km (0.057 R)
• M2: 461,659 km (0.112 R)
• M3: 807,978 km (0.099 R)
• M4: 1,055,413 km (0.098 R)
• M5: 1,307,186 km (0.106 R)
• M6: 1,859,950 km (0.106 R)
• M7: 2,230,953 km (0.094 R)
• M8: 2,424,084 km (0.094 R)
• M9: 2,613,624 km (0.101 R)
• M10: 2,911,923 km (0.119 R)
• M11: 3,294,893 km (0.103 R)
• M12: 3,573,295 km (0.071 R)
• M13: 3,892,985 km (0.107 R)
• M14: 4,088,659 km (0.11 R)
• M15: 4,367,659 km (0.112 R)
• M16: 4,623,621 km (0.115 R)
• M17: 5,632,210 km (0.104 R)
• M18: 6,015,779 km (0.099 R)
• M19: 6,202,926 km (0.097 R)
• M20: 6,450,660 km (0.117 R)
• M21: 7,890,689 km (0.098 R)
• M22: 8,126,904 km (0.09 R)
• M23: 8,834,502 km (0.1 R)
• M24: 9,061,741 km (0.04 R)
• M25: 9,361,386 km (0.088 R)
• M26: 9,642,630 km (0.035 R)
• M27: 9,903,977 km (0.045 R)
• M28: 10,144,680 km (0.069 R)
• M29: 10,834,177 km (0.111 R)
• M30: 11,676,263 km (0.105 R)
• M31: 12,016,748 km (0.107 R)
• M32: 13,455,880 km (0.06 R)
• M33: 14,134,605 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.7

Radius: 8.8

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.87 AU - 2.99 AU

Year: 2569 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,526,733 km

• M1: 116,088 km (0.097 R)
• M2: 289,023 km (0.069 R)
• M3: 508,782 km (0.118 R)
• M4: 945,758 km (0.078 R)
• M5: 1,880,744 km (0.111 R)
• M6: 2,094,669 km (0.068 R)
• M7: 2,559,021 km (0.098 R)
• M8: 2,809,448 km (0.113 R)
• M9: 4,079,983 km (0.105 R)
• M10: 4,887,811 km (0.088 R)
• M11: 5,612,164 km (0.119 R)
• M12: 5,805,744 km (0.072 R)
• M13: 6,129,623 km (0.094 R)
• M14: 7,904,153 km (0.1 R)
• M15: 9,244,251 km (0.077 R)
• M16: 10,283,507 km (0.113 R)
• M17: 11,254,248 km (0.068 R)
• M18: 12,425,300 km (0.064 R)
• M19: 12,766,832 km (0.116 R)
• M20: 13,764,500 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 14.8

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.51 AU - 3.99 AU

Year: 4925 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,526,733 km

• M1: 184,155 km (0.067 R)
• M2: 474,524 km (0.099 R)
• M3: 797,805 km (0.065 R)
• M4: 1,107,922 km (0.101 R)
• M5: 1,394,252 km (0.099 R)
• M6: 1,932,655 km (0.059 R)
• M7: 2,417,801 km (0.042 R)
• M8: 2,852,233 km (0.078 R)
• M9: 3,150,681 km (0.071 R)
• M10: 3,444,641 km (0.071 R)
• M11: 5,865,284 km (0.09 R)
• M12: 6,772,894 km (0.097 R)
• M13: 8,499,104 km (0.119 R)
• M14: 8,855,296 km (0.103 R)
• M15: 9,218,969 km (0.089 R)
• M16: 9,624,229 km (0.064 R)
• M17: 10,213,495 km (0.075 R)
• M18: 12,319,684 km (0.086 R)
• M19: 14,542,259 km (0.11 R)
• M20: 15,353,379 km (0.106 R)
• M21: 16,499,448 km (0.04 R)
• M22: 17,363,376 km (0.113 R)
• M23: 17,967,452 km (0.109 R)
• M24: 21,450,091 km (0.092 R)
• M25: 22,121,486 km (0.07 R)
• M26: 24,416,467 km (0.101 R)
• M27: 26,940,482 km (0.096 R)
• M28: 30,012,923 km (0.08 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.2

Radius: 8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.38 AU - 5.82 AU

Year: 8988 Days

Day: 9.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,526,733 km

• M1: 104,868 km (0.1 R)
• M2: 474,973 km (0.104 R)
• M3: 736,620 km (0.09 R)
• M4: 1,123,330 km (0.112 R)
• M5: 2,335,223 km (0.039 R)
• M6: 2,665,984 km (0.077 R)
• M7: 3,375,676 km (0.039 R)
• M8: 4,954,981 km (0.111 R)
• M9: 5,180,425 km (0.099 R)
• M10: 7,410,031 km (0.064 R)
• M11: 8,285,927 km (0.036 R)
• M12: 9,973,241 km (0.092 R)
• M13: 10,729,010 km (0.099 R)
• M14: 16,708,287 km (0.086 R)
• M15: 16,984,295 km (0.114 R)
• M16: 17,355,896 km (0.118 R)
• M17: 19,323,707 km (0.111 R)
• M18: 20,020,085 km (0.091 R)
• M19: 20,271,708 km (0.098 R)
• M20: 24,071,045 km (0.109 R)
• M21: 24,736,158 km (0.097 R)
• M22: 27,487,412 km (0.084 R)
• M23: 27,900,900 km (0.077 R)
• M24: 29,099,030 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.5

Radius: 3.3

Gravity: 63.96 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.23 AU - 9.37 AU

Year: 14775 Days

Day: 23.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 62,526,733 km

• M1: 56,997 km (0.111 R)
• M2: 421,268 km (0.09 R)
• M3: 653,443 km (0.059 R)
• M4: 940,821 km (0.102 R)
• M5: 1,080,845 km (0.094 R)
• M6: 4,168,096 km (0.059 R)
• M7: 4,800,895 km (0.036 R)
• M8: 5,368,768 km (0.042 R)
• M9: 7,695,464 km (0.105 R)
• M10: 8,734,571 km (0.054 R)
• M11: 8,922,017 km (0.093 R)
• M12: 9,741,065 km (0.102 R)
• M13: 10,750,851 km (0.044 R)
• M14: 11,810,602 km (0.062 R)
• M15: 12,863,622 km (0.098 R)
• M16: 13,668,458 km (0.101 R)
• M17: 13,844,086 km (0.063 R)
• M18: 14,739,280 km (0.095 R)
• M19: 16,102,864 km (0.081 R)
• M20: 18,059,904 km (0.086 R)
• M21: 19,357,665 km (0.118 R)
• M22: 20,058,681 km (0.072 R)
• M23: 22,162,476 km (0.111 R)
• M24: 26,036,612 km (0.113 R)
• M25: 28,174,665 km (0.116 R)
• M26: 29,189,985 km (0.094 R)
• M27: 31,806,901 km (0.073 R)
• M28: 33,613,894 km (0.07 R)
• M29: 34,722,115 km (0.102 R)
• M30: 35,189,309 km (0.099 R)
• M31: 35,753,891 km (0.114 R)
• M32: 36,704,885 km (0.118 R)
• M33: 37,571,505 km (0.12 R)
• M34: 38,350,312 km (0.065 R)
• M35: 39,533,631 km (0.071 R)
• M36: 40,131,873 km (0.075 R)
• M37: 42,983,807 km (0.111 R)
• M38: 48,870,932 km (0.062 R)
• M39: 49,424,743 km (0.11 R)
• M40: 51,558,308 km (0.117 R)
• M41: 58,349,901 km (0.048 R)
• M42: 59,319,744 km (0.088 R)
• M43: 60,912,663 km (0.102 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 18,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit