🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.6

Radius: 14.2

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.94 AU - 0.94 AU

Year: 629 Days

Day: 5.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 83.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,068,028 km

• M1: 177,872 km (0.119 R)
• M2: 832,811 km (0.096 R)
• M3: 1,676,843 km (0.106 R)
• M4: 2,987,769 km (0.114 R)
• M5: 3,443,145 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.2

Radius: 10

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.85 AU - 1.05 AU

Year: 639 Days

Day: 9.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,068,028 km

• M1: 124,465 km (0.093 R)
• M2: 551,867 km (0.093 R)
• M3: 947,403 km (0.085 R)
• M4: 1,539,661 km (0.08 R)
• M5: 1,884,784 km (0.104 R)
• M6: 3,234,904 km (0.097 R)
• M7: 4,391,296 km (0.069 R)
• M8: 5,616,353 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.7

Radius: 13.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.79 AU - 3.63 AU

Year: 3970 Days

Day: 14.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,068,028 km

• M1: 169,195 km (0.078 R)
• M2: 880,832 km (0.117 R)
• M3: 1,389,166 km (0.113 R)
• M4: 2,633,671 km (0.059 R)
• M5: 3,338,276 km (0.099 R)
• M6: 4,015,207 km (0.082 R)
• M7: 5,100,689 km (0.039 R)
• M8: 6,760,477 km (0.118 R)
• M9: 7,354,531 km (0.106 R)
• M10: 8,258,700 km (0.109 R)
• M11: 8,938,473 km (0.095 R)
• M12: 10,248,053 km (0.094 R)
• M13: 11,593,835 km (0.099 R)
• M14: 19,822,915 km (0.092 R)
• M15: 20,266,622 km (0.102 R)
• M16: 21,372,150 km (0.081 R)
• M17: 23,916,660 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.5

Radius: 14.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.98 AU - 3.64 AU

Year: 4157 Days

Day: 11.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,068,028 km

• M1: 179,218 km (0.083 R)
• M2: 712,834 km (0.063 R)
• M3: 1,248,693 km (0.092 R)
• M4: 2,158,548 km (0.095 R)
• M5: 3,019,633 km (0.081 R)
• M6: 6,212,351 km (0.09 R)
• M7: 7,430,825 km (0.081 R)
• M8: 8,113,141 km (0.083 R)
• M9: 9,496,473 km (0.073 R)
• M10: 10,528,100 km (0.073 R)
• M11: 11,511,257 km (0.058 R)
• M12: 13,121,828 km (0.114 R)
• M13: 15,613,081 km (0.097 R)
• M14: 16,682,407 km (0.102 R)
• M15: 18,740,724 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.8

Radius: 13

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.81 AU - 5.73 AU

Year: 8351 Days

Day: 13.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,068,028 km

• M1: 161,865 km (0.101 R)
• M2: 804,388 km (0.095 R)
• M3: 1,717,982 km (0.112 R)
• M4: 2,559,769 km (0.042 R)
• M5: 2,979,690 km (0.098 R)
• M6: 3,859,176 km (0.109 R)
• M7: 4,757,212 km (0.107 R)
• M8: 5,494,431 km (0.102 R)
• M9: 6,061,855 km (0.09 R)
• M10: 6,779,177 km (0.101 R)
• M11: 7,393,127 km (0.116 R)
• M12: 8,128,101 km (0.09 R)
• M13: 9,507,393 km (0.086 R)
• M14: 10,327,339 km (0.054 R)
• M15: 13,013,818 km (0.032 R)
• M16: 13,722,164 km (0.055 R)
• M17: 14,332,074 km (0.112 R)
• M18: 16,136,225 km (0.066 R)
• M19: 17,023,490 km (0.068 R)
• M20: 18,378,547 km (0.115 R)
• M21: 20,821,331 km (0.037 R)
• M22: 24,258,043 km (0.066 R)
• M23: 25,787,980 km (0.101 R)
• M24: 27,381,497 km (0.112 R)
• M25: 28,841,123 km (0.094 R)
• M26: 31,074,918 km (0.105 R)
• M27: 34,303,689 km (0.094 R)
• M28: 37,749,975 km (0.084 R)
• M29: 38,465,951 km (0.1 R)
• M30: 42,438,223 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677

Radius: 7.1

Gravity: 13.43 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.87 AU - 6.33 AU

Year: 10399 Days

Day: 22.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,068,028 km

• M1: 94,396 km (0.082 R)
• M2: 328,667 km (0.1 R)
• M3: 652,995 km (0.059 R)
• M4: 1,721,572 km (0.102 R)
• M5: 3,195,710 km (0.102 R)
• M6: 3,509,566 km (0.071 R)
• M7: 3,870,247 km (0.056 R)
• M8: 4,605,819 km (0.111 R)
• M9: 5,134,947 km (0.11 R)
• M10: 5,773,580 km (0.12 R)
• M11: 6,314,077 km (0.119 R)
• M12: 6,887,785 km (0.067 R)
• M13: 8,007,376 km (0.113 R)
• M14: 8,316,445 km (0.114 R)
• M15: 9,195,781 km (0.112 R)
• M16: 11,974,412 km (0.08 R)
• M17: 13,772,578 km (0.076 R)
• M18: 15,674,865 km (0.113 R)
• M19: 16,510,818 km (0.103 R)
• M20: 19,592,085 km (0.109 R)
• M21: 19,992,409 km (0.086 R)
• M22: 27,160,092 km (0.112 R)
• M23: 32,748,619 km (0.116 R)
• M24: 43,912,959 km (0.113 R)
• M25: 44,736,346 km (0.115 R)
• M26: 47,125,124 km (0.11 R)
• M27: 48,423,634 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.3

Radius: 6

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.96 AU - 7.92 AU

Year: 14008 Days

Day: 19.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,068,028 km

• M1: 74,649 km (0.083 R)
• M2: 346,618 km (0.059 R)
• M3: 581,188 km (0.074 R)
• M4: 792,570 km (0.115 R)
• M5: 1,066,782 km (0.072 R)
• M6: 1,275,471 km (0.059 R)
• M7: 1,655,001 km (0.074 R)
• M8: 2,400,747 km (0.052 R)
• M9: 2,597,767 km (0.072 R)
• M10: 4,044,678 km (0.074 R)
• M11: 4,353,448 km (0.08 R)
• M12: 5,783,753 km (0.111 R)
• M13: 7,013,896 km (0.115 R)
• M14: 7,255,048 km (0.106 R)
• M15: 7,839,228 km (0.1 R)
• M16: 9,582,641 km (0.042 R)
• M17: 9,829,777 km (0.052 R)
• M18: 10,182,977 km (0.115 R)
• M19: 12,077,186 km (0.104 R)
• M20: 12,307,716 km (0.118 R)
• M21: 12,599,881 km (0.119 R)
• M22: 14,130,716 km (0.097 R)
• M23: 19,777,736 km (0.097 R)
• M24: 20,996,959 km (0.081 R)
• M25: 24,954,421 km (0.088 R)
• M26: 25,516,909 km (0.102 R)
• M27: 26,280,157 km (0.043 R)
• M28: 27,752,051 km (0.102 R)
• M29: 28,559,131 km (0.104 R)
• M30: 32,830,599 km (0.084 R)
• M31: 37,753,865 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.8

Radius: 7.5

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.12 AU - 8.44 AU

Year: 16446 Days

Day: 23.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,068,028 km

• M1: 93,349 km (0.08 R)
• M2: 333,902 km (0.111 R)
• M3: 609,013 km (0.092 R)
• M4: 848,220 km (0.042 R)
• M5: 1,106,127 km (0.074 R)
• M6: 1,389,914 km (0.078 R)
• M7: 2,253,991 km (0.119 R)
• M8: 3,026,365 km (0.087 R)
• M9: 3,511,511 km (0.097 R)
• M10: 4,606,118 km (0.088 R)
• M11: 4,984,601 km (0.11 R)
• M12: 6,321,707 km (0.112 R)
• M13: 8,943,410 km (0.102 R)
• M14: 9,284,343 km (0.103 R)
• M15: 9,837,706 km (0.103 R)
• M16: 11,176,906 km (0.12 R)
• M17: 11,515,595 km (0.071 R)
• M18: 12,755,163 km (0.098 R)
• M19: 14,212,396 km (0.114 R)
• M20: 15,358,465 km (0.06 R)
• M21: 17,079,738 km (0.109 R)
• M22: 19,979,095 km (0.087 R)
• M23: 21,937,929 km (0.117 R)
• M24: 24,396,720 km (0.039 R)
• M25: 34,147,958 km (0.099 R)
• M26: 34,981,517 km (0.055 R)
• M27: 36,195,654 km (0.097 R)
• M28: 36,689,027 km (0.09 R)
• M29: 37,061,975 km (0.107 R)
• M30: 40,932,371 km (0.116 R)
• M31: 42,143,964 km (0.079 R)
• M32: 46,791,372 km (0.082 R)
• M33: 50,225,241 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.4

Radius: 4.1

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.45 AU - 9.37 AU

Year: 18358 Days

Day: 24.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 93.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,068,028 km

• M1: 59,690 km (0.087 R)
• M2: 236,065 km (0.083 R)
• M3: 884,722 km (0.109 R)
• M4: 2,037,523 km (0.107 R)
• M5: 2,212,253 km (0.05 R)
• M6: 2,759,183 km (0.114 R)
• M7: 3,261,982 km (0.066 R)
• M8: 5,251,932 km (0.071 R)
• M9: 6,052,281 km (0.088 R)
• M10: 6,686,426 km (0.094 R)
• M11: 6,860,409 km (0.094 R)
• M12: 8,853,651 km (0.108 R)
• M13: 11,104,800 km (0.11 R)
• M14: 11,497,195 km (0.113 R)
• M15: 12,943,657 km (0.112 R)
• M16: 13,378,238 km (0.067 R)
• M17: 13,878,643 km (0.114 R)
• M18: 14,507,104 km (0.096 R)
• M19: 15,454,657 km (0.1 R)
• M20: 16,254,557 km (0.115 R)
• M21: 19,588,196 km (0.118 R)
• M22: 19,730,314 km (0.082 R)
• M23: 21,189,192 km (0.11 R)
• M24: 21,944,960 km (0.081 R)
• M25: 25,231,925 km (0.119 R)
• M26: 27,212,301 km (0.112 R)
• M27: 29,386,557 km (0.103 R)
• M28: 32,066,453 km (0.093 R)
• M29: 32,362,807 km (0.117 R)
• M30: 33,263,087 km (0.112 R)
• M31: 34,385,968 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.5

Radius: 4.3

Gravity: 21.82 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.38 AU - 9.98 AU

Year: 19199 Days

Day: 18.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,068,028 km

• M1: 55,351 km (0.078 R)
• M2: 921,523 km (0.106 R)
• M3: 1,315,264 km (0.084 R)
• M4: 1,597,406 km (0.072 R)
• M5: 2,405,833 km (0.103 R)
• M6: 2,689,620 km (0.073 R)
• M7: 3,069,000 km (0.039 R)
• M8: 3,456,309 km (0.048 R)
• M9: 4,747,189 km (0.069 R)
• M10: 5,018,560 km (0.039 R)
• M11: 6,089,681 km (0.081 R)
• M12: 6,533,238 km (0.04 R)
• M13: 6,954,805 km (0.05 R)
• M14: 8,183,303 km (0.052 R)
• M15: 8,823,582 km (0.073 R)
• M16: 10,314,923 km (0.054 R)
• M17: 11,904,699 km (0.087 R)
• M18: 13,515,719 km (0.054 R)
• M19: 14,690,661 km (0.09 R)
• M20: 15,339,616 km (0.078 R)
• M21: 18,788,745 km (0.054 R)
• M22: 25,081,579 km (0.118 R)
• M23: 25,696,127 km (0.106 R)
• M24: 25,903,171 km (0.107 R)
• M25: 30,397,390 km (0.056 R)
• M26: 32,163,542 km (0.103 R)
• M27: 39,635,956 km (0.062 R)
• M28: 41,031,255 km (0.096 R)
• M29: 57,532,200 km (0.095 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 14,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit