🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.2

Radius: 11.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.24 AU - 1.74 AU

Year: 1234 Days

Day: 8.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 177.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,308,143 km

• M1: 147,952 km (0.083 R)
• M2: 643,570 km (0.116 R)
• M3: 1,111,063 km (0.085 R)
• M4: 2,089,583 km (0.069 R)
• M5: 2,788,056 km (0.111 R)
• M6: 3,286,964 km (0.113 R)
• M7: 3,828,808 km (0.092 R)
• M8: 4,575,750 km (0.043 R)
• M9: 5,908,368 km (0.104 R)
• M10: 6,428,968 km (0.098 R)
• M11: 7,103,954 km (0.11 R)
• M12: 7,986,582 km (0.09 R)
• M13: 8,795,906 km (0.036 R)
• M14: 9,628,418 km (0.087 R)
• M15: 10,545,304 km (0.071 R)
• M16: 11,075,478 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.2

Radius: 9.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.52 AU - 1.76 AU

Year: 1424 Days

Day: 12.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,308,143 km

• M1: 124,765 km (0.085 R)
• M2: 472,580 km (0.044 R)
• M3: 1,127,220 km (0.026 R)
• M4: 2,095,118 km (0.116 R)
• M5: 2,541,369 km (0.062 R)
• M6: 4,448,442 km (0.106 R)
• M7: 4,974,428 km (0.104 R)
• M8: 5,579,402 km (0.107 R)
• M9: 5,889,967 km (0.074 R)
• M10: 6,294,480 km (0.105 R)
• M11: 8,175,224 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.3

Radius: 8.2

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.51 AU - 2.47 AU

Year: 1904 Days

Day: 10.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,308,143 km

• M1: 102,026 km (0.069 R)
• M2: 390,002 km (0.036 R)
• M3: 796,309 km (0.105 R)
• M4: 1,088,773 km (0.117 R)
• M5: 1,435,691 km (0.098 R)
• M6: 2,136,407 km (0.087 R)
• M7: 2,537,180 km (0.058 R)
• M8: 2,841,163 km (0.078 R)
• M9: 4,785,935 km (0.083 R)
• M10: 5,587,780 km (0.034 R)
• M11: 6,252,144 km (0.102 R)
• M12: 6,915,012 km (0.1 R)
• M13: 7,539,882 km (0.03 R)
• M14: 8,083,820 km (0.115 R)
• M15: 8,380,473 km (0.114 R)
• M16: 9,411,651 km (0.077 R)
• M17: 11,277,735 km (0.111 R)
• M18: 13,173,289 km (0.113 R)
• M19: 13,501,657 km (0.038 R)
• M20: 14,346,885 km (0.1 R)
• M21: 14,738,532 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.9

Radius: 15

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.56 AU - 3.4 AU

Year: 3489 Days

Day: 12.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,308,143 km

• M1: 186,549 km (0.108 R)
• M2: 825,631 km (0.101 R)
• M3: 1,687,464 km (0.111 R)
• M4: 2,477,490 km (0.117 R)
• M5: 3,022,326 km (0.12 R)
• M6: 3,540,234 km (0.078 R)
• M7: 4,419,420 km (0.106 R)
• M8: 4,889,307 km (0.108 R)
• M9: 5,731,244 km (0.062 R)
• M10: 7,087,498 km (0.11 R)
• M11: 8,167,445 km (0.063 R)
• M12: 9,251,432 km (0.108 R)
• M13: 9,953,794 km (0.089 R)
• M14: 10,919,897 km (0.051 R)
• M15: 12,952,932 km (0.084 R)
• M16: 13,968,552 km (0.069 R)
• M17: 15,909,883 km (0.103 R)
• M18: 16,971,130 km (0.057 R)
• M19: 17,757,866 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.4

Radius: 10.8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.92 AU - 3.68 AU

Year: 4066 Days

Day: 7 Hours

Environment

Temp: -221 °C

Axial Tilt: 63 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,308,143 km

• M1: 134,488 km (0.113 R)
• M2: 504,893 km (0.088 R)
• M3: 1,498,223 km (0.043 R)
• M4: 2,281,068 km (0.118 R)
• M5: 3,170,428 km (0.088 R)
• M6: 3,605,309 km (0.092 R)
• M7: 4,434,380 km (0.112 R)
• M8: 6,351,178 km (0.093 R)
• M9: 9,322,042 km (0.099 R)
• M10: 11,259,035 km (0.096 R)
• M11: 11,694,215 km (0.071 R)
• M12: 12,276,600 km (0.092 R)
• M13: 14,595,965 km (0.12 R)
• M14: 16,684,351 km (0.103 R)
• M15: 20,854,990 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 14.3

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.99 AU - 3.83 AU

Year: 4271 Days

Day: 12.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,308,143 km

• M1: 178,021 km (0.036 R)
• M2: 837,598 km (0.1 R)
• M3: 1,313,769 km (0.027 R)
• M4: 2,117,558 km (0.107 R)
• M5: 3,097,574 km (0.06 R)
• M6: 3,854,988 km (0.104 R)
• M7: 4,338,039 km (0.039 R)
• M8: 5,045,487 km (0.11 R)
• M9: 6,312,133 km (0.085 R)
• M10: 7,325,359 km (0.117 R)
• M11: 9,305,736 km (0.084 R)
• M12: 10,398,249 km (0.05 R)
• M13: 11,249,461 km (0.053 R)
• M14: 15,014,689 km (0.118 R)
• M15: 15,927,386 km (0.095 R)
• M16: 21,910,254 km (0.074 R)
• M17: 23,234,344 km (0.099 R)
• M18: 29,506,983 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.4

Radius: 4.4

Gravity: 12.99 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.06 AU - 8.98 AU

Year: 13987 Days

Day: 18.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,308,143 km

• M1: 54,753 km (0.067 R)
• M2: 196,572 km (0.113 R)
• M3: 498,759 km (0.053 R)
• M4: 1,068,129 km (0.057 R)
• M5: 1,212,042 km (0.094 R)
• M6: 1,609,224 km (0.106 R)
• M7: 1,956,291 km (0.046 R)
• M8: 2,297,225 km (0.09 R)
• M9: 4,146,105 km (0.052 R)
• M10: 5,707,608 km (0.108 R)
• M11: 5,978,380 km (0.065 R)
• M12: 8,680,716 km (0.081 R)
• M13: 9,689,155 km (0.068 R)
• M14: 10,123,438 km (0.063 R)
• M15: 10,320,458 km (0.099 R)
• M16: 11,239,288 km (0.098 R)
• M17: 13,652,601 km (0.11 R)
• M18: 15,987,973 km (0.07 R)
• M19: 19,321,163 km (0.088 R)
• M20: 20,085,609 km (0.096 R)
• M21: 23,260,075 km (0.103 R)
• M22: 30,786,344 km (0.098 R)
• M23: 35,206,213 km (0.109 R)
• M24: 38,815,860 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.4

Radius: 7.3

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.88 AU - 10.8 AU

Year: 17827 Days

Day: 23.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,308,143 km

• M1: 122,820 km (0.091 R)
• M2: 369,208 km (0.113 R)
• M3: 625,768 km (0.091 R)
• M4: 1,163,123 km (0.087 R)
• M5: 1,642,285 km (0.097 R)
• M6: 3,965,241 km (0.105 R)
• M7: 5,232,036 km (0.114 R)
• M8: 7,486,027 km (0.066 R)
• M9: 10,119,847 km (0.113 R)
• M10: 18,938,193 km (0.078 R)
• M11: 19,775,193 km (0.051 R)
• M12: 20,320,627 km (0.069 R)
• M13: 24,959,657 km (0.068 R)
• M14: 26,902,634 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970

Radius: 4.9

Gravity: 40.4 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 9.13 AU - 9.39 AU

Year: 19112 Days

Day: 18 Hours

Environment

Temp: -243 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 32,308,143 km

• M1: 63,130 km (0.104 R)
• M2: 283,338 km (0.054 R)
• M3: 764,146 km (0.106 R)
• M4: 919,129 km (0.042 R)
• M5: 1,122,283 km (0.107 R)
• M6: 1,402,330 km (0.054 R)
• M7: 2,775,340 km (0.034 R)
• M8: 3,064,961 km (0.067 R)
• M9: 3,403,651 km (0.102 R)
• M10: 6,693,009 km (0.086 R)
• M11: 7,165,289 km (0.038 R)
• M12: 9,452,790 km (0.111 R)
• M13: 9,926,118 km (0.119 R)
• M14: 10,415,303 km (0.095 R)
• M15: 18,042,850 km (0.061 R)
• M16: 19,235,145 km (0.113 R)
• M17: 20,872,344 km (0.095 R)
• M18: 25,310,763 km (0.116 R)
• M19: 25,992,181 km (0.092 R)
• M20: 26,569,180 km (0.082 R)
• M21: 27,272,889 km (0.119 R)
• M22: 27,868,737 km (0.11 R)
• M23: 29,334,198 km (0.112 R)
• M24: 29,959,666 km (0.088 R)
• M25: 35,568,988 km (0.115 R)
• M26: 39,673,505 km (0.106 R)
• M27: 45,233,908 km (0.088 R)
• M28: 48,982,382 km (0.073 R)
• M29: 50,039,441 km (0.082 R)
• M30: 52,564,952 km (0.088 R)
• M31: 59,845,731 km (0.098 R)
• M32: 62,688,838 km (0.067 R)
• M33: 63,309,669 km (0.072 R)
• M34: 63,517,461 km (0.078 R)
• M35: 65,833,685 km (0.101 R)
• M36: 73,577,170 km (0.065 R)
• M37: 78,502,679 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.5

Radius: 6.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.48 AU - 11.98 AU

Year: 20585 Days

Day: 17.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,308,143 km

• M1: 105,766 km (0.073 R)
• M2: 334,650 km (0.118 R)
• M3: 618,886 km (0.102 R)
• M4: 1,274,424 km (0.08 R)
• M5: 1,575,565 km (0.115 R)
• M6: 1,966,763 km (0.074 R)
• M7: 3,241,636 km (0.082 R)
• M8: 4,720,860 km (0.103 R)
• M9: 9,906,969 km (0.093 R)
• M10: 10,809,045 km (0.072 R)
• M11: 17,336,598 km (0.115 R)
• M12: 19,804,065 km (0.096 R)
• M13: 28,951,826 km (0.048 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: 287 - 14,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit