🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.4

Radius: 13.2

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.46 AU - 0.56 AU

Year: 247 Days

Day: 7.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,897,588 km

• M1: 164,109 km (0.094 R)
• M2: 643,720 km (0.12 R)
• M3: 1,080,994 km (0.064 R)
• M4: 1,561,353 km (0.102 R)
• M5: 2,011,343 km (0.11 R)
• M6: 2,471,207 km (0.101 R)
• M7: 2,905,041 km (0.106 R)
• M8: 3,379,416 km (0.112 R)
• M9: 3,882,065 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.5

Radius: 9.1

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.65 AU - 0.65 AU

Year: 355 Days

Day: 6.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,897,588 km

• M1: 113,096 km (0.08 R)
• M2: 419,323 km (0.086 R)
• M3: 856,149 km (0.091 R)
• M4: 1,414,448 km (0.104 R)
• M5: 1,746,854 km (0.106 R)
• M6: 2,225,568 km (0.099 R)
• M7: 2,562,761 km (0.061 R)
• M8: 2,997,642 km (0.1 R)
• M9: 3,964,044 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.4

Radius: 14.8

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.61 AU - 0.81 AU

Year: 406 Days

Day: 9.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,897,588 km

• M1: 184,005 km (0.061 R)
• M2: 680,521 km (0.074 R)
• M3: 1,193,342 km (0.05 R)
• M4: 1,697,936 km (0.118 R)
• M5: 2,537,329 km (0.044 R)
• M6: 3,418,910 km (0.108 R)
• M7: 4,128,303 km (0.102 R)
• M8: 5,139,734 km (0.101 R)
• M9: 6,002,615 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 8.6

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.64 AU - 0.8 AU

Year: 414 Days

Day: 13.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,897,588 km

• M1: 106,962 km (0.098 R)
• M2: 438,920 km (0.082 R)
• M3: 848,968 km (0.091 R)
• M4: 1,140,085 km (0.11 R)
• M5: 1,416,243 km (0.032 R)
• M6: 1,796,072 km (0.041 R)
• M7: 2,303,957 km (0.09 R)
• M8: 2,732,854 km (0.045 R)
• M9: 3,475,607 km (0.042 R)
• M10: 3,751,167 km (0.118 R)
• M11: 4,028,521 km (0.112 R)
• M12: 5,200,920 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.2

Radius: 9.4

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.65 AU - 1.07 AU

Year: 541 Days

Day: 10.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,897,588 km

• M1: 116,986 km (0.026 R)
• M2: 625,170 km (0.061 R)
• M3: 945,010 km (0.069 R)
• M4: 1,302,549 km (0.086 R)
• M5: 2,902,797 km (0.09 R)
• M6: 3,207,827 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.3

Radius: 11.7

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.21 AU - 1.53 AU

Year: 1088 Days

Day: 8 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,897,588 km

• M1: 145,559 km (0.078 R)
• M2: 702,063 km (0.115 R)
• M3: 2,079,111 km (0.097 R)
• M4: 2,585,201 km (0.112 R)
• M5: 5,112,507 km (0.07 R)
• M6: 5,543,499 km (0.047 R)
• M7: 7,247,718 km (0.053 R)
• M8: 7,692,023 km (0.106 R)
• M9: 9,624,977 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.2

Radius: 14.7

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.9 AU - 4.38 AU

Year: 4710 Days

Day: 10.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,897,588 km

• M1: 183,557 km (0.097 R)
• M2: 738,265 km (0.098 R)
• M3: 1,257,968 km (0.104 R)
• M4: 2,388,779 km (0.042 R)
• M5: 2,996,296 km (0.058 R)
• M6: 4,606,567 km (0.104 R)
• M7: 5,329,574 km (0.056 R)
• M8: 5,932,603 km (0.118 R)
• M9: 7,057,429 km (0.115 R)
• M10: 7,932,277 km (0.05 R)
• M11: 8,658,426 km (0.057 R)
• M12: 9,362,583 km (0.112 R)
• M13: 10,001,216 km (0.11 R)
• M14: 12,093,492 km (0.051 R)
• M15: 12,933,484 km (0.089 R)
• M16: 13,897,792 km (0.09 R)
• M17: 14,909,522 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.7

Radius: 13.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.41 AU - 5.55 AU

Year: 7538 Days

Day: 10.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,897,588 km

• M1: 172,486 km (0.083 R)
• M2: 605,572 km (0.113 R)
• M3: 1,147,116 km (0.068 R)
• M4: 1,928,466 km (0.062 R)
• M5: 2,518,779 km (0.06 R)
• M6: 3,125,100 km (0.115 R)
• M7: 3,804,274 km (0.089 R)
• M8: 4,422,263 km (0.109 R)
• M9: 4,908,007 km (0.065 R)
• M10: 5,459,724 km (0.095 R)
• M11: 6,722,629 km (0.119 R)
• M12: 7,705,637 km (0.072 R)
• M13: 8,212,026 km (0.061 R)
• M14: 9,119,935 km (0.108 R)
• M15: 10,277,972 km (0.072 R)
• M16: 12,777,753 km (0.099 R)
• M17: 13,322,588 km (0.108 R)
• M18: 16,094,337 km (0.107 R)
• M19: 16,730,278 km (0.085 R)
• M20: 17,185,504 km (0.108 R)
• M21: 17,782,699 km (0.111 R)
• M22: 18,739,377 km (0.076 R)
• M23: 20,755,508 km (0.068 R)
• M24: 21,662,370 km (0.092 R)
• M25: 22,516,724 km (0.084 R)
• M26: 27,308,194 km (0.104 R)
• M27: 28,489,119 km (0.088 R)
• M28: 29,893,843 km (0.074 R)
• M29: 32,136,764 km (0.092 R)
• M30: 35,654,708 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.5

Radius: 4.7

Gravity: 28.04 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.08 AU - 7.26 AU

Year: 11684 Days

Day: 20 Hours

Environment

Temp: -238 °C

Axial Tilt: 105.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,897,588 km

• M1: 58,493 km (0.065 R)
• M2: 527,332 km (0.118 R)
• M3: 982,110 km (0.086 R)
• M4: 1,186,012 km (0.092 R)
• M5: 1,559,109 km (0.032 R)
• M6: 2,041,712 km (0.087 R)
• M7: 2,241,724 km (0.048 R)
• M8: 2,854,627 km (0.074 R)
• M9: 3,081,866 km (0.096 R)
• M10: 3,470,371 km (0.065 R)
• M11: 4,142,066 km (0.109 R)
• M12: 4,707,695 km (0.096 R)
• M13: 5,255,972 km (0.09 R)
• M14: 6,952,112 km (0.117 R)
• M15: 7,575,935 km (0.068 R)
• M16: 9,925,071 km (0.062 R)
• M17: 10,131,815 km (0.05 R)
• M18: 10,288,594 km (0.094 R)
• M19: 11,659,508 km (0.118 R)
• M20: 13,209,642 km (0.11 R)
• M21: 13,776,767 km (0.084 R)
• M22: 17,004,790 km (0.085 R)
• M23: 17,903,125 km (0.119 R)
• M24: 20,619,523 km (0.064 R)
• M25: 21,125,763 km (0.114 R)
• M26: 23,782,172 km (0.059 R)
• M27: 27,658,851 km (0.103 R)
• M28: 28,899,167 km (0.035 R)
• M29: 29,109,352 km (0.088 R)
• M30: 30,828,381 km (0.104 R)
• M31: 36,757,543 km (0.067 R)
• M32: 38,255,317 km (0.036 R)
• M33: 38,891,258 km (0.064 R)
• M34: 41,371,890 km (0.108 R)
• M35: 45,785,027 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.3

Radius: 8

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.79 AU - 12.09 AU

Year: 21255 Days

Day: 23.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,897,588 km

• M1: 100,380 km (0.092 R)
• M2: 395,836 km (0.106 R)
• M3: 908,657 km (0.12 R)
• M4: 1,346,830 km (0.116 R)
• M5: 1,696,290 km (0.094 R)
• M6: 2,428,123 km (0.117 R)
• M7: 2,691,565 km (0.055 R)
• M8: 3,435,216 km (0.073 R)
• M9: 4,246,635 km (0.109 R)
• M10: 4,798,053 km (0.096 R)
• M11: 6,123,041 km (0.094 R)
• M12: 6,406,678 km (0.026 R)
• M13: 7,176,509 km (0.11 R)
• M14: 7,491,861 km (0.052 R)
• M15: 8,395,133 km (0.113 R)
• M16: 9,583,539 km (0.03 R)
• M17: 10,302,805 km (0.105 R)
• M18: 10,588,986 km (0.116 R)
• M19: 11,357,620 km (0.12 R)
• M20: 12,482,596 km (0.09 R)
• M21: 14,025,997 km (0.09 R)
• M22: 15,617,569 km (0.08 R)
• M23: 15,919,308 km (0.085 R)
• M24: 17,165,608 km (0.047 R)
• M25: 21,478,963 km (0.111 R)
• M26: 22,901,639 km (0.107 R)
• M27: 26,144,921 km (0.07 R)
• M28: 27,765,514 km (0.104 R)
• M29: 30,849,624 km (0.103 R)
• M30: 31,444,724 km (0.109 R)
• M31: 36,883,056 km (0.095 R)
• M32: 39,056,862 km (0.078 R)
• M33: 40,316,477 km (0.093 R)
• M34: 42,769,283 km (0.094 R)
• M35: 53,919,710 km (0.036 R)
• M36: 54,783,189 km (0.091 R)
• M37: 64,509,594 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 18,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit