🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.6

Radius: 14.9

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.73 AU - 0.83 AU

Year: 452 Days

Day: 6 Hours

Environment

Temp: -142 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 91,244,116 km

• M1: 185,352 km (0.093 R)
• M2: 658,829 km (0.088 R)
• M3: 1,234,781 km (0.087 R)
• M4: 1,886,728 km (0.067 R)
• M5: 2,574,579 km (0.084 R)
• M6: 3,063,016 km (0.119 R)
• M7: 3,854,838 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.8

Radius: 14.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.81 AU - 1.31 AU

Year: 716 Days

Day: 13.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,244,116 km

• M1: 185,352 km (0.104 R)
• M2: 708,645 km (0.083 R)
• M3: 1,307,934 km (0.111 R)
• M4: 2,062,356 km (0.075 R)
• M5: 2,552,588 km (0.117 R)
• M6: 3,198,253 km (0.12 R)
• M7: 4,275,956 km (0.029 R)
• M8: 4,839,042 km (0.098 R)
• M9: 5,583,890 km (0.081 R)
• M10: 6,446,471 km (0.102 R)
• M11: 7,054,886 km (0.068 R)
• M12: 8,564,927 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470

Radius: 9.5

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.82 AU - 1.88 AU

Year: 1651 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 121.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,244,116 km

• M1: 119,080 km (0.12 R)
• M2: 486,343 km (0.107 R)
• M3: 798,853 km (0.078 R)
• M4: 1,228,797 km (0.04 R)
• M5: 1,849,778 km (0.112 R)
• M6: 2,296,178 km (0.094 R)
• M7: 2,615,569 km (0.089 R)
• M8: 3,165,790 km (0.103 R)
• M9: 3,515,849 km (0.113 R)
• M10: 3,942,951 km (0.059 R)
• M11: 4,459,812 km (0.118 R)
• M12: 4,783,392 km (0.078 R)
• M13: 5,266,892 km (0.115 R)
• M14: 6,841,111 km (0.103 R)
• M15: 7,143,897 km (0.097 R)
• M16: 8,023,383 km (0.053 R)
• M17: 8,332,153 km (0.111 R)
• M18: 9,584,586 km (0.109 R)
• M19: 10,354,417 km (0.027 R)
• M20: 10,653,463 km (0.099 R)
• M21: 11,269,058 km (0.086 R)
• M22: 12,496,209 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.8

Radius: 10.8

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.35 AU - 2.45 AU

Year: 2439 Days

Day: 11 Hours

Environment

Temp: -193 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,244,116 km

• M1: 135,087 km (0.118 R)
• M2: 637,287 km (0.066 R)
• M3: 1,180,178 km (0.077 R)
• M4: 2,399,400 km (0.11 R)
• M5: 2,754,994 km (0.062 R)
• M6: 3,145,894 km (0.099 R)
• M7: 4,021,191 km (0.072 R)
• M8: 5,399,885 km (0.081 R)
• M9: 6,223,421 km (0.104 R)
• M10: 6,957,647 km (0.09 R)
• M11: 7,448,927 km (0.087 R)
• M12: 7,809,607 km (0.097 R)
• M13: 9,336,254 km (0.106 R)
• M14: 11,208,321 km (0.113 R)
• M15: 12,253,412 km (0.08 R)
• M16: 13,187,351 km (0.084 R)
• M17: 13,627,319 km (0.107 R)
• M18: 14,213,892 km (0.061 R)
• M19: 16,476,111 km (0.066 R)
• M20: 16,883,765 km (0.111 R)
• M21: 17,772,526 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.1

Radius: 11.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.84 AU - 4.58 AU

Year: 5667 Days

Day: 14.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,244,116 km

• M1: 153,787 km (0.101 R)
• M2: 629,059 km (0.099 R)
• M3: 1,129,314 km (0.105 R)
• M4: 1,508,395 km (0.086 R)
• M5: 1,879,099 km (0.054 R)
• M6: 2,421,840 km (0.075 R)
• M7: 3,694,469 km (0.035 R)
• M8: 4,308,568 km (0.113 R)
• M9: 4,989,687 km (0.053 R)
• M10: 5,568,182 km (0.092 R)
• M11: 6,471,604 km (0.096 R)
• M12: 8,117,180 km (0.114 R)
• M13: 8,645,859 km (0.106 R)
• M14: 10,327,639 km (0.101 R)
• M15: 11,407,885 km (0.096 R)
• M16: 14,656,253 km (0.105 R)
• M17: 15,384,495 km (0.099 R)
• M18: 15,786,465 km (0.075 R)
• M19: 17,714,183 km (0.118 R)
• M20: 20,270,063 km (0.117 R)
• M21: 21,033,311 km (0.087 R)
• M22: 23,818,075 km (0.054 R)
• M23: 24,201,944 km (0.109 R)
• M24: 27,339,310 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.7

Radius: 3.9

Gravity: 62.24 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.18 AU - 9.26 AU

Year: 14071 Days

Day: 20.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 91,244,116 km

• M1: 48,619 km (0.081 R)
• M2: 248,482 km (0.1 R)
• M3: 500,854 km (0.056 R)
• M4: 686,804 km (0.115 R)
• M5: 906,862 km (0.096 R)
• M6: 1,146,368 km (0.094 R)
• M7: 2,122,644 km (0.056 R)
• M8: 2,348,387 km (0.097 R)
• M9: 2,500,229 km (0.058 R)
• M10: 2,871,980 km (0.07 R)
• M11: 4,084,171 km (0.061 R)
• M12: 4,466,244 km (0.03 R)
• M13: 5,873,063 km (0.049 R)
• M14: 6,032,235 km (0.115 R)
• M15: 6,828,096 km (0.078 R)
• M16: 7,457,753 km (0.065 R)
• M17: 9,523,101 km (0.11 R)
• M18: 10,893,717 km (0.038 R)
• M19: 11,501,683 km (0.07 R)
• M20: 13,052,713 km (0.087 R)
• M21: 14,019,116 km (0.092 R)
• M22: 14,232,143 km (0.096 R)
• M23: 16,248,423 km (0.062 R)
• M24: 16,721,003 km (0.093 R)
• M25: 18,109,720 km (0.115 R)
• M26: 18,789,044 km (0.079 R)
• M27: 20,288,762 km (0.105 R)
• M28: 21,582,335 km (0.073 R)
• M29: 35,917,402 km (0.049 R)
• M30: 39,333,469 km (0.096 R)
• M31: 47,597,854 km (0.036 R)
• M32: 47,918,442 km (0.091 R)
• M33: 48,401,942 km (0.117 R)
• M34: 56,228,903 km (0.107 R)
• M35: 66,843,919 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.3

Radius: 6.7

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.77 AU - 10.65 AU

Year: 19849 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,244,116 km

• M1: 83,326 km (0.06 R)
• M2: 406,009 km (0.06 R)
• M3: 1,331,571 km (0.095 R)
• M4: 1,882,689 km (0.095 R)
• M5: 2,383,244 km (0.078 R)
• M6: 4,951,839 km (0.045 R)
• M7: 5,267,640 km (0.118 R)
• M8: 6,176,148 km (0.115 R)
• M9: 6,880,156 km (0.102 R)
• M10: 13,108,513 km (0.118 R)
• M11: 13,442,416 km (0.082 R)
• M12: 14,057,862 km (0.032 R)
• M13: 18,482,518 km (0.029 R)
• M14: 30,879,244 km (0.101 R)
• M15: 31,589,984 km (0.092 R)
• M16: 35,954,352 km (0.084 R)
• M17: 39,861,699 km (0.086 R)
• M18: 43,894,259 km (0.119 R)
• M19: 50,114,688 km (0.038 R)
• M20: 50,440,213 km (0.102 R)
• M21: 52,423,432 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.3

Radius: 5.9

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.03 AU - 12.13 AU

Year: 20994 Days

Day: 23.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,244,116 km

• M1: 82,728 km (0.105 R)
• M2: 325,974 km (0.099 R)
• M3: 597,943 km (0.107 R)
• M4: 831,615 km (0.119 R)
• M5: 1,316,910 km (0.091 R)
• M6: 4,213,873 km (0.057 R)
• M7: 4,925,659 km (0.08 R)
• M8: 5,889,219 km (0.032 R)
• M9: 12,584,472 km (0.083 R)
• M10: 13,120,631 km (0.069 R)
• M11: 15,350,986 km (0.113 R)
• M12: 24,440,253 km (0.116 R)
• M13: 25,180,463 km (0.118 R)
• M14: 26,803,002 km (0.077 R)
• M15: 29,210,181 km (0.088 R)
• M16: 31,867,189 km (0.114 R)
• M17: 32,973,615 km (0.099 R)
• M18: 41,314,893 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.2

Radius: 4.4

Gravity: 42.26 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 8.35 AU - 13.71 AU

Year: 24031 Days

Day: 23.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,244,116 km

• M1: 101,427 km (0.06 R)
• M2: 543,489 km (0.106 R)
• M3: 1,412,204 km (0.05 R)
• M4: 1,910,066 km (0.066 R)
• M5: 2,078,064 km (0.059 R)
• M6: 3,638,819 km (0.058 R)
• M7: 4,065,921 km (0.064 R)
• M8: 8,701,211 km (0.106 R)
• M9: 13,784,995 km (0.107 R)
• M10: 16,069,055 km (0.089 R)
• M11: 16,327,860 km (0.113 R)
• M12: 18,783,060 km (0.092 R)
• M13: 20,449,131 km (0.108 R)
• M14: 22,748,002 km (0.106 R)
• M15: 23,736,096 km (0.11 R)
• M16: 24,184,291 km (0.101 R)
• M17: 26,152,251 km (0.089 R)
• M18: 28,601,318 km (0.068 R)
• M19: 30,535,319 km (0.11 R)
• M20: 31,065,344 km (0.111 R)
• M21: 37,458,110 km (0.118 R)
• M22: 37,913,037 km (0.089 R)
• M23: 38,065,477 km (0.066 R)
• M24: 47,270,982 km (0.034 R)
• M25: 60,518,323 km (0.089 R)
• M26: 86,144,438 km (0.031 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 14,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit