🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.7

Radius: 9.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.58 AU - 0.66 AU

Year: 326 Days

Day: 13.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,778,129 km

• M1: 118,182 km (0.064 R)
• M2: 508,034 km (0.086 R)
• M3: 927,058 km (0.097 R)
• M4: 1,431,053 km (0.116 R)
• M5: 1,776,774 km (0.109 R)
• M6: 2,193,853 km (0.098 R)
• M7: 2,666,881 km (0.12 R)
• M8: 3,226,826 km (0.055 R)
• M9: 3,616,678 km (0.043 R)
• M10: 4,049,764 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.8

Radius: 13.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.96 AU - 1.22 AU

Year: 759 Days

Day: 6.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,778,129 km

• M1: 168,148 km (0.069 R)
• M2: 638,633 km (0.101 R)
• M3: 1,456,036 km (0.049 R)
• M4: 2,088,685 km (0.12 R)
• M5: 3,348,599 km (0.064 R)
• M6: 4,685,106 km (0.099 R)
• M7: 6,174,802 km (0.114 R)
• M8: 7,007,763 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.3

Radius: 10.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.28 AU - 1.94 AU

Year: 1362 Days

Day: 11.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,778,129 km

• M1: 127,457 km (0.116 R)
• M2: 475,272 km (0.06 R)
• M3: 817,702 km (0.104 R)
• M4: 1,167,312 km (0.107 R)
• M5: 1,513,482 km (0.084 R)
• M6: 2,329,538 km (0.082 R)
• M7: 2,718,343 km (0.05 R)
• M8: 4,242,745 km (0.11 R)
• M9: 4,892,598 km (0.12 R)
• M10: 5,570,875 km (0.082 R)
• M11: 5,885,779 km (0.091 R)
• M12: 6,350,430 km (0.104 R)
• M13: 6,777,083 km (0.057 R)
• M14: 7,463,887 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.9

Radius: 11.9

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.44 AU - 2 AU

Year: 1504 Days

Day: 12.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,778,129 km

• M1: 148,251 km (0.099 R)
• M2: 591,959 km (0.117 R)
• M3: 1,057,657 km (0.103 R)
• M4: 2,129,077 km (0.115 R)
• M5: 2,712,509 km (0.096 R)
• M6: 3,148,886 km (0.052 R)
• M7: 4,220,455 km (0.07 R)
• M8: 6,551,190 km (0.074 R)
• M9: 7,620,815 km (0.095 R)
• M10: 10,275,728 km (0.097 R)
• M11: 10,944,431 km (0.03 R)
• M12: 11,418,656 km (0.108 R)
• M13: 12,763,541 km (0.084 R)
• M14: 13,955,836 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.4

Radius: 12.6

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.92 AU - 2.3 AU

Year: 2044 Days

Day: 13.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,778,129 km

• M1: 156,629 km (0.102 R)
• M2: 551,867 km (0.037 R)
• M3: 957,127 km (0.096 R)
• M4: 1,374,356 km (0.054 R)
• M5: 1,814,772 km (0.034 R)
• M6: 2,350,332 km (0.107 R)
• M7: 2,789,701 km (0.093 R)
• M8: 3,951,029 km (0.093 R)
• M9: 5,802,752 km (0.085 R)
• M10: 6,212,500 km (0.114 R)
• M11: 6,724,424 km (0.08 R)
• M12: 7,956,512 km (0.066 R)
• M13: 9,196,230 km (0.116 R)
• M14: 12,430,237 km (0.074 R)
• M15: 12,854,945 km (0.119 R)
• M16: 13,510,184 km (0.088 R)
• M17: 14,651,466 km (0.097 R)
• M18: 16,763,638 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.3

Radius: 14.4

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.63 AU - 2.95 AU

Year: 3108 Days

Day: 6.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,778,129 km

• M1: 179,069 km (0.094 R)
• M2: 678,726 km (0.08 R)
• M3: 2,233,795 km (0.084 R)
• M4: 2,845,052 km (0.097 R)
• M5: 3,384,801 km (0.09 R)
• M6: 4,740,607 km (0.093 R)
• M7: 5,479,620 km (0.032 R)
• M8: 6,076,666 km (0.119 R)
• M9: 6,630,926 km (0.103 R)
• M10: 7,619,618 km (0.047 R)
• M11: 8,499,852 km (0.101 R)
• M12: 9,889,915 km (0.119 R)
• M13: 11,551,349 km (0.105 R)
• M14: 17,318,198 km (0.034 R)
• M15: 17,871,710 km (0.089 R)
• M16: 19,543,765 km (0.058 R)
• M17: 20,818,189 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.6

Radius: 12.4

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.32 AU - 5.58 AU

Year: 8484 Days

Day: 8.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,778,129 km

• M1: 154,385 km (0.065 R)
• M2: 568,921 km (0.12 R)
• M3: 1,169,556 km (0.119 R)
• M4: 1,729,651 km (0.118 R)
• M5: 2,228,111 km (0.094 R)
• M6: 2,619,459 km (0.061 R)
• M7: 3,897,174 km (0.076 R)
• M8: 4,764,243 km (0.084 R)
• M9: 6,465,620 km (0.114 R)
• M10: 6,880,455 km (0.035 R)
• M11: 8,276,502 km (0.119 R)
• M12: 9,706,957 km (0.094 R)
• M13: 10,455,395 km (0.07 R)
• M14: 12,524,633 km (0.107 R)
• M15: 17,676,335 km (0.118 R)
• M16: 23,029,096 km (0.119 R)
• M17: 23,644,093 km (0.102 R)
• M18: 29,067,465 km (0.109 R)
• M19: 34,008,084 km (0.104 R)
• M20: 37,034,598 km (0.05 R)
• M21: 39,857,809 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.4

Radius: 7.3

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.52 AU - 7.36 AU

Year: 12192 Days

Day: 24.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,778,129 km

• M1: 130,599 km (0.12 R)
• M2: 376,538 km (0.082 R)
• M3: 862,581 km (0.109 R)
• M4: 1,688,212 km (0.088 R)
• M5: 3,877,278 km (0.109 R)
• M6: 4,855,947 km (0.096 R)
• M7: 6,195,297 km (0.092 R)
• M8: 6,764,965 km (0.029 R)
• M9: 7,604,658 km (0.113 R)
• M10: 10,294,877 km (0.105 R)
• M11: 12,203,596 km (0.105 R)
• M12: 13,270,079 km (0.106 R)
• M13: 13,974,984 km (0.12 R)
• M14: 15,976,305 km (0.12 R)
• M15: 18,304,347 km (0.12 R)
• M16: 19,549,001 km (0.101 R)
• M17: 22,698,784 km (0.112 R)
• M18: 25,094,744 km (0.109 R)
• M19: 30,888,071 km (0.089 R)
• M20: 33,285,526 km (0.098 R)
• M21: 33,930,742 km (0.116 R)
• M22: 37,397,972 km (0.106 R)
• M23: 38,564,985 km (0.119 R)
• M24: 39,876,360 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.8

Radius: 5.9

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.15 AU - 11.01 AU

Year: 18246 Days

Day: 20.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,778,129 km

• M1: 73,453 km (0.071 R)
• M2: 746,194 km (0.102 R)
• M3: 1,910,814 km (0.107 R)
• M4: 3,556,241 km (0.054 R)
• M5: 3,897,473 km (0.095 R)
• M6: 5,137,789 km (0.096 R)
• M7: 6,323,352 km (0.114 R)
• M8: 10,493,543 km (0.11 R)
• M9: 11,484,479 km (0.081 R)
• M10: 16,259,344 km (0.099 R)
• M11: 18,909,021 km (0.079 R)
• M12: 20,087,404 km (0.1 R)
• M13: 20,371,640 km (0.067 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: 266 - 19,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit