🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.7

Radius: 10.5

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.87 AU - 1.03 AU

Year: 651 Days

Day: 13.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,532,492 km

• M1: 130,749 km (0.111 R)
• M2: 499,956 km (0.069 R)
• M3: 847,322 km (0.058 R)
• M4: 1,218,475 km (0.089 R)
• M5: 1,798,615 km (0.091 R)
• M6: 2,335,522 km (0.077 R)
• M7: 3,313,443 km (0.107 R)
• M8: 3,902,859 km (0.034 R)
• M9: 4,230,628 km (0.102 R)
• M10: 5,769,541 km (0.074 R)
• M11: 6,438,543 km (0.096 R)
• M12: 6,898,407 km (0.1 R)
• M13: 7,767,570 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.8

Radius: 11.5

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.3 AU - 1.68 AU

Year: 1278 Days

Day: 7.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,532,492 km

• M1: 143,016 km (0.101 R)
• M2: 574,456 km (0.078 R)
• M3: 1,229,246 km (0.027 R)
• M4: 1,638,994 km (0.043 R)
• M5: 2,140,746 km (0.118 R)
• M6: 2,506,512 km (0.064 R)
• M7: 2,887,688 km (0.101 R)
• M8: 3,426,838 km (0.045 R)
• M9: 3,849,752 km (0.114 R)
• M10: 4,577,695 km (0.064 R)
• M11: 7,218,546 km (0.06 R)
• M12: 8,408,747 km (0.093 R)
• M13: 9,664,172 km (0.074 R)
• M14: 10,257,028 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.8

Radius: 12.2

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.8 AU - 2.92 AU

Year: 2548 Days

Day: 11.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,532,492 km

• M1: 158,125 km (0.077 R)
• M2: 641,176 km (0.102 R)
• M3: 1,793,080 km (0.104 R)
• M4: 2,316,373 km (0.085 R)
• M5: 3,341,418 km (0.07 R)
• M6: 6,072,178 km (0.049 R)
• M7: 13,532,623 km (0.102 R)
• M8: 14,388,323 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.8

Radius: 12.4

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.05 AU - 3.27 AU

Year: 3949 Days

Day: 13.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,532,492 km

• M1: 157,527 km (0.103 R)
• M2: 877,092 km (0.087 R)
• M3: 1,372,860 km (0.116 R)
• M4: 3,078,724 km (0.083 R)
• M5: 3,757,300 km (0.108 R)
• M6: 5,125,223 km (0.037 R)
• M7: 6,832,883 km (0.052 R)
• M8: 13,296,708 km (0.11 R)
• M9: 15,362,953 km (0.076 R)
• M10: 16,302,727 km (0.106 R)
• M11: 17,222,006 km (0.041 R)
• M12: 18,236,280 km (0.106 R)
• M13: 21,654,741 km (0.104 R)
• M14: 23,120,201 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.4

Radius: 10.2

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.62 AU - 4.42 AU

Year: 5666 Days

Day: 13.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,532,492 km

• M1: 127,607 km (0.108 R)
• M2: 462,257 km (0.113 R)
• M3: 1,039,705 km (0.117 R)
• M4: 1,426,715 km (0.101 R)
• M5: 2,570,690 km (0.09 R)
• M6: 2,984,627 km (0.096 R)
• M7: 3,377,471 km (0.065 R)
• M8: 3,875,632 km (0.104 R)
• M9: 5,367,572 km (0.103 R)
• M10: 5,919,887 km (0.096 R)
• M11: 6,341,903 km (0.06 R)
• M12: 7,138,212 km (0.06 R)
• M13: 10,952,958 km (0.061 R)
• M14: 12,672,585 km (0.054 R)
• M15: 14,275,975 km (0.082 R)
• M16: 14,682,433 km (0.065 R)
• M17: 16,449,183 km (0.076 R)
• M18: 18,696,143 km (0.113 R)
• M19: 19,042,911 km (0.098 R)
• M20: 20,254,505 km (0.075 R)
• M21: 20,842,125 km (0.116 R)
• M22: 25,363,272 km (0.043 R)
• M23: 28,900,513 km (0.103 R)
• M24: 31,858,363 km (0.086 R)
• M25: 34,698,478 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.3

Radius: 9.9

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.56 AU - 5.74 AU

Year: 7048 Days

Day: 9.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,532,492 km

• M1: 123,568 km (0.109 R)
• M2: 661,671 km (0.094 R)
• M3: 1,575,415 km (0.093 R)
• M4: 2,164,681 km (0.096 R)
• M5: 3,200,646 km (0.111 R)
• M6: 4,173,481 km (0.1 R)
• M7: 4,565,278 km (0.06 R)
• M8: 7,085,703 km (0.078 R)
• M9: 7,837,881 km (0.093 R)
• M10: 8,725,595 km (0.098 R)
• M11: 9,545,092 km (0.079 R)
• M12: 9,905,174 km (0.117 R)
• M13: 10,796,778 km (0.111 R)
• M14: 11,187,826 km (0.116 R)
• M15: 12,739,156 km (0.114 R)
• M16: 13,120,930 km (0.116 R)
• M17: 13,566,582 km (0.114 R)
• M18: 15,947,881 km (0.067 R)
• M19: 16,455,616 km (0.117 R)
• M20: 17,975,531 km (0.074 R)
• M21: 19,876,620 km (0.088 R)
• M22: 20,913,483 km (0.107 R)
• M23: 22,774,331 km (0.032 R)
• M24: 23,094,770 km (0.073 R)
• M25: 24,658,666 km (0.033 R)
• M26: 26,733,439 km (0.114 R)
• M27: 27,179,988 km (0.052 R)
• M28: 27,813,386 km (0.096 R)
• M29: 32,324,061 km (0.115 R)
• M30: 36,092,281 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.9

Radius: 5.2

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.04 AU - 8.04 AU

Year: 11756 Days

Day: 16.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,532,492 km

• M1: 64,776 km (0.064 R)
• M2: 304,880 km (0.043 R)
• M3: 668,702 km (0.117 R)
• M4: 854,204 km (0.087 R)
• M5: 1,135,149 km (0.096 R)
• M6: 1,956,291 km (0.073 R)
• M7: 3,688,934 km (0.117 R)
• M8: 4,174,828 km (0.102 R)
• M9: 6,689,568 km (0.095 R)
• M10: 9,747,348 km (0.113 R)
• M11: 10,018,869 km (0.039 R)
• M12: 12,114,136 km (0.101 R)
• M13: 33,148,794 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.8

Radius: 4.5

Gravity: 48.04 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.73 AU - 7.55 AU

Year: 12027 Days

Day: 23.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,532,492 km

• M1: 55,950 km (0.12 R)
• M2: 287,078 km (0.06 R)
• M3: 500,405 km (0.11 R)
• M4: 1,113,607 km (0.08 R)
• M5: 3,215,157 km (0.102 R)
• M6: 4,130,098 km (0.086 R)
• M7: 5,942,925 km (0.077 R)
• M8: 6,256,183 km (0.096 R)
• M9: 8,714,824 km (0.115 R)
• M10: 19,708,771 km (0.089 R)
• M11: 19,967,725 km (0.073 R)
• M12: 20,936,671 km (0.105 R)
• M13: 21,936,733 km (0.103 R)
• M14: 22,214,835 km (0.071 R)
• M15: 22,495,331 km (0.044 R)
• M16: 25,738,463 km (0.115 R)
• M17: 31,931,516 km (0.119 R)
• M18: 34,738,870 km (0.08 R)
• M19: 39,456,438 km (0.099 R)
• M20: 39,867,683 km (0.108 R)
• M21: 45,629,146 km (0.107 R)
• M22: 49,657,218 km (0.088 R)
• M23: 55,273,720 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.5

Radius: 6.2

Gravity: 24.7 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.04 AU - 8.32 AU

Year: 13524 Days

Day: 20.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 34,532,492 km

• M1: 77,193 km (0.098 R)
• M2: 324,927 km (0.106 R)
• M3: 583,880 km (0.088 R)
• M4: 791,373 km (0.059 R)
• M5: 2,176,350 km (0.055 R)
• M6: 2,665,535 km (0.118 R)
• M7: 2,876,019 km (0.087 R)
• M8: 3,251,510 km (0.114 R)
• M9: 3,773,457 km (0.075 R)
• M10: 5,123,877 km (0.086 R)
• M11: 5,791,083 km (0.043 R)
• M12: 6,514,538 km (0.077 R)
• M13: 7,029,305 km (0.108 R)
• M14: 8,942,063 km (0.075 R)
• M15: 9,362,433 km (0.105 R)
• M16: 11,237,044 km (0.109 R)
• M17: 16,322,773 km (0.049 R)
• M18: 16,792,062 km (0.095 R)
• M19: 18,675,050 km (0.104 R)
• M20: 22,660,936 km (0.102 R)
• M21: 26,103,781 km (0.081 R)
• M22: 26,530,434 km (0.114 R)
• M23: 31,415,104 km (0.05 R)
• M24: 33,752,122 km (0.097 R)
• M25: 34,641,631 km (0.039 R)
• M26: 39,885,335 km (0.049 R)
• M27: 40,451,414 km (0.098 R)
• M28: 40,879,413 km (0.082 R)
• M29: 41,310,405 km (0.085 R)
• M30: 42,768,984 km (0.117 R)
• M31: 43,064,739 km (0.043 R)
• M32: 44,716,000 km (0.093 R)
• M33: 58,558,291 km (0.072 R)
• M34: 60,397,298 km (0.044 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.9

Radius: 4.8

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.92 AU - 8.12 AU

Year: 14496 Days

Day: 23 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,532,492 km

• M1: 89,310 km (0.108 R)
• M2: 1,047,484 km (0.109 R)
• M3: 1,820,008 km (0.083 R)
• M4: 2,136,258 km (0.113 R)
• M5: 2,595,523 km (0.106 R)
• M6: 3,016,342 km (0.076 R)
• M7: 3,243,132 km (0.089 R)
• M8: 4,446,797 km (0.088 R)
• M9: 5,191,944 km (0.111 R)
• M10: 5,732,740 km (0.075 R)
• M11: 8,000,345 km (0.097 R)
• M12: 10,243,265 km (0.105 R)
• M13: 13,088,168 km (0.119 R)
• M14: 16,608,356 km (0.099 R)
• M15: 16,991,625 km (0.054 R)
• M16: 17,709,695 km (0.118 R)
• M17: 24,116,972 km (0.077 R)
• M18: 25,781,248 km (0.105 R)
• M19: 26,728,502 km (0.07 R)
• M20: 34,326,129 km (0.097 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 14,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit