🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.9

Radius: 14.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.49 AU - 0.63 AU

Year: 279 Days

Day: 11.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,510,389 km

• M1: 184,155 km (0.094 R)
• M2: 739,163 km (0.119 R)
• M3: 1,830,180 km (0.085 R)
• M4: 2,343,750 km (0.071 R)
• M5: 3,258,990 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.9

Radius: 14.6

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.59 AU - 0.95 AU

Year: 451 Days

Day: 10.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,510,389 km

• M1: 181,612 km (0.088 R)
• M2: 728,542 km (0.056 R)
• M3: 1,269,039 km (0.101 R)
• M4: 1,729,950 km (0.1 R)
• M5: 2,214,647 km (0.086 R)
• M6: 2,953,212 km (0.086 R)
• M7: 3,759,694 km (0.117 R)
• M8: 4,237,060 km (0.106 R)
• M9: 4,739,709 km (0.099 R)
• M10: 5,365,627 km (0.099 R)
• M11: 5,830,876 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.7

Radius: 11.6

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.89 AU - 1.37 AU

Year: 801 Days

Day: 9.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,510,389 km

• M1: 144,212 km (0.115 R)
• M2: 513,569 km (0.107 R)
• M3: 901,776 km (0.102 R)
• M4: 1,434,045 km (0.051 R)
• M5: 2,467,916 km (0.086 R)
• M6: 3,005,571 km (0.12 R)
• M7: 3,581,223 km (0.09 R)
• M8: 4,085,069 km (0.109 R)
• M9: 4,452,033 km (0.057 R)
• M10: 4,824,980 km (0.082 R)
• M11: 5,372,209 km (0.047 R)
• M12: 5,886,975 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.2

Radius: 9.7

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.16 AU - 1.28 AU

Year: 899 Days

Day: 13.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,510,389 km

• M1: 120,725 km (0.113 R)
• M2: 439,967 km (0.092 R)
• M3: 784,491 km (0.082 R)
• M4: 1,783,805 km (0.076 R)
• M5: 2,145,383 km (0.042 R)
• M6: 2,497,387 km (0.063 R)
• M7: 3,071,543 km (0.116 R)
• M8: 4,014,459 km (0.082 R)
• M9: 5,082,288 km (0.096 R)
• M10: 5,920,934 km (0.095 R)
• M11: 6,462,329 km (0.087 R)
• M12: 6,942,388 km (0.035 R)
• M13: 7,348,247 km (0.072 R)
• M14: 8,077,238 km (0.101 R)
• M15: 8,499,553 km (0.05 R)
• M16: 9,104,377 km (0.081 R)
• M17: 9,620,340 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.9

Radius: 10.5

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.23 AU - 1.61 AU

Year: 1128 Days

Day: 13.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,510,389 km

• M1: 130,599 km (0.069 R)
• M2: 633,846 km (0.033 R)
• M3: 1,055,712 km (0.054 R)
• M4: 1,441,824 km (0.045 R)
• M5: 1,814,473 km (0.087 R)
• M6: 2,274,187 km (0.103 R)
• M7: 3,645,999 km (0.111 R)
• M8: 4,295,404 km (0.091 R)
• M9: 5,138,537 km (0.073 R)
• M10: 7,076,877 km (0.082 R)
• M11: 7,429,180 km (0.104 R)
• M12: 8,306,272 km (0.072 R)
• M13: 8,670,244 km (0.106 R)
• M14: 9,103,330 km (0.044 R)
• M15: 9,581,295 km (0.03 R)
• M16: 10,425,775 km (0.077 R)
• M17: 11,697,207 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.4

Radius: 14.6

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.71 AU - 4.07 AU

Year: 5116 Days

Day: 12.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,510,389 km

• M1: 193,729 km (0.117 R)
• M2: 819,048 km (0.093 R)
• M3: 1,584,690 km (0.055 R)
• M4: 2,175,452 km (0.041 R)
• M5: 2,655,362 km (0.111 R)
• M6: 3,521,833 km (0.047 R)
• M7: 4,142,215 km (0.089 R)
• M8: 4,674,784 km (0.105 R)
• M9: 5,310,575 km (0.116 R)
• M10: 5,972,246 km (0.095 R)
• M11: 7,461,493 km (0.086 R)
• M12: 8,411,589 km (0.096 R)
• M13: 9,919,835 km (0.116 R)
• M14: 12,511,020 km (0.115 R)
• M15: 13,143,071 km (0.045 R)
• M16: 13,907,516 km (0.043 R)
• M17: 14,759,176 km (0.043 R)
• M18: 15,766,269 km (0.065 R)
• M19: 16,629,599 km (0.108 R)
• M20: 19,270,749 km (0.118 R)
• M21: 25,622,824 km (0.098 R)
• M22: 26,215,082 km (0.104 R)
• M23: 31,000,568 km (0.063 R)
• M24: 32,062,115 km (0.064 R)
• M25: 33,047,965 km (0.051 R)
• M26: 33,750,028 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.9

Radius: 14.3

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.74 AU - 5.74 AU

Year: 7999 Days

Day: 10.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,510,389 km

• M1: 177,872 km (0.071 R)
• M2: 639,830 km (0.101 R)
• M3: 1,736,981 km (0.098 R)
• M4: 2,375,315 km (0.106 R)
• M5: 3,463,191 km (0.078 R)
• M6: 6,250,947 km (0.057 R)
• M7: 7,156,313 km (0.071 R)
• M8: 7,671,977 km (0.111 R)
• M9: 8,642,568 km (0.057 R)
• M10: 10,250,446 km (0.033 R)
• M11: 11,633,030 km (0.098 R)
• M12: 14,287,494 km (0.1 R)
• M13: 19,865,700 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.9

Radius: 13

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.13 AU - 6.77 AU

Year: 8484 Days

Day: 5.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,510,389 km

• M1: 163,660 km (0.076 R)
• M2: 910,453 km (0.109 R)
• M3: 2,374,866 km (0.077 R)
• M4: 3,073,339 km (0.099 R)
• M5: 3,805,919 km (0.073 R)
• M6: 7,872,139 km (0.059 R)
• M7: 9,427,359 km (0.09 R)
• M8: 10,671,863 km (0.1 R)
• M9: 11,754,653 km (0.119 R)
• M10: 12,572,055 km (0.08 R)
• M11: 16,626,008 km (0.078 R)
• M12: 20,378,970 km (0.099 R)
• M13: 21,160,469 km (0.042 R)
• M14: 21,800,000 km (0.08 R)
• M15: 25,015,457 km (0.094 R)
• M16: 30,614,755 km (0.09 R)
• M17: 32,266,017 km (0.058 R)
• M18: 35,971,107 km (0.113 R)
• M19: 39,108,623 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.6

Radius: 7

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.09 AU - 7.03 AU

Year: 11204 Days

Day: 19.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,510,389 km

• M1: 87,066 km (0.091 R)
• M2: 411,993 km (0.119 R)
• M3: 725,550 km (0.11 R)
• M4: 1,650,214 km (0.116 R)
• M5: 2,591,334 km (0.051 R)
• M6: 3,584,515 km (0.066 R)
• M7: 4,474,323 km (0.095 R)
• M8: 5,164,268 km (0.108 R)
• M9: 5,662,279 km (0.097 R)
• M10: 6,294,779 km (0.109 R)
• M11: 6,717,992 km (0.071 R)
• M12: 7,273,299 km (0.101 R)
• M13: 7,699,653 km (0.047 R)
• M14: 9,804,644 km (0.076 R)
• M15: 10,665,730 km (0.086 R)
• M16: 12,157,819 km (0.043 R)
• M17: 13,094,302 km (0.103 R)
• M18: 13,842,441 km (0.077 R)
• M19: 15,110,432 km (0.039 R)
• M20: 16,257,399 km (0.102 R)
• M21: 27,413,511 km (0.073 R)
• M22: 29,991,680 km (0.051 R)
• M23: 31,288,843 km (0.081 R)
• M24: 31,593,275 km (0.108 R)
• M25: 33,780,994 km (0.119 R)
• M26: 39,156,644 km (0.114 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 16,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit