🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.4

Radius: 12.7

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.58 AU - 0.94 AU

Year: 466 Days

Day: 12.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 175.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,602,855 km

• M1: 157,975 km (0.064 R)
• M2: 810,222 km (0.029 R)
• M3: 1,208,900 km (0.116 R)
• M4: 2,119,652 km (0.1 R)
• M5: 2,864,051 km (0.111 R)
• M6: 3,528,864 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.8

Radius: 8.6

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.62 AU - 0.96 AU

Year: 494 Days

Day: 10.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,602,855 km

• M1: 107,262 km (0.035 R)
• M2: 382,372 km (0.111 R)
• M3: 735,423 km (0.115 R)
• M4: 1,170,005 km (0.055 R)
• M5: 1,487,601 km (0.106 R)
• M6: 1,839,306 km (0.056 R)
• M7: 2,174,255 km (0.119 R)
• M8: 3,217,701 km (0.12 R)
• M9: 3,580,475 km (0.09 R)
• M10: 4,490,180 km (0.097 R)
• M11: 5,198,975 km (0.104 R)
• M12: 5,769,242 km (0.106 R)
• M13: 6,105,687 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.8

Radius: 8.8

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.96 AU - 1.3 AU

Year: 844 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,602,855 km

• M1: 109,506 km (0.097 R)
• M2: 579,093 km (0.088 R)
• M3: 1,250,189 km (0.101 R)
• M4: 1,655,001 km (0.049 R)
• M5: 3,103,707 km (0.112 R)
• M6: 3,658,266 km (0.088 R)
• M7: 6,992,803 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.8

Radius: 9.8

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.98 AU - 1.4 AU

Year: 912 Days

Day: 6.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,602,855 km

• M1: 121,922 km (0.103 R)
• M2: 486,492 km (0.117 R)
• M3: 853,306 km (0.096 R)
• M4: 1,234,332 km (0.07 R)
• M5: 1,642,136 km (0.107 R)
• M6: 2,058,168 km (0.109 R)
• M7: 2,486,167 km (0.099 R)
• M8: 2,960,243 km (0.064 R)
• M9: 3,337,080 km (0.096 R)
• M10: 3,700,453 km (0.091 R)
• M11: 4,788,927 km (0.108 R)
• M12: 5,272,128 km (0.094 R)
• M13: 5,807,838 km (0.096 R)
• M14: 7,537,190 km (0.062 R)
• M15: 8,011,864 km (0.077 R)
• M16: 9,413,895 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.3

Radius: 12.1

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.02 AU - 1.44 AU

Year: 959 Days

Day: 5.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,602,855 km

• M1: 150,795 km (0.119 R)
• M2: 539,600 km (0.108 R)
• M3: 1,115,551 km (0.072 R)
• M4: 1,613,563 km (0.06 R)
• M5: 2,023,610 km (0.108 R)
• M6: 3,307,160 km (0.109 R)
• M7: 3,830,304 km (0.098 R)
• M8: 4,754,071 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996

Radius: 12

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.63 AU - 1.67 AU

Year: 1490 Days

Day: 6.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,602,855 km

• M1: 149,448 km (0.112 R)
• M2: 557,252 km (0.089 R)
• M3: 1,116,449 km (0.106 R)
• M4: 1,507,947 km (0.029 R)
• M5: 2,026,902 km (0.094 R)
• M6: 2,760,679 km (0.053 R)
• M7: 3,205,733 km (0.093 R)
• M8: 4,073,700 km (0.084 R)
• M9: 4,553,310 km (0.051 R)
• M10: 5,070,470 km (0.088 R)
• M11: 7,403,599 km (0.117 R)
• M12: 8,032,358 km (0.115 R)
• M13: 9,202,214 km (0.067 R)
• M14: 9,627,521 km (0.098 R)
• M15: 10,377,305 km (0.068 R)
• M16: 12,343,620 km (0.076 R)
• M17: 14,591,028 km (0.084 R)
• M18: 14,990,455 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.3

Radius: 8.5

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.46 AU - 2.1 AU

Year: 1669 Days

Day: 14.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,602,855 km

• M1: 105,766 km (0.049 R)
• M2: 435,180 km (0.096 R)
• M3: 1,018,612 km (0.095 R)
• M4: 1,962,425 km (0.071 R)
• M5: 2,316,523 km (0.053 R)
• M6: 2,585,350 km (0.046 R)
• M7: 2,997,044 km (0.068 R)
• M8: 4,792,218 km (0.082 R)
• M9: 5,415,443 km (0.106 R)
• M10: 6,476,092 km (0.11 R)
• M11: 6,741,478 km (0.062 R)
• M12: 7,069,547 km (0.055 R)
• M13: 7,408,386 km (0.102 R)
• M14: 8,458,712 km (0.069 R)
• M15: 8,808,472 km (0.092 R)
• M16: 10,376,856 km (0.04 R)
• M17: 11,379,760 km (0.096 R)
• M18: 12,123,411 km (0.103 R)
• M19: 12,982,402 km (0.038 R)
• M20: 13,320,194 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.6

Radius: 13.3

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.82 AU - 4.32 AU

Year: 5772 Days

Day: 12 Hours

Environment

Temp: -224 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,602,855 km

• M1: 165,455 km (0.069 R)
• M2: 1,094,907 km (0.097 R)
• M3: 1,561,652 km (0.027 R)
• M4: 2,210,757 km (0.11 R)
• M5: 3,218,449 km (0.105 R)
• M6: 4,006,530 km (0.081 R)
• M7: 4,645,463 km (0.097 R)
• M8: 5,089,469 km (0.101 R)
• M9: 5,531,531 km (0.092 R)
• M10: 6,193,651 km (0.041 R)
• M11: 6,979,040 km (0.105 R)
• M12: 7,829,803 km (0.12 R)
• M13: 9,604,931 km (0.12 R)
• M14: 11,335,779 km (0.113 R)
• M15: 12,511,468 km (0.105 R)
• M16: 13,542,796 km (0.083 R)
• M17: 15,346,198 km (0.111 R)
• M18: 15,960,746 km (0.113 R)
• M19: 17,043,237 km (0.078 R)
• M20: 18,447,063 km (0.078 R)
• M21: 22,724,365 km (0.103 R)
• M22: 24,258,192 km (0.088 R)
• M23: 30,991,443 km (0.081 R)
• M24: 31,874,968 km (0.112 R)
• M25: 32,876,226 km (0.069 R)
• M26: 34,417,234 km (0.09 R)
• M27: 35,577,665 km (0.065 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.3

Radius: 9.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.3 AU - 5.12 AU

Year: 7185 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,602,855 km

• M1: 123,418 km (0.086 R)
• M2: 489,185 km (0.119 R)
• M3: 905,666 km (0.068 R)
• M4: 1,238,521 km (0.11 R)
• M5: 2,285,855 km (0.083 R)
• M6: 2,772,946 km (0.101 R)
• M7: 4,286,428 km (0.091 R)
• M8: 5,857,355 km (0.116 R)
• M9: 7,178,454 km (0.102 R)
• M10: 7,927,341 km (0.101 R)
• M11: 8,263,936 km (0.074 R)
• M12: 10,092,471 km (0.105 R)
• M13: 10,940,242 km (0.114 R)
• M14: 13,188,548 km (0.109 R)
• M15: 13,503,003 km (0.046 R)
• M16: 15,036,980 km (0.062 R)
• M17: 19,375,019 km (0.12 R)
• M18: 20,752,965 km (0.113 R)
• M19: 22,491,292 km (0.093 R)
• M20: 26,255,623 km (0.081 R)
• M21: 29,697,571 km (0.086 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: 342 - 18,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit