🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.2

Radius: 9.3

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.63 AU - 0.77 AU

Year: 378 Days

Day: 5.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,702,752 km

• M1: 115,639 km (0.054 R)
• M2: 420,071 km (0.07 R)
• M3: 925,113 km (0.094 R)
• M4: 1,369,269 km (0.116 R)
• M5: 1,739,075 km (0.097 R)
• M6: 2,098,858 km (0.038 R)
• M7: 3,288,760 km (0.102 R)
• M8: 3,730,223 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.6

Radius: 13.9

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.27 AU - 1.55 AU

Year: 1081 Days

Day: 6.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,702,752 km

• M1: 172,935 km (0.078 R)
• M2: 668,403 km (0.088 R)
• M3: 1,397,843 km (0.071 R)
• M4: 1,878,500 km (0.117 R)
• M5: 2,378,905 km (0.08 R)
• M6: 2,876,917 km (0.114 R)
• M7: 3,549,060 km (0.046 R)
• M8: 4,120,374 km (0.097 R)
• M9: 4,697,672 km (0.069 R)
• M10: 5,249,240 km (0.037 R)
• M11: 5,929,312 km (0.095 R)
• M12: 6,551,938 km (0.096 R)
• M13: 7,366,349 km (0.081 R)
• M14: 8,996,068 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.5

Radius: 10.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.09 AU - 2.15 AU

Year: 1993 Days

Day: 10.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,702,752 km

• M1: 128,056 km (0.097 R)
• M2: 748,737 km (0.048 R)
• M3: 1,355,506 km (0.057 R)
• M4: 2,344,947 km (0.091 R)
• M5: 3,409,934 km (0.115 R)
• M6: 5,974,640 km (0.088 R)
• M7: 6,578,267 km (0.029 R)
• M8: 7,803,025 km (0.064 R)
• M9: 8,145,006 km (0.068 R)
• M10: 10,100,699 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.2

Radius: 8.7

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.83 AU - 3.17 AU

Year: 3355 Days

Day: 9.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,702,752 km

• M1: 108,159 km (0.112 R)
• M2: 415,284 km (0.055 R)
• M3: 721,810 km (0.113 R)
• M4: 1,013,825 km (0.101 R)
• M5: 1,287,439 km (0.074 R)
• M6: 1,727,107 km (0.118 R)
• M7: 2,029,146 km (0.083 R)
• M8: 2,676,306 km (0.064 R)
• M9: 3,228,621 km (0.065 R)
• M10: 6,024,905 km (0.049 R)
• M11: 7,353,184 km (0.104 R)
• M12: 8,470,381 km (0.082 R)
• M13: 8,830,164 km (0.114 R)
• M14: 11,122,751 km (0.099 R)
• M15: 11,952,870 km (0.059 R)
• M16: 14,334,318 km (0.034 R)
• M17: 15,422,942 km (0.071 R)
• M18: 16,902,166 km (0.117 R)
• M19: 17,998,419 km (0.113 R)
• M20: 19,202,682 km (0.105 R)
• M21: 19,761,879 km (0.073 R)
• M22: 20,331,847 km (0.052 R)
• M23: 21,838,148 km (0.111 R)
• M24: 22,929,015 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.8

Radius: 14.3

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3 AU - 3.5 AU

Year: 3783 Days

Day: 6.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,702,752 km

• M1: 177,872 km (0.083 R)
• M2: 820,096 km (0.069 R)
• M3: 2,926,733 km (0.12 R)
• M4: 4,648,305 km (0.117 R)
• M5: 5,684,121 km (0.097 R)
• M6: 6,521,570 km (0.105 R)
• M7: 7,360,215 km (0.101 R)
• M8: 8,014,407 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.8

Radius: 10

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.36 AU - 4.38 AU

Year: 4916 Days

Day: 7.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,702,752 km

• M1: 124,914 km (0.071 R)
• M2: 533,167 km (0.053 R)
• M3: 862,282 km (0.114 R)
• M4: 1,386,323 km (0.114 R)
• M5: 2,128,329 km (0.108 R)
• M6: 2,472,105 km (0.082 R)
• M7: 3,039,081 km (0.108 R)
• M8: 3,415,319 km (0.045 R)
• M9: 3,867,404 km (0.09 R)
• M10: 4,658,478 km (0.092 R)
• M11: 5,025,292 km (0.086 R)
• M12: 5,611,715 km (0.111 R)
• M13: 6,495,839 km (0.109 R)
• M14: 7,611,839 km (0.094 R)
• M15: 8,010,966 km (0.103 R)
• M16: 10,004,208 km (0.109 R)
• M17: 10,751,449 km (0.059 R)
• M18: 11,441,395 km (0.058 R)
• M19: 12,307,866 km (0.08 R)
• M20: 16,038,089 km (0.114 R)
• M21: 19,237,239 km (0.084 R)
• M22: 20,670,087 km (0.103 R)
• M23: 21,305,430 km (0.107 R)
• M24: 23,594,127 km (0.085 R)
• M25: 24,837,286 km (0.118 R)
• M26: 26,617,201 km (0.096 R)
• M27: 29,179,364 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.7

Radius: 7

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 9.46 AU - 12.1 AU

Year: 22853 Days

Day: 21.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,702,752 km

• M1: 87,814 km (0.049 R)
• M2: 325,675 km (0.075 R)
• M3: 658,380 km (0.054 R)
• M4: 1,054,665 km (0.056 R)
• M5: 1,279,062 km (0.053 R)
• M6: 2,387,732 km (0.104 R)
• M7: 3,608,001 km (0.096 R)
• M8: 3,876,380 km (0.119 R)
• M9: 5,086,477 km (0.087 R)
• M10: 8,432,832 km (0.103 R)
• M11: 10,083,046 km (0.108 R)
• M12: 10,922,290 km (0.062 R)
• M13: 12,535,404 km (0.087 R)
• M14: 14,008,045 km (0.087 R)
• M15: 14,899,499 km (0.061 R)
• M16: 15,749,365 km (0.078 R)
• M17: 17,042,788 km (0.106 R)
• M18: 18,492,840 km (0.114 R)
• M19: 24,268,515 km (0.07 R)
• M20: 26,321,596 km (0.049 R)
• M21: 26,880,493 km (0.114 R)
• M22: 28,022,075 km (0.109 R)
• M23: 30,401,728 km (0.104 R)
• M24: 35,018,618 km (0.096 R)
• M25: 38,629,461 km (0.084 R)
• M26: 41,120,116 km (0.117 R)
• M27: 42,328,269 km (0.091 R)
• M28: 43,560,058 km (0.11 R)
• M29: 49,062,267 km (0.119 R)
• M30: 61,616,969 km (0.027 R)
• M31: 62,009,813 km (0.065 R)
• M32: 65,824,559 km (0.067 R)
• M33: 67,268,478 km (0.112 R)
• M34: 70,863,015 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 501.2

Radius: 4

Gravity: 31.33 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.81 AU - 10.97 AU

Year: 23204 Days

Day: 18.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,702,752 km

• M1: 49,816 km (0.082 R)
• M2: 227,688 km (0.1 R)
• M3: 434,731 km (0.063 R)
• M4: 780,751 km (0.115 R)
• M5: 1,348,924 km (0.077 R)
• M6: 1,506,002 km (0.067 R)
• M7: 2,391,920 km (0.09 R)
• M8: 2,670,771 km (0.057 R)
• M9: 4,641,723 km (0.038 R)
• M10: 5,187,905 km (0.043 R)
• M11: 5,898,345 km (0.057 R)
• M12: 6,064,698 km (0.116 R)
• M13: 6,191,407 km (0.066 R)
• M14: 6,897,808 km (0.113 R)
• M15: 7,607,351 km (0.105 R)
• M16: 8,260,495 km (0.075 R)
• M17: 9,506,346 km (0.056 R)
• M18: 10,934,557 km (0.119 R)
• M19: 12,162,008 km (0.101 R)
• M20: 13,478,469 km (0.077 R)
• M21: 19,238,137 km (0.114 R)
• M22: 21,602,531 km (0.108 R)
• M23: 22,803,353 km (0.107 R)
• M24: 28,998,949 km (0.09 R)
• M25: 30,211,739 km (0.09 R)
• M26: 33,654,435 km (0.114 R)
• M27: 38,494,374 km (0.114 R)
• M28: 41,457,908 km (0.037 R)
• M29: 45,695,118 km (0.108 R)
• M30: 46,019,895 km (0.075 R)
• M31: 46,346,318 km (0.04 R)
• M32: 52,134,260 km (0.048 R)
• M33: 53,743,185 km (0.063 R)
• M34: 61,492,504 km (0.112 R)
• M35: 64,096,853 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 12,392 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit