🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.9

Radius: 13.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.55 AU - 0.75 AU

Year: 349 Days

Day: 14.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,573,753 km

• M1: 172,935 km (0.069 R)
• M2: 632,350 km (0.073 R)
• M3: 1,197,531 km (0.062 R)
• M4: 1,646,474 km (0.109 R)
• M5: 2,288,698 km (0.101 R)
• M6: 2,759,333 km (0.066 R)
• M7: 4,149,247 km (0.063 R)
• M8: 5,415,443 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.5

Radius: 12.7

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.64 AU - 0.76 AU

Year: 391 Days

Day: 14.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,573,753 km

• M1: 157,975 km (0.097 R)
• M2: 677,828 km (0.087 R)
• M3: 1,223,112 km (0.104 R)
• M4: 1,659,340 km (0.082 R)
• M5: 2,073,875 km (0.065 R)
• M6: 2,558,273 km (0.114 R)
• M7: 3,041,175 km (0.091 R)
• M8: 3,683,548 km (0.109 R)
• M9: 4,124,862 km (0.071 R)
• M10: 4,763,645 km (0.089 R)
• M11: 5,922,281 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.9

Radius: 12.8

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.22 AU - 1.5 AU

Year: 1058 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,573,753 km

• M1: 159,172 km (0.082 R)
• M2: 620,083 km (0.111 R)
• M3: 1,040,154 km (0.094 R)
• M4: 1,505,254 km (0.066 R)
• M5: 2,171,413 km (0.117 R)
• M6: 2,691,714 km (0.05 R)
• M7: 3,710,626 km (0.097 R)
• M8: 4,409,397 km (0.076 R)
• M9: 5,063,589 km (0.039 R)
• M10: 5,600,944 km (0.094 R)
• M11: 6,008,000 km (0.106 R)
• M12: 6,478,485 km (0.097 R)
• M13: 7,066,255 km (0.097 R)
• M14: 8,586,170 km (0.094 R)
• M15: 8,991,131 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.3

Radius: 10.4

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.18 AU - 1.9 AU

Year: 1274 Days

Day: 11.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,573,753 km

• M1: 129,552 km (0.084 R)
• M2: 477,367 km (0.03 R)
• M3: 982,260 km (0.079 R)
• M4: 1,472,791 km (0.12 R)
• M5: 1,819,110 km (0.11 R)
• M6: 2,275,832 km (0.101 R)
• M7: 3,348,150 km (0.084 R)
• M8: 3,745,482 km (0.063 R)
• M9: 4,654,439 km (0.116 R)
• M10: 5,111,610 km (0.115 R)
• M11: 6,205,918 km (0.096 R)
• M12: 7,099,616 km (0.096 R)
• M13: 7,603,312 km (0.07 R)
• M14: 8,076,789 km (0.102 R)
• M15: 8,795,607 km (0.106 R)
• M16: 9,496,323 km (0.079 R)
• M17: 10,811,737 km (0.037 R)
• M18: 11,445,135 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.6

Radius: 11.2

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.85 AU - 4.11 AU

Year: 5295 Days

Day: 6.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,573,753 km

• M1: 139,276 km (0.098 R)
• M2: 593,904 km (0.06 R)
• M3: 2,892,624 km (0.047 R)
• M4: 4,669,548 km (0.115 R)
• M5: 5,252,531 km (0.108 R)
• M6: 8,278,597 km (0.072 R)
• M7: 8,719,611 km (0.065 R)
• M8: 9,176,184 km (0.057 R)
• M9: 9,957,833 km (0.064 R)
• M10: 10,830,437 km (0.102 R)
• M11: 11,903,652 km (0.061 R)
• M12: 12,675,128 km (0.03 R)
• M13: 13,316,006 km (0.07 R)
• M14: 15,249,857 km (0.112 R)
• M15: 15,974,958 km (0.105 R)
• M16: 16,533,856 km (0.07 R)
• M17: 20,237,002 km (0.071 R)
• M18: 20,744,886 km (0.045 R)
• M19: 21,261,149 km (0.065 R)
• M20: 25,035,952 km (0.115 R)
• M21: 26,993,889 km (0.095 R)
• M22: 28,505,276 km (0.076 R)
• M23: 29,235,762 km (0.092 R)
• M24: 31,308,740 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.5

Radius: 10.1

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.9 AU - 6.24 AU

Year: 8766 Days

Day: 10.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,573,753 km

• M1: 125,812 km (0.117 R)
• M2: 600,935 km (0.055 R)
• M3: 1,071,420 km (0.084 R)
• M4: 1,469,500 km (0.067 R)
• M5: 2,063,852 km (0.072 R)
• M6: 5,399,885 km (0.108 R)
• M7: 8,270,369 km (0.062 R)
• M8: 8,877,287 km (0.079 R)
• M9: 11,699,002 km (0.039 R)
• M10: 20,640,916 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.5

Radius: 4.9

Gravity: 21.47 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.6 AU - 7.12 AU

Year: 10696 Days

Day: 23.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,573,753 km

• M1: 62,083 km (0.098 R)
• M2: 224,098 km (0.088 R)
• M3: 378,183 km (0.071 R)
• M4: 870,660 km (0.049 R)
• M5: 1,148,762 km (0.108 R)
• M6: 1,391,410 km (0.118 R)
• M7: 1,803,851 km (0.074 R)
• M8: 2,221,229 km (0.096 R)
• M9: 2,741,531 km (0.103 R)
• M10: 3,131,083 km (0.12 R)
• M11: 3,532,155 km (0.085 R)
• M12: 3,732,317 km (0.105 R)
• M13: 4,464,599 km (0.108 R)
• M14: 5,192,093 km (0.084 R)
• M15: 5,517,469 km (0.117 R)
• M16: 6,066,194 km (0.076 R)
• M17: 6,390,372 km (0.073 R)
• M18: 7,554,992 km (0.095 R)
• M19: 8,494,317 km (0.086 R)
• M20: 9,177,680 km (0.076 R)
• M21: 9,366,023 km (0.025 R)
• M22: 10,601,851 km (0.065 R)
• M23: 14,003,857 km (0.054 R)
• M24: 15,480,537 km (0.053 R)
• M25: 16,222,244 km (0.089 R)
• M26: 22,769,843 km (0.091 R)
• M27: 23,115,115 km (0.112 R)
• M28: 24,712,671 km (0.105 R)
• M29: 25,169,243 km (0.111 R)
• M30: 28,523,527 km (0.085 R)
• M31: 29,228,282 km (0.026 R)
• M32: 30,255,272 km (0.089 R)
• M33: 34,945,913 km (0.082 R)
• M34: 35,175,247 km (0.111 R)
• M35: 36,689,925 km (0.097 R)
• M36: 45,190,525 km (0.118 R)
• M37: 45,462,643 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.5

Radius: 8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.17 AU - 7.45 AU

Year: 11851 Days

Day: 22.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,573,753 km

• M1: 470,186 km (0.068 R)
• M2: 736,919 km (0.104 R)
• M3: 1,533,977 km (0.055 R)
• M4: 3,375,826 km (0.116 R)
• M5: 4,274,011 km (0.06 R)
• M6: 4,606,418 km (0.113 R)
• M7: 7,128,189 km (0.111 R)
• M8: 10,849,885 km (0.09 R)
• M9: 11,417,459 km (0.099 R)
• M10: 14,310,383 km (0.092 R)
• M11: 14,680,039 km (0.064 R)
• M12: 15,310,145 km (0.118 R)
• M13: 16,089,999 km (0.112 R)
• M14: 16,827,965 km (0.074 R)
• M15: 25,762,698 km (0.119 R)
• M16: 34,257,164 km (0.086 R)
• M17: 37,071,100 km (0.119 R)
• M18: 37,418,766 km (0.091 R)
• M19: 38,950,648 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.3

Radius: 6.2

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.28 AU - 9.62 AU

Year: 14948 Days

Day: 24.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,573,753 km

• M1: 82,279 km (0.091 R)
• M2: 300,243 km (0.114 R)
• M3: 1,411,905 km (0.086 R)
• M4: 1,633,160 km (0.058 R)
• M5: 2,308,894 km (0.087 R)
• M6: 3,464,088 km (0.101 R)
• M7: 4,057,393 km (0.034 R)
• M8: 4,807,328 km (0.11 R)
• M9: 5,183,117 km (0.104 R)
• M10: 6,354,618 km (0.102 R)
• M11: 7,081,215 km (0.092 R)
• M12: 7,526,418 km (0.109 R)
• M13: 8,652,890 km (0.107 R)
• M14: 10,239,077 km (0.12 R)
• M15: 12,701,308 km (0.09 R)
• M16: 16,632,441 km (0.048 R)
• M17: 17,710,294 km (0.111 R)
• M18: 18,910,517 km (0.111 R)
• M19: 19,845,504 km (0.119 R)
• M20: 21,305,280 km (0.064 R)
• M21: 22,231,740 km (0.088 R)
• M22: 25,079,485 km (0.062 R)
• M23: 27,663,937 km (0.062 R)
• M24: 30,844,089 km (0.057 R)
• M25: 35,180,333 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.1

Radius: 4.4

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.92 AU - 11.7 AU

Year: 22076 Days

Day: 24 Hours

Environment

Temp: -241 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,573,753 km

• M1: 286,181 km (0.099 R)
• M2: 1,322,146 km (0.047 R)
• M3: 1,491,042 km (0.116 R)
• M4: 2,375,614 km (0.029 R)
• M5: 8,140,069 km (0.062 R)
• M6: 9,406,864 km (0.114 R)
• M7: 10,194,646 km (0.118 R)
• M8: 18,062,297 km (0.084 R)
• M9: 18,621,793 km (0.048 R)
• M10: 30,091,312 km (0.101 R)
• M11: 39,497,279 km (0.082 R)
• M12: 48,207,315 km (0.056 R)
• M13: 48,359,905 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 13,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit