🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.3

Radius: 9.5

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.66 AU - 1 AU

Year: 522 Days

Day: 8.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,553,289 km

• M1: 118,182 km (0.075 R)
• M2: 450,290 km (0.069 R)
• M3: 1,027,588 km (0.047 R)
• M4: 1,407,118 km (0.031 R)
• M5: 1,744,610 km (0.114 R)
• M6: 2,109,779 km (0.04 R)
• M7: 2,840,564 km (0.118 R)
• M8: 3,228,920 km (0.081 R)
• M9: 4,169,592 km (0.071 R)
• M10: 4,505,888 km (0.102 R)
• M11: 4,891,850 km (0.104 R)
• M12: 5,590,323 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.2

Radius: 8.4

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.88 AU - 1.06 AU

Year: 659 Days

Day: 14.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,553,289 km

• M1: 104,719 km (0.116 R)
• M2: 454,179 km (0.1 R)
• M3: 797,805 km (0.109 R)
• M4: 1,131,708 km (0.105 R)
• M5: 1,413,700 km (0.071 R)
• M6: 1,765,404 km (0.112 R)
• M7: 2,166,327 km (0.083 R)
• M8: 2,491,702 km (0.053 R)
• M9: 3,174,168 km (0.115 R)
• M10: 3,732,168 km (0.105 R)
• M11: 4,697,074 km (0.106 R)
• M12: 5,027,536 km (0.072 R)
• M13: 5,651,508 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.7

Radius: 9.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.47 AU - 1.59 AU

Year: 1306 Days

Day: 15 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,553,289 km

• M1: 119,678 km (0.106 R)
• M2: 573,708 km (0.095 R)
• M3: 1,582,596 km (0.082 R)
• M4: 2,000,124 km (0.092 R)
• M5: 2,618,561 km (0.112 R)
• M6: 3,071,693 km (0.072 R)
• M7: 3,517,794 km (0.036 R)
• M8: 4,006,530 km (0.06 R)
• M9: 4,470,732 km (0.062 R)
• M10: 9,176,782 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.8

Radius: 12.9

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.21 AU - 5.09 AU

Year: 5836 Days

Day: 5.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,553,289 km

• M1: 163,062 km (0.091 R)
• M2: 631,303 km (0.064 R)
• M3: 1,320,800 km (0.091 R)
• M4: 1,823,897 km (0.108 R)
• M5: 2,308,146 km (0.099 R)
• M6: 2,808,850 km (0.115 R)
• M7: 3,622,812 km (0.088 R)
• M8: 4,067,865 km (0.108 R)
• M9: 4,511,273 km (0.05 R)
• M10: 5,258,515 km (0.104 R)
• M11: 6,324,998 km (0.095 R)
• M12: 7,130,283 km (0.052 R)
• M13: 7,946,340 km (0.118 R)
• M14: 8,553,857 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.1

Radius: 14.6

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.88 AU - 5.76 AU

Year: 7304 Days

Day: 7.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,553,289 km

• M1: 181,612 km (0.107 R)
• M2: 767,437 km (0.054 R)
• M3: 2,250,550 km (0.116 R)
• M4: 3,970,477 km (0.052 R)
• M5: 5,965,664 km (0.074 R)
• M6: 7,221,688 km (0.064 R)
• M7: 8,647,655 km (0.113 R)
• M8: 9,635,599 km (0.061 R)
• M9: 10,498,928 km (0.093 R)
• M10: 11,051,543 km (0.12 R)
• M11: 11,890,039 km (0.079 R)
• M12: 12,770,572 km (0.089 R)
• M13: 15,099,362 km (0.084 R)
• M14: 16,464,592 km (0.085 R)
• M15: 17,350,062 km (0.117 R)
• M16: 18,052,723 km (0.102 R)
• M17: 18,628,376 km (0.074 R)
• M18: 19,740,785 km (0.1 R)
• M19: 20,662,308 km (0.113 R)
• M20: 21,452,035 km (0.119 R)
• M21: 22,591,223 km (0.081 R)
• M22: 25,887,014 km (0.064 R)
• M23: 26,897,847 km (0.112 R)
• M24: 27,935,009 km (0.12 R)
• M25: 30,391,107 km (0.036 R)
• M26: 30,899,141 km (0.059 R)
• M27: 33,416,873 km (0.07 R)
• M28: 33,958,268 km (0.078 R)
• M29: 35,281,162 km (0.057 R)
• M30: 38,857,748 km (0.078 R)
• M31: 40,549,700 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.4

Radius: 3.6

Gravity: 42.39 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.88 AU - 8.5 AU

Year: 14720 Days

Day: 24.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,553,289 km

• M1: 44,730 km (0.045 R)
• M2: 213,177 km (0.108 R)
• M3: 578,046 km (0.11 R)
• M4: 977,323 km (0.112 R)
• M5: 1,336,059 km (0.12 R)
• M6: 1,584,092 km (0.105 R)
• M7: 2,229,008 km (0.061 R)
• M8: 3,204,536 km (0.089 R)
• M9: 3,984,539 km (0.105 R)
• M10: 5,576,859 km (0.07 R)
• M11: 8,569,116 km (0.119 R)
• M12: 8,961,810 km (0.108 R)
• M13: 9,677,486 km (0.112 R)
• M14: 10,430,562 km (0.108 R)
• M15: 11,931,328 km (0.083 R)
• M16: 13,308,825 km (0.083 R)
• M17: 32,496,397 km (0.119 R)
• M18: 39,420,086 km (0.096 R)
• M19: 44,446,874 km (0.099 R)
• M20: 48,485,567 km (0.088 R)
• M21: 48,794,188 km (0.117 R)
• M22: 54,740,853 km (0.096 R)
• M23: 55,075,354 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.6

Radius: 6.5

Gravity: 22.78 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.93 AU - 10.83 AU

Year: 18265 Days

Day: 20 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 59,553,289 km

• M1: 80,783 km (0.076 R)
• M2: 296,054 km (0.1 R)
• M3: 684,261 km (0.075 R)
• M4: 1,081,593 km (0.055 R)
• M5: 2,223,174 km (0.104 R)
• M6: 2,538,377 km (0.063 R)
• M7: 2,806,755 km (0.062 R)
• M8: 3,148,138 km (0.043 R)
• M9: 3,576,287 km (0.109 R)
• M10: 3,946,093 km (0.076 R)
• M11: 4,409,397 km (0.043 R)
• M12: 4,798,352 km (0.086 R)
• M13: 5,365,477 km (0.117 R)
• M14: 8,035,350 km (0.097 R)
• M15: 8,778,852 km (0.119 R)
• M16: 9,167,507 km (0.058 R)
• M17: 9,683,919 km (0.109 R)
• M18: 10,402,288 km (0.11 R)
• M19: 11,091,635 km (0.091 R)
• M20: 14,382,638 km (0.107 R)
• M21: 15,237,441 km (0.101 R)
• M22: 16,457,112 km (0.053 R)
• M23: 19,647,137 km (0.117 R)
• M24: 21,988,793 km (0.116 R)
• M25: 24,619,322 km (0.042 R)
• M26: 25,058,840 km (0.11 R)
• M27: 28,886,451 km (0.11 R)
• M28: 30,875,205 km (0.113 R)
• M29: 34,572,068 km (0.079 R)
• M30: 37,242,091 km (0.098 R)
• M31: 47,243,606 km (0.111 R)
• M32: 48,092,873 km (0.103 R)
• M33: 51,413,048 km (0.104 R)
• M34: 58,310,856 km (0.083 R)
• M35: 62,081,471 km (0.092 R)
• M36: 63,100,083 km (0.071 R)
• M37: 68,144,822 km (0.044 R)
• M38: 70,765,178 km (0.094 R)
• M39: 72,100,339 km (0.064 R)
• M40: 80,224,252 km (0.207 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.9

Radius: 8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.22 AU - 10.54 AU

Year: 21436 Days

Day: 22.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,553,289 km

• M1: 99,782 km (0.037 R)
• M2: 386,411 km (0.083 R)
• M3: 785,838 km (0.089 R)
• M4: 1,363,136 km (0.086 R)
• M5: 3,904,504 km (0.071 R)
• M6: 11,580,072 km (0.078 R)
• M7: 13,594,407 km (0.032 R)
• M8: 15,322,562 km (0.099 R)
• M9: 21,199,365 km (0.109 R)
• M10: 21,558,998 km (0.1 R)
• M11: 22,198,230 km (0.115 R)
• M12: 24,094,083 km (0.073 R)
• M13: 27,454,201 km (0.101 R)
• M14: 32,284,417 km (0.062 R)
• M15: 33,120,819 km (0.077 R)
• M16: 40,339,963 km (0.09 R)
• M17: 49,323,465 km (0.072 R)
• M18: 51,396,293 km (0.038 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: 224 - 20,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit