🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.9

Radius: 13.4

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.57 AU - 0.77 AU

Year: 379 Days

Day: 9.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,955,563 km

• M1: 166,652 km (0.081 R)
• M2: 629,209 km (0.092 R)
• M3: 1,200,972 km (0.028 R)
• M4: 1,814,921 km (0.113 R)
• M5: 2,373,520 km (0.11 R)
• M6: 2,795,386 km (0.086 R)
• M7: 3,581,523 km (0.108 R)
• M8: 4,336,543 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.3

Radius: 14.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.63 AU - 0.95 AU

Year: 485 Days

Day: 14.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,955,563 km

• M1: 175,478 km (0.095 R)
• M2: 619,186 km (0.097 R)
• M3: 1,086,529 km (0.094 R)
• M4: 1,537,417 km (0.113 R)
• M5: 1,996,683 km (0.058 R)
• M6: 3,408,139 km (0.079 R)
• M7: 4,036,450 km (0.093 R)
• M8: 4,512,620 km (0.069 R)
• M9: 5,173,094 km (0.112 R)
• M10: 6,153,708 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.7

Radius: 12.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.69 AU - 0.91 AU

Year: 494 Days

Day: 6.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,955,563 km

• M1: 170,093 km (0.032 R)
• M2: 600,785 km (0.078 R)
• M3: 1,179,280 km (0.097 R)
• M4: 2,478,238 km (0.111 R)
• M5: 2,965,179 km (0.115 R)
• M6: 3,490,567 km (0.096 R)
• M7: 4,205,795 km (0.107 R)
• M8: 4,777,258 km (0.091 R)
• M9: 5,365,926 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.6

Radius: 9.3

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.85 AU - 1.13 AU

Year: 680 Days

Day: 9.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,955,563 km

• M1: 115,639 km (0.09 R)
• M2: 441,763 km (0.067 R)
• M3: 829,221 km (0.098 R)
• M4: 1,222,364 km (0.025 R)
• M5: 1,581,848 km (0.117 R)
• M6: 1,993,840 km (0.092 R)
• M7: 2,394,464 km (0.034 R)
• M8: 2,848,194 km (0.096 R)
• M9: 3,307,459 km (0.054 R)
• M10: 3,843,618 km (0.111 R)
• M11: 4,267,728 km (0.1 R)
• M12: 4,610,158 km (0.118 R)
• M13: 5,140,931 km (0.079 R)
• M14: 5,823,696 km (0.07 R)
• M15: 6,424,481 km (0.095 R)
• M16: 6,938,499 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.1

Radius: 8.8

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.37 AU - 4.89 AU

Year: 6877 Days

Day: 6.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,955,563 km

• M1: 109,805 km (0.031 R)
• M2: 457,919 km (0.115 R)
• M3: 769,382 km (0.037 R)
• M4: 1,056,011 km (0.069 R)
• M5: 1,549,684 km (0.097 R)
• M6: 1,917,695 km (0.093 R)
• M7: 2,751,404 km (0.073 R)
• M8: 3,205,733 km (0.085 R)
• M9: 3,516,896 km (0.044 R)
• M10: 3,828,359 km (0.048 R)
• M11: 7,459,249 km (0.117 R)
• M12: 9,781,906 km (0.036 R)
• M13: 13,513,026 km (0.117 R)
• M14: 14,231,844 km (0.084 R)
• M15: 17,926,911 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.4

Radius: 4.9

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.26 AU - 8.44 AU

Year: 12375 Days

Day: 18.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,955,563 km

• M1: 60,886 km (0.038 R)
• M2: 236,813 km (0.11 R)
• M3: 565,181 km (0.072 R)
• M4: 983,606 km (0.116 R)
• M5: 1,342,790 km (0.055 R)
• M6: 1,784,553 km (0.103 R)
• M7: 4,252,319 km (0.114 R)
• M8: 4,414,184 km (0.104 R)
• M9: 5,013,623 km (0.098 R)
• M10: 5,537,216 km (0.088 R)
• M11: 6,620,603 km (0.113 R)
• M12: 6,838,418 km (0.039 R)
• M13: 7,061,019 km (0.033 R)
• M14: 7,638,617 km (0.05 R)
• M15: 8,081,875 km (0.107 R)
• M16: 8,247,331 km (0.051 R)
• M17: 8,414,880 km (0.038 R)
• M18: 8,584,823 km (0.114 R)
• M19: 9,468,947 km (0.044 R)
• M20: 10,315,222 km (0.099 R)
• M21: 10,756,835 km (0.114 R)
• M22: 11,468,472 km (0.107 R)
• M23: 12,760,698 km (0.052 R)
• M24: 16,344,465 km (0.097 R)
• M25: 17,147,357 km (0.057 R)
• M26: 18,543,404 km (0.101 R)
• M27: 20,164,596 km (0.114 R)
• M28: 20,931,734 km (0.1 R)
• M29: 22,118,943 km (0.069 R)
• M30: 28,066,206 km (0.044 R)
• M31: 34,020,351 km (0.091 R)
• M32: 34,996,776 km (0.099 R)
• M33: 36,439,947 km (0.07 R)
• M34: 38,153,890 km (0.111 R)
• M35: 38,502,902 km (0.069 R)
• M36: 38,854,157 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.2

Radius: 5.8

Gravity: 17.81 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.37 AU - 8.79 AU

Year: 14405 Days

Day: 20.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,955,563 km

• M1: 77,791 km (0.089 R)
• M2: 385,065 km (0.119 R)
• M3: 660,624 km (0.101 R)
• M4: 1,098,497 km (0.113 R)
• M5: 1,526,048 km (0.046 R)
• M6: 3,404,698 km (0.119 R)
• M7: 4,460,859 km (0.094 R)
• M8: 6,291,338 km (0.073 R)
• M9: 8,142,163 km (0.092 R)
• M10: 10,218,283 km (0.043 R)
• M11: 12,686,199 km (0.089 R)
• M12: 13,523,947 km (0.069 R)
• M13: 18,032,378 km (0.109 R)
• M14: 43,071,770 km (0.117 R)
• M15: 46,441,761 km (0.087 R)
• M16: 53,866,902 km (0.089 R)
• M17: 55,204,756 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.6

Radius: 5.4

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.04 AU - 9.98 AU

Year: 17136 Days

Day: 18.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,955,563 km

• M1: 67,319 km (0.065 R)
• M2: 350,059 km (0.097 R)
• M3: 679,922 km (0.096 R)
• M4: 893,548 km (0.072 R)
• M5: 1,105,379 km (0.026 R)
• M6: 1,390,662 km (0.11 R)
• M7: 1,985,613 km (0.117 R)
• M8: 2,255,038 km (0.109 R)
• M9: 2,448,020 km (0.026 R)
• M10: 3,457,057 km (0.114 R)
• M11: 3,847,807 km (0.061 R)
• M12: 6,331,730 km (0.1 R)
• M13: 7,536,142 km (0.105 R)
• M14: 8,013,659 km (0.085 R)
• M15: 10,023,805 km (0.116 R)
• M16: 10,601,104 km (0.104 R)
• M17: 11,650,084 km (0.107 R)
• M18: 12,111,743 km (0.068 R)
• M19: 13,824,190 km (0.087 R)
• M20: 14,146,124 km (0.114 R)
• M21: 16,469,230 km (0.111 R)
• M22: 20,000,487 km (0.102 R)
• M23: 20,246,875 km (0.09 R)
• M24: 21,768,136 km (0.118 R)
• M25: 22,823,698 km (0.074 R)
• M26: 24,752,314 km (0.092 R)
• M27: 25,131,545 km (0.098 R)
• M28: 31,405,979 km (0.039 R)
• M29: 31,962,333 km (0.118 R)
• M30: 34,136,289 km (0.057 R)
• M31: 35,920,693 km (0.11 R)
• M32: 36,774,298 km (0.053 R)
• M33: 38,395,341 km (0.12 R)
• M34: 42,181,962 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.1

Radius: 7.5

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.93 AU - 11.11 AU

Year: 18699 Days

Day: 20.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,955,563 km

• M1: 93,798 km (0.118 R)
• M2: 471,981 km (0.095 R)
• M3: 792,420 km (0.078 R)
• M4: 1,607,579 km (0.05 R)
• M5: 2,225,717 km (0.044 R)
• M6: 3,149,484 km (0.096 R)
• M7: 4,307,521 km (0.053 R)
• M8: 5,185,212 km (0.093 R)
• M9: 6,261,718 km (0.039 R)
• M10: 7,673,324 km (0.048 R)
• M11: 9,174,837 km (0.029 R)
• M12: 10,558,019 km (0.111 R)
• M13: 12,141,064 km (0.057 R)
• M14: 14,539,567 km (0.106 R)
• M15: 22,178,184 km (0.11 R)
• M16: 24,755,755 km (0.074 R)
• M17: 27,872,327 km (0.052 R)
• M18: 29,404,359 km (0.083 R)
• M19: 33,544,031 km (0.059 R)
• M20: 34,336,152 km (0.117 R)
• M21: 45,477,603 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201

Radius: 3.4

Gravity: 17.39 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 9 AU - 11.88 AU

Year: 23284 Days

Day: 19.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,955,563 km

• M1: 42,336 km (0.115 R)
• M2: 162,314 km (0.102 R)
• M3: 373,845 km (0.095 R)
• M4: 645,814 km (0.112 R)
• M5: 796,010 km (0.107 R)
• M6: 980,315 km (0.089 R)
• M7: 1,167,462 km (0.034 R)
• M8: 1,840,353 km (0.097 R)
• M9: 2,607,790 km (0.071 R)
• M10: 4,936,281 km (0.082 R)
• M11: 5,069,722 km (0.081 R)
• M12: 5,520,161 km (0.064 R)
• M13: 5,847,332 km (0.114 R)
• M14: 6,034,629 km (0.117 R)
• M15: 12,671,239 km (0.088 R)
• M16: 14,089,875 km (0.104 R)
• M17: 16,337,284 km (0.105 R)
• M18: 24,010,159 km (0.1 R)
• M19: 24,201,345 km (0.048 R)
• M20: 29,977,618 km (0.038 R)
• M21: 35,730,404 km (0.057 R)
• M22: 36,230,211 km (0.083 R)
• M23: 42,455,277 km (0.05 R)
• M24: 43,865,836 km (0.075 R)
• M25: 44,151,717 km (0.113 R)
• M26: 46,334,948 km (0.056 R)
• M27: 47,829,730 km (0.077 R)
• M28: 49,048,504 km (0.086 R)
• M29: 52,667,426 km (0.104 R)
• M30: 55,287,334 km (0.072 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 13,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit