🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27

Radius: 10.7

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.73 AU - 1.21 AU

Year: 637 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,521,342 km

• M1: 133,292 km (0.063 R)
• M2: 478,264 km (0.105 R)
• M3: 836,402 km (0.106 R)
• M4: 1,212,640 km (0.104 R)
• M5: 2,138,352 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.6

Radius: 12.3

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.07 AU - 1.19 AU

Year: 801 Days

Day: 11.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,521,342 km

• M1: 153,039 km (0.119 R)
• M2: 540,796 km (0.117 R)
• M3: 1,101,938 km (0.076 R)
• M4: 2,069,986 km (0.092 R)
• M5: 2,499,182 km (0.073 R)
• M6: 3,139,162 km (0.106 R)
• M7: 4,006,381 km (0.089 R)
• M8: 5,080,493 km (0.119 R)
• M9: 5,733,787 km (0.061 R)
• M10: 7,140,755 km (0.102 R)
• M11: 7,531,804 km (0.105 R)
• M12: 8,332,153 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.8

Radius: 8.3

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.42 AU - 2.18 AU

Year: 1610 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,521,342 km

• M1: 103,971 km (0.11 R)
• M2: 426,055 km (0.038 R)
• M3: 766,390 km (0.088 R)
• M4: 1,117,047 km (0.112 R)
• M5: 1,511,387 km (0.117 R)
• M6: 1,781,262 km (0.106 R)
• M7: 2,407,628 km (0.052 R)
• M8: 2,915,662 km (0.082 R)
• M9: 3,653,330 km (0.081 R)
• M10: 3,987,980 km (0.116 R)
• M11: 4,566,176 km (0.1 R)
• M12: 4,975,176 km (0.106 R)
• M13: 5,387,319 km (0.079 R)
• M14: 6,025,054 km (0.1 R)
• M15: 7,062,366 km (0.117 R)
• M16: 7,583,415 km (0.117 R)
• M17: 8,327,216 km (0.114 R)
• M18: 10,088,432 km (0.102 R)
• M19: 11,263,972 km (0.1 R)
• M20: 11,723,088 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.8

Radius: 8.9

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.5 AU - 2.46 AU

Year: 1858 Days

Day: 8.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,521,342 km

• M1: 110,702 km (0.103 R)
• M2: 417,228 km (0.099 R)
• M3: 952,041 km (0.089 R)
• M4: 1,289,683 km (0.094 R)
• M5: 1,687,015 km (0.083 R)
• M6: 2,390,724 km (0.063 R)
• M7: 2,890,680 km (0.083 R)
• M8: 4,043,032 km (0.103 R)
• M9: 4,589,214 km (0.105 R)
• M10: 4,987,294 km (0.1 R)
• M11: 5,362,784 km (0.08 R)
• M12: 6,372,121 km (0.069 R)
• M13: 8,857,840 km (0.061 R)
• M14: 9,711,295 km (0.073 R)
• M15: 10,582,404 km (0.069 R)
• M16: 10,872,025 km (0.079 R)
• M17: 11,203,983 km (0.094 R)
• M18: 11,927,289 km (0.111 R)
• M19: 12,280,639 km (0.104 R)
• M20: 13,090,711 km (0.093 R)
• M21: 13,424,614 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.3

Radius: 11.4

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.07 AU - 3.13 AU

Year: 2796 Days

Day: 8.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,521,342 km

• M1: 141,968 km (0.108 R)
• M2: 496,964 km (0.075 R)
• M3: 1,174,044 km (0.12 R)
• M4: 2,071,781 km (0.108 R)
• M5: 2,511,748 km (0.116 R)
• M6: 2,908,332 km (0.046 R)
• M7: 3,651,983 km (0.09 R)
• M8: 4,240,950 km (0.078 R)
• M9: 5,562,797 km (0.073 R)
• M10: 6,318,715 km (0.06 R)
• M11: 7,169,628 km (0.097 R)
• M12: 8,035,051 km (0.107 R)
• M13: 9,362,134 km (0.037 R)
• M14: 9,766,946 km (0.112 R)
• M15: 11,389,933 km (0.031 R)
• M16: 11,969,026 km (0.111 R)
• M17: 12,689,639 km (0.052 R)
• M18: 13,911,405 km (0.032 R)
• M19: 15,488,316 km (0.088 R)

Asteroid Belt

Center: 4.51 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30

Radius: 7.3

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.51 AU - 7.33 AU

Year: 10848 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,521,342 km

• M1: 90,806 km (0.084 R)
• M2: 321,037 km (0.056 R)
• M3: 550,969 km (0.105 R)
• M4: 788,231 km (0.058 R)
• M5: 2,078,064 km (0.049 R)
• M6: 2,673,464 km (0.098 R)
• M7: 3,360,118 km (0.083 R)
• M8: 3,754,159 km (0.045 R)
• M9: 4,361,376 km (0.111 R)
• M10: 4,699,468 km (0.118 R)
• M11: 6,389,026 km (0.084 R)
• M12: 8,577,493 km (0.096 R)
• M13: 10,128,374 km (0.108 R)
• M14: 11,378,564 km (0.097 R)
• M15: 12,643,862 km (0.049 R)
• M16: 14,136,400 km (0.12 R)
• M17: 14,830,834 km (0.099 R)
• M18: 16,742,694 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.4

Radius: 7.5

Gravity: 15.21 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.67 AU - 7.63 AU

Year: 11436 Days

Day: 20.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,521,342 km

• M1: 93,199 km (0.091 R)
• M2: 473,776 km (0.074 R)
• M3: 752,477 km (0.065 R)
• M4: 1,190,201 km (0.099 R)
• M5: 1,425,518 km (0.11 R)
• M6: 2,488,710 km (0.09 R)
• M7: 3,948,785 km (0.1 R)
• M8: 4,208,936 km (0.095 R)
• M9: 4,449,789 km (0.12 R)
• M10: 5,832,671 km (0.025 R)
• M11: 7,612,587 km (0.069 R)
• M12: 8,294,454 km (0.089 R)
• M13: 9,065,781 km (0.086 R)
• M14: 9,779,213 km (0.096 R)
• M15: 11,317,528 km (0.116 R)
• M16: 12,083,768 km (0.118 R)
• M17: 13,201,414 km (0.107 R)
• M18: 16,001,736 km (0.089 R)
• M19: 16,294,499 km (0.08 R)
• M20: 16,966,343 km (0.059 R)
• M21: 17,424,412 km (0.077 R)
• M22: 18,767,202 km (0.034 R)
• M23: 22,560,556 km (0.057 R)
• M24: 23,867,143 km (0.028 R)
• M25: 32,198,847 km (0.09 R)
• M26: 42,419,374 km (0.073 R)
• M27: 44,405,286 km (0.119 R)
• M28: 46,749,783 km (0.058 R)
• M29: 54,441,657 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.5

Radius: 6.5

Gravity: 16.13 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.4 AU - 8.22 AU

Year: 13180 Days

Day: 17.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,521,342 km

• M1: 81,381 km (0.108 R)
• M2: 547,229 km (0.077 R)
• M3: 989,141 km (0.098 R)
• M4: 1,742,815 km (0.026 R)
• M5: 2,221,080 km (0.105 R)
• M6: 2,522,519 km (0.11 R)
• M7: 2,874,074 km (0.112 R)
• M8: 3,333,340 km (0.11 R)
• M9: 4,711,735 km (0.078 R)
• M10: 5,007,340 km (0.116 R)
• M11: 5,599,299 km (0.091 R)
• M12: 8,157,422 km (0.07 R)
• M13: 10,887,284 km (0.092 R)
• M14: 11,462,937 km (0.108 R)
• M15: 12,674,979 km (0.115 R)
• M16: 14,649,820 km (0.114 R)
• M17: 15,422,643 km (0.076 R)
• M18: 17,668,107 km (0.091 R)
• M19: 17,983,010 km (0.034 R)
• M20: 18,301,804 km (0.062 R)
• M21: 18,868,630 km (0.091 R)
• M22: 19,363,799 km (0.055 R)
• M23: 19,782,972 km (0.103 R)
• M24: 21,609,861 km (0.11 R)
• M25: 27,655,111 km (0.092 R)
• M26: 28,942,401 km (0.09 R)
• M27: 30,494,180 km (0.073 R)
• M28: 37,128,396 km (0.064 R)
• M29: 38,298,252 km (0.083 R)
• M30: 38,561,544 km (0.096 R)
• M31: 45,395,025 km (0.042 R)
• M32: 50,583,528 km (0.048 R)
• M33: 54,808,022 km (0.098 R)
• M34: 55,984,310 km (0.066 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: 406 - 18,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit