🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159

Radius: 13.5

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.86 AU - 1.26 AU

Year: 728 Days

Day: 7.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,459,050 km

• M1: 167,849 km (0.077 R)
• M2: 611,556 km (0.067 R)
• M3: 1,525,599 km (0.063 R)
• M4: 2,497,836 km (0.054 R)
• M5: 3,080,370 km (0.085 R)
• M6: 4,035,552 km (0.051 R)
• M7: 4,466,843 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.7

Radius: 9.1

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.02 AU - 1.5 AU

Year: 943 Days

Day: 5.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,459,050 km

• M1: 117,285 km (0.108 R)
• M2: 471,532 km (0.047 R)
• M3: 835,355 km (0.082 R)
• M4: 1,217,128 km (0.106 R)
• M5: 1,750,594 km (0.098 R)
• M6: 2,177,098 km (0.068 R)
• M7: 3,046,710 km (0.072 R)
• M8: 3,441,798 km (0.054 R)
• M9: 4,744,048 km (0.093 R)
• M10: 6,259,025 km (0.081 R)
• M11: 6,852,779 km (0.119 R)
• M12: 7,163,344 km (0.117 R)
• M13: 9,086,425 km (0.104 R)
• M14: 10,555,775 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.1

Radius: 11.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.92 AU - 2.32 AU

Year: 2058 Days

Day: 11.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,459,050 km

• M1: 173,384 km (0.112 R)
• M2: 632,350 km (0.065 R)
• M3: 1,020,557 km (0.117 R)
• M4: 2,125,038 km (0.056 R)
• M5: 2,817,377 km (0.115 R)
• M6: 3,193,316 km (0.108 R)
• M7: 4,216,715 km (0.112 R)
• M8: 5,222,910 km (0.104 R)
• M9: 5,770,887 km (0.085 R)
• M10: 6,357,012 km (0.119 R)
• M11: 8,026,674 km (0.037 R)
• M12: 8,695,227 km (0.112 R)
• M13: 10,888,930 km (0.099 R)
• M14: 12,016,748 km (0.1 R)
• M15: 13,428,952 km (0.117 R)
• M16: 14,110,221 km (0.068 R)
• M17: 14,859,108 km (0.101 R)
• M18: 15,220,686 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.3

Radius: 12.2

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.29 AU - 3.63 AU

Year: 3396 Days

Day: 13.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,459,050 km

• M1: 153,787 km (0.089 R)
• M2: 550,819 km (0.066 R)
• M3: 1,112,260 km (0.041 R)
• M4: 2,363,048 km (0.058 R)
• M5: 5,361,438 km (0.102 R)
• M6: 8,239,402 km (0.096 R)
• M7: 9,393,250 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.3

Radius: 5.6

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.02 AU - 6.98 AU

Year: 9801 Days

Day: 23.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,459,050 km

• M1: 69,713 km (0.1 R)
• M2: 310,416 km (0.078 R)
• M3: 564,882 km (0.09 R)
• M4: 805,884 km (0.027 R)
• M5: 1,086,679 km (0.05 R)
• M6: 1,703,321 km (0.111 R)
• M7: 2,321,011 km (0.066 R)
• M8: 2,820,967 km (0.084 R)
• M9: 3,077,527 km (0.114 R)
• M10: 3,471,119 km (0.107 R)
• M11: 3,722,893 km (0.088 R)
• M12: 3,964,493 km (0.025 R)
• M13: 5,063,439 km (0.098 R)
• M14: 5,812,625 km (0.066 R)
• M15: 6,697,048 km (0.109 R)
• M16: 7,255,497 km (0.058 R)
• M17: 8,883,122 km (0.081 R)
• M18: 9,475,679 km (0.074 R)
• M19: 10,306,396 km (0.103 R)
• M20: 13,443,164 km (0.03 R)
• M21: 14,012,533 km (0.12 R)
• M22: 20,348,302 km (0.11 R)
• M23: 26,389,513 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.8

Radius: 6.7

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.42 AU - 10.38 AU

Year: 19219 Days

Day: 20.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,459,050 km

• M1: 83,476 km (0.062 R)
• M2: 328,667 km (0.087 R)
• M3: 937,530 km (0.069 R)
• M4: 1,333,067 km (0.084 R)
• M5: 1,562,400 km (0.08 R)
• M6: 1,784,703 km (0.096 R)
• M7: 2,274,187 km (0.089 R)
• M8: 3,259,139 km (0.062 R)
• M9: 3,491,315 km (0.073 R)
• M10: 4,106,312 km (0.118 R)
• M11: 5,585,536 km (0.073 R)
• M12: 6,149,071 km (0.119 R)
• M13: 8,161,611 km (0.093 R)
• M14: 11,976,207 km (0.087 R)
• M15: 12,847,615 km (0.079 R)
• M16: 14,369,773 km (0.06 R)
• M17: 14,646,230 km (0.098 R)
• M18: 17,531,374 km (0.066 R)
• M19: 19,567,850 km (0.037 R)
• M20: 19,993,307 km (0.101 R)
• M21: 25,388,703 km (0.11 R)
• M22: 27,242,071 km (0.053 R)
• M23: 28,094,031 km (0.107 R)
• M24: 31,100,649 km (0.092 R)
• M25: 39,609,327 km (0.048 R)
• M26: 42,947,903 km (0.092 R)
• M27: 57,830,498 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.3

Radius: 6.9

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.64 AU - 11.62 AU

Year: 19928 Days

Day: 20.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,459,050 km

• M1: 86,468 km (0.096 R)
• M2: 348,563 km (0.103 R)
• M3: 830,418 km (0.106 R)
• M4: 1,680,134 km (0.106 R)
• M5: 2,090,481 km (0.057 R)
• M6: 2,985,824 km (0.08 R)
• M7: 3,845,563 km (0.044 R)
• M8: 4,396,532 km (0.068 R)
• M9: 5,068,825 km (0.118 R)
• M10: 8,257,503 km (0.11 R)
• M11: 8,505,088 km (0.086 R)
• M12: 10,610,229 km (0.081 R)
• M13: 13,039,848 km (0.098 R)
• M14: 13,375,994 km (0.085 R)
• M15: 14,206,412 km (0.101 R)
• M16: 15,292,194 km (0.082 R)
• M17: 17,062,834 km (0.036 R)
• M18: 18,038,960 km (0.066 R)
• M19: 18,965,868 km (0.101 R)
• M20: 21,190,239 km (0.043 R)
• M21: 28,669,983 km (0.073 R)
• M22: 29,124,312 km (0.104 R)
• M23: 34,699,376 km (0.112 R)
• M24: 36,660,604 km (0.111 R)
• M25: 41,089,299 km (0.11 R)
• M26: 41,377,425 km (0.108 R)
• M27: 41,812,006 km (0.108 R)
• M28: 44,332,731 km (0.118 R)
• M29: 61,803,069 km (0.106 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 17,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit