🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.46 AU - 0.74 AU

Year: 305 Days

Day: 31.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 62 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.55 AU - 0.73 AU

Year: 336 Days

Day: 22.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 45.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.4

Radius: 10.3

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.31 AU - 1.43 AU

Year: 1052 Days

Day: 8.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,535,973 km

• M1: 128,056 km (0.112 R)
• M2: 479,461 km (0.069 R)
• M3: 843,882 km (0.079 R)
• M4: 1,253,780 km (0.079 R)
• M5: 1,815,221 km (0.109 R)
• M6: 2,277,927 km (0.1 R)
• M7: 2,752,750 km (0.055 R)
• M8: 3,411,879 km (0.109 R)
• M9: 4,138,775 km (0.063 R)
• M10: 4,772,770 km (0.091 R)
• M11: 5,103,531 km (0.071 R)
• M12: 5,554,270 km (0.095 R)
• M13: 6,395,608 km (0.116 R)
• M14: 6,994,149 km (0.098 R)
• M15: 7,947,836 km (0.11 R)
• M16: 11,228,068 km (0.07 R)
• M17: 11,675,665 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.6

Radius: 9.2

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.55 AU - 2.33 AU

Year: 1773 Days

Day: 9.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,535,973 km

• M1: 114,592 km (0.108 R)
• M2: 740,360 km (0.087 R)
• M3: 1,640,789 km (0.093 R)
• M4: 1,937,592 km (0.052 R)
• M5: 2,655,661 km (0.061 R)
• M6: 2,991,808 km (0.065 R)
• M7: 3,290,854 km (0.111 R)
• M8: 3,592,593 km (0.105 R)
• M9: 6,055,273 km (0.106 R)
• M10: 6,356,414 km (0.072 R)
• M11: 7,181,296 km (0.104 R)
• M12: 7,662,852 km (0.069 R)
• M13: 9,042,443 km (0.07 R)
• M14: 11,737,000 km (0.102 R)
• M15: 12,405,852 km (0.117 R)
• M16: 14,971,007 km (0.076 R)
• M17: 15,291,595 km (0.086 R)
• M18: 15,616,821 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.8

Radius: 13.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.85 AU - 2.61 AU

Year: 2185 Days

Day: 5.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,535,973 km

• M1: 169,195 km (0.098 R)
• M2: 610,359 km (0.109 R)
• M3: 1,356,853 km (0.079 R)
• M4: 1,920,537 km (0.118 R)
• M5: 3,033,246 km (0.073 R)
• M6: 5,004,348 km (0.07 R)
• M7: 5,659,886 km (0.118 R)
• M8: 6,446,621 km (0.086 R)
• M9: 7,833,094 km (0.05 R)
• M10: 8,903,766 km (0.066 R)
• M11: 10,036,072 km (0.032 R)
• M12: 10,549,941 km (0.083 R)
• M13: 11,045,260 km (0.104 R)
• M14: 12,942,759 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.2

Radius: 14.1

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.26 AU - 4.36 AU

Year: 4879 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,535,973 km

• M1: 175,329 km (0.036 R)
• M2: 619,335 km (0.079 R)
• M3: 1,230,293 km (0.111 R)
• M4: 2,017,327 km (0.061 R)
• M5: 3,270,209 km (0.097 R)
• M6: 5,238,169 km (0.098 R)
• M7: 6,795,782 km (0.085 R)
• M8: 7,873,934 km (0.084 R)
• M9: 9,308,428 km (0.067 R)
• M10: 11,119,311 km (0.102 R)
• M11: 13,272,622 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.3

Radius: 12.2

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.03 AU - 5.19 AU

Year: 7578 Days

Day: 7.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,535,973 km

• M1: 161,416 km (0.092 R)
• M2: 724,652 km (0.104 R)
• M3: 2,236,488 km (0.057 R)
• M4: 2,861,807 km (0.111 R)
• M5: 3,716,759 km (0.087 R)
• M6: 6,325,596 km (0.112 R)
• M7: 7,023,770 km (0.059 R)
• M8: 7,928,986 km (0.037 R)
• M9: 9,254,872 km (0.115 R)
• M10: 11,564,065 km (0.116 R)
• M11: 12,236,208 km (0.084 R)
• M12: 14,234,237 km (0.098 R)
• M13: 14,946,174 km (0.11 R)
• M14: 19,654,019 km (0.062 R)
• M15: 20,611,744 km (0.065 R)
• M16: 21,755,270 km (0.05 R)
• M17: 22,224,260 km (0.07 R)
• M18: 24,587,308 km (0.045 R)
• M19: 26,933,750 km (0.028 R)
• M20: 30,678,783 km (0.101 R)
• M21: 33,914,436 km (0.091 R)
• M22: 35,722,775 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.1

Radius: 4.9

Gravity: 16.46 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.81 AU - 7.83 AU

Year: 11684 Days

Day: 19.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,535,973 km

• M1: 76,145 km (0.091 R)
• M2: 255,962 km (0.113 R)
• M3: 409,300 km (0.102 R)
• M4: 605,722 km (0.114 R)
• M5: 785,239 km (0.1 R)
• M6: 960,269 km (0.064 R)
• M7: 1,302,698 km (0.052 R)
• M8: 1,798,166 km (0.059 R)
• M9: 2,826,652 km (0.117 R)
• M10: 4,088,809 km (0.119 R)
• M11: 4,476,417 km (0.118 R)
• M12: 4,949,146 km (0.109 R)
• M13: 6,678,797 km (0.042 R)
• M14: 7,216,152 km (0.109 R)
• M15: 7,455,060 km (0.119 R)
• M16: 7,740,493 km (0.079 R)
• M17: 9,001,154 km (0.084 R)
• M18: 13,295,511 km (0.079 R)
• M19: 17,185,205 km (0.117 R)
• M20: 17,540,051 km (0.114 R)
• M21: 18,044,944 km (0.102 R)
• M22: 18,264,254 km (0.103 R)
• M23: 21,198,317 km (0.062 R)
• M24: 24,970,877 km (0.076 R)
• M25: 28,175,263 km (0.048 R)
• M26: 28,867,303 km (0.047 R)
• M27: 30,182,567 km (0.099 R)
• M28: 36,423,192 km (0.081 R)
• M29: 38,317,849 km (0.065 R)
• M30: 38,801,649 km (0.079 R)
• M31: 42,302,538 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.3

Radius: 3.6

Gravity: 73.56 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6.26 AU - 7.46 AU

Year: 11787 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,535,973 km

• M1: 44,879 km (0.082 R)
• M2: 194,926 km (0.081 R)
• M3: 381,325 km (0.048 R)
• M4: 566,378 km (0.111 R)
• M5: 819,198 km (0.06 R)
• M6: 1,354,609 km (0.09 R)
• M7: 1,545,645 km (0.105 R)
• M8: 1,771,239 km (0.108 R)
• M9: 3,067,205 km (0.116 R)
• M10: 3,503,283 km (0.099 R)
• M11: 3,806,667 km (0.046 R)
• M12: 4,722,954 km (0.088 R)
• M13: 5,628,470 km (0.113 R)
• M14: 7,775,200 km (0.088 R)
• M15: 8,483,246 km (0.117 R)
• M16: 10,411,713 km (0.033 R)
• M17: 10,979,137 km (0.11 R)
• M18: 15,036,082 km (0.082 R)
• M19: 18,559,561 km (0.089 R)
• M20: 21,764,097 km (0.097 R)
• M21: 23,161,939 km (0.059 R)
• M22: 26,549,583 km (0.081 R)
• M23: 27,712,557 km (0.103 R)
• M24: 29,800,494 km (0.092 R)
• M25: 35,411,013 km (0.098 R)
• M26: 35,537,423 km (0.059 R)
• M27: 36,174,261 km (0.097 R)
• M28: 37,339,629 km (0.119 R)
• M29: 38,263,246 km (0.051 R)
• M30: 39,201,823 km (0.077 R)
• M31: 41,826,817 km (0.115 R)
• M32: 43,398,941 km (0.097 R)
• M33: 43,543,751 km (0.112 R)
• M34: 44,126,286 km (0.097 R)
• M35: 49,605,158 km (0.074 R)
• M36: 52,342,949 km (0.104 R)
• M37: 55,520,258 km (0.107 R)
• M38: 56,205,117 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.9

Radius: 7.1

Gravity: 17.32 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.31 AU - 8.25 AU

Year: 12886 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 61,535,973 km

• M1: 214,224 km (0.101 R)
• M2: 446,699 km (0.084 R)
• M3: 716,125 km (0.106 R)
• M4: 1,143,526 km (0.1 R)
• M5: 1,466,358 km (0.054 R)
• M6: 1,883,736 km (0.119 R)
• M7: 2,316,673 km (0.109 R)
• M8: 3,150,531 km (0.119 R)
• M9: 4,576,049 km (0.065 R)
• M10: 5,322,692 km (0.047 R)
• M11: 6,386,931 km (0.077 R)
• M12: 7,815,442 km (0.096 R)
• M13: 8,191,531 km (0.048 R)
• M14: 8,579,587 km (0.09 R)
• M15: 10,200,480 km (0.094 R)
• M16: 12,644,311 km (0.106 R)
• M17: 14,242,615 km (0.075 R)
• M18: 16,196,363 km (0.11 R)
• M19: 16,730,727 km (0.089 R)
• M20: 17,834,609 km (0.059 R)
• M21: 21,074,600 km (0.072 R)
• M22: 22,081,095 km (0.045 R)
• M23: 24,887,551 km (0.112 R)
• M24: 26,428,558 km (0.074 R)
• M25: 27,062,404 km (0.045 R)
• M26: 30,384,375 km (0.119 R)
• M27: 33,721,305 km (0.084 R)
• M28: 34,217,072 km (0.115 R)
• M29: 38,764,847 km (0.116 R)
• M30: 39,582,849 km (0.036 R)
• M31: 40,134,566 km (0.102 R)
• M32: 43,846,538 km (0.104 R)
• M33: 44,585,701 km (0.033 R)
• M34: 45,937,018 km (0.099 R)
• M35: 47,006,793 km (0.116 R)
• M36: 47,470,247 km (0.075 R)
• M37: 52,938,498 km (0.101 R)
• M38: 55,823,792 km (0.072 R)
• M39: 57,745,526 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 16,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit