🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823

Radius: 13.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.61 AU - 0.83 AU

Year: 388 Days

Day: 14.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 147.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,741,168 km

• M1: 165,455 km (0.084 R)
• M2: 793,467 km (0.074 R)
• M3: 1,361,640 km (0.042 R)
• M4: 1,858,305 km (0.073 R)
• M5: 3,640,913 km (0.11 R)
• M6: 4,616,590 km (0.106 R)
• M7: 5,111,909 km (0.062 R)
• M8: 5,609,471 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.2

Radius: 14.2

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.82 AU - 1.2 AU

Year: 645 Days

Day: 13.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,741,168 km

• M1: 177,124 km (0.082 R)
• M2: 700,417 km (0.099 R)
• M3: 1,632,262 km (0.113 R)
• M4: 2,256,983 km (0.073 R)
• M5: 2,704,580 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.8

Radius: 11.4

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.09 AU - 1.69 AU

Year: 1042 Days

Day: 11.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,741,168 km

• M1: 141,968 km (0.076 R)
• M2: 556,654 km (0.112 R)
• M3: 971,339 km (0.116 R)
• M4: 1,417,290 km (0.095 R)
• M5: 1,827,787 km (0.085 R)
• M6: 2,860,760 km (0.063 R)
• M7: 3,633,583 km (0.06 R)
• M8: 4,430,939 km (0.113 R)
• M9: 4,913,093 km (0.109 R)
• M10: 5,341,392 km (0.058 R)
• M11: 5,945,019 km (0.109 R)
• M12: 6,472,202 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.2

Radius: 14.9

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.61 AU - 1.85 AU

Year: 1447 Days

Day: 9.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,741,168 km

• M1: 185,801 km (0.071 R)
• M2: 676,930 km (0.082 R)
• M3: 1,854,116 km (0.105 R)
• M4: 2,681,991 km (0.105 R)
• M5: 4,722,356 km (0.099 R)
• M6: 6,042,408 km (0.098 R)
• M7: 7,784,475 km (0.034 R)
• M8: 8,860,532 km (0.071 R)
• M9: 10,326,143 km (0.042 R)
• M10: 10,928,424 km (0.105 R)
• M11: 11,625,101 km (0.086 R)
• M12: 12,425,450 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.9

Radius: 12.1

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.87 AU - 2.21 AU

Year: 1853 Days

Day: 13.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,741,168 km

• M1: 151,842 km (0.111 R)
• M2: 679,773 km (0.112 R)
• M3: 1,156,541 km (0.107 R)
• M4: 2,380,401 km (0.118 R)
• M5: 2,773,844 km (0.042 R)
• M6: 3,153,972 km (0.085 R)
• M7: 3,678,462 km (0.102 R)
• M8: 5,279,309 km (0.081 R)
• M9: 5,824,743 km (0.111 R)
• M10: 8,035,650 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.6

Radius: 15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.09 AU - 3.11 AU

Year: 3470 Days

Day: 11.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,741,168 km

• M1: 186,549 km (0.119 R)
• M2: 692,937 km (0.111 R)
• M3: 1,283,699 km (0.103 R)
• M4: 2,275,832 km (0.118 R)
• M5: 3,025,168 km (0.116 R)
• M6: 3,771,662 km (0.029 R)
• M7: 4,355,542 km (0.098 R)
• M8: 4,848,617 km (0.12 R)
• M9: 6,402,190 km (0.052 R)
• M10: 7,667,489 km (0.108 R)
• M11: 8,995,769 km (0.108 R)
• M12: 10,801,265 km (0.106 R)
• M13: 11,288,207 km (0.11 R)
• M14: 11,907,691 km (0.092 R)
• M15: 15,873,381 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.1

Radius: 14.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.41 AU - 5.11 AU

Year: 5590 Days

Day: 5.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,741,168 km

• M1: 199,115 km (0.038 R)
• M2: 727,195 km (0.081 R)
• M3: 1,192,594 km (0.11 R)
• M4: 1,711,699 km (0.106 R)
• M5: 2,703,234 km (0.075 R)
• M6: 3,168,932 km (0.113 R)
• M7: 3,688,784 km (0.114 R)
• M8: 4,770,078 km (0.119 R)
• M9: 5,485,904 km (0.105 R)
• M10: 6,368,232 km (0.059 R)
• M11: 7,202,988 km (0.112 R)
• M12: 8,571,360 km (0.083 R)
• M13: 9,932,551 km (0.093 R)
• M14: 11,103,154 km (0.078 R)
• M15: 12,064,769 km (0.112 R)
• M16: 14,487,058 km (0.114 R)
• M17: 15,459,444 km (0.047 R)
• M18: 15,991,713 km (0.113 R)
• M19: 17,407,507 km (0.119 R)
• M20: 21,786,536 km (0.098 R)
• M21: 22,758,174 km (0.118 R)
• M22: 26,178,879 km (0.112 R)
• M23: 27,448,816 km (0.115 R)
• M24: 28,670,881 km (0.063 R)
• M25: 30,571,372 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977

Radius: 5.7

Gravity: 30.07 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.81 AU - 9.43 AU

Year: 16091 Days

Day: 16 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,741,168 km

• M1: 70,909 km (0.078 R)
• M2: 274,063 km (0.078 R)
• M3: 654,191 km (0.069 R)
• M4: 1,031,477 km (0.077 R)
• M5: 1,678,488 km (0.097 R)
• M6: 2,009,997 km (0.064 R)
• M7: 2,428,721 km (0.094 R)
• M8: 3,005,870 km (0.086 R)
• M9: 3,326,757 km (0.103 R)
• M10: 5,633,557 km (0.026 R)
• M11: 7,513,254 km (0.069 R)
• M12: 7,854,337 km (0.057 R)
• M13: 8,515,410 km (0.097 R)
• M14: 8,832,707 km (0.077 R)
• M15: 10,599,159 km (0.105 R)
• M16: 11,153,269 km (0.1 R)
• M17: 11,342,211 km (0.099 R)
• M18: 16,059,182 km (0.107 R)
• M19: 20,211,570 km (0.092 R)
• M20: 21,838,596 km (0.108 R)
• M21: 22,035,617 km (0.075 R)
• M22: 23,758,236 km (0.07 R)
• M23: 24,176,213 km (0.082 R)
• M24: 28,161,650 km (0.089 R)
• M25: 28,629,891 km (0.087 R)
• M26: 32,435,810 km (0.064 R)
• M27: 46,660,773 km (0.103 R)
• M28: 48,310,688 km (0.101 R)
• M29: 50,341,628 km (0.116 R)
• M30: 50,858,040 km (0.115 R)
• M31: 59,035,060 km (0.118 R)
• M32: 59,801,599 km (0.113 R)
• M33: 67,418,076 km (0.057 R)
• M34: 69,737,890 km (0.091 R)
• M35: 72,766,349 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.9

Radius: 6.6

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.07 AU - 10.55 AU

Year: 16626 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,741,168 km

• M1: 82,279 km (0.098 R)
• M2: 760,556 km (0.06 R)
• M3: 965,804 km (0.042 R)
• M4: 1,171,651 km (0.072 R)
• M5: 1,940,284 km (0.055 R)
• M6: 2,473,900 km (0.11 R)
• M7: 2,934,961 km (0.105 R)
• M8: 3,273,052 km (0.114 R)
• M9: 3,663,951 km (0.089 R)
• M10: 4,476,417 km (0.11 R)
• M11: 4,826,626 km (0.072 R)
• M12: 5,438,780 km (0.06 R)
• M13: 5,987,505 km (0.087 R)
• M14: 6,816,876 km (0.051 R)
• M15: 7,855,683 km (0.087 R)
• M16: 8,946,551 km (0.117 R)
• M17: 13,990,842 km (0.113 R)
• M18: 15,158,752 km (0.079 R)
• M19: 15,442,839 km (0.082 R)
• M20: 15,730,366 km (0.057 R)
• M21: 16,168,388 km (0.117 R)
• M22: 16,390,541 km (0.085 R)
• M23: 17,453,733 km (0.062 R)
• M24: 20,657,222 km (0.111 R)
• M25: 22,168,609 km (0.088 R)
• M26: 26,012,975 km (0.072 R)
• M27: 31,185,172 km (0.101 R)
• M28: 33,050,957 km (0.065 R)
• M29: 34,132,400 km (0.053 R)
• M30: 37,389,145 km (0.108 R)
• M31: 38,168,999 km (0.113 R)
• M32: 40,301,816 km (0.114 R)
• M33: 48,852,681 km (0.067 R)
• M34: 51,844,339 km (0.096 R)
• M35: 52,651,419 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.4

Radius: 7.2

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.01 AU - 9.39 AU

Year: 17743 Days

Day: 24.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,741,168 km

• M1: 89,609 km (0.089 R)
• M2: 320,139 km (0.118 R)
• M3: 798,105 km (0.116 R)
• M4: 1,078,900 km (0.098 R)
• M5: 1,593,367 km (0.074 R)
• M6: 1,989,203 km (0.061 R)
• M7: 2,492,001 km (0.119 R)
• M8: 3,001,980 km (0.042 R)
• M9: 3,496,551 km (0.08 R)
• M10: 3,865,310 km (0.092 R)
• M11: 4,228,533 km (0.08 R)
• M12: 5,165,016 km (0.114 R)
• M13: 6,355,666 km (0.084 R)
• M14: 6,733,101 km (0.104 R)
• M15: 7,125,496 km (0.112 R)
• M16: 7,487,074 km (0.116 R)
• M17: 9,643,976 km (0.115 R)
• M18: 10,484,866 km (0.071 R)
• M19: 14,699,936 km (0.08 R)
• M20: 15,510,158 km (0.116 R)
• M21: 16,979,059 km (0.116 R)
• M22: 19,571,141 km (0.095 R)
• M23: 21,656,685 km (0.118 R)
• M24: 23,487,763 km (0.11 R)
• M25: 25,315,550 km (0.061 R)
• M26: 27,017,974 km (0.12 R)
• M27: 28,344,009 km (0.086 R)
• M28: 35,498,976 km (0.035 R)
• M29: 36,023,466 km (0.114 R)
• M30: 41,267,620 km (0.117 R)
• M31: 46,684,559 km (0.026 R)
• M32: 48,109,329 km (0.087 R)
• M33: 51,713,441 km (0.113 R)
• M34: 52,556,874 km (0.062 R)
• M35: 59,269,779 km (0.062 R)
• M36: 62,830,956 km (0.067 R)
• M37: 63,984,505 km (0.056 R)
• M38: 64,761,367 km (0.078 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 19,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit