🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490

Radius: 14.1

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.9 AU - 1.14 AU

Year: 699 Days

Day: 11 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,923,358 km

• M1: 177,722 km (0.075 R)
• M2: 650,302 km (0.074 R)
• M3: 1,094,757 km (0.117 R)
• M4: 1,708,258 km (0.108 R)
• M5: 2,169,618 km (0.037 R)
• M6: 2,620,057 km (0.086 R)
• M7: 3,074,535 km (0.103 R)
• M8: 4,518,304 km (0.117 R)
• M9: 4,995,223 km (0.105 R)
• M10: 5,865,284 km (0.101 R)
• M11: 7,040,525 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.4

Radius: 14.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.69 AU - 2.31 AU

Year: 1918 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,923,358 km

• M1: 184,005 km (0.103 R)
• M2: 901,776 km (0.104 R)
• M3: 1,373,608 km (0.029 R)
• M4: 2,244,118 km (0.113 R)
• M5: 2,779,229 km (0.084 R)
• M6: 3,295,043 km (0.082 R)
• M7: 3,825,517 km (0.031 R)
• M8: 6,986,370 km (0.077 R)
• M9: 7,896,374 km (0.102 R)
• M10: 9,484,355 km (0.117 R)
• M11: 9,984,162 km (0.118 R)
• M12: 10,800,517 km (0.07 R)
• M13: 11,485,227 km (0.08 R)
• M14: 12,529,420 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.8

Radius: 10.7

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.08 AU - 2.26 AU

Year: 2168 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,923,358 km

• M1: 133,142 km (0.107 R)
• M2: 479,910 km (0.057 R)
• M3: 828,473 km (0.111 R)
• M4: 1,165,367 km (0.112 R)
• M5: 1,687,165 km (0.091 R)
• M6: 2,146,281 km (0.107 R)
• M7: 2,687,975 km (0.108 R)
• M8: 3,302,523 km (0.083 R)
• M9: 3,786,771 km (0.119 R)
• M10: 4,397,729 km (0.054 R)
• M11: 5,576,709 km (0.073 R)
• M12: 6,982,780 km (0.094 R)
• M13: 9,130,706 km (0.095 R)
• M14: 11,262,176 km (0.096 R)
• M15: 11,921,903 km (0.12 R)
• M16: 13,793,223 km (0.09 R)
• M17: 14,730,454 km (0.096 R)
• M18: 16,093,589 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.2

Radius: 9.6

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.3 AU - 3.28 AU

Year: 3161 Days

Day: 6.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,923,358 km

• M1: 124,017 km (0.113 R)
• M2: 459,415 km (0.104 R)
• M3: 902,973 km (0.105 R)
• M4: 2,088,835 km (0.106 R)
• M5: 2,822,762 km (0.1 R)
• M6: 3,907,347 km (0.091 R)
• M7: 4,485,692 km (0.062 R)
• M8: 7,127,142 km (0.05 R)
• M9: 7,650,884 km (0.095 R)
• M10: 7,991,219 km (0.097 R)
• M11: 10,747,859 km (0.098 R)
• M12: 11,703,041 km (0.104 R)
• M13: 15,602,160 km (0.101 R)
• M14: 22,569,681 km (0.095 R)
• M15: 24,350,644 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.8

Radius: 3.9

Gravity: 14.71 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.65 AU - 5.67 AU

Year: 9133 Days

Day: 23.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,923,358 km

• M1: 49,666 km (0.049 R)
• M2: 214,823 km (0.034 R)
• M3: 421,118 km (0.056 R)
• M4: 751,729 km (0.106 R)
• M5: 1,436,738 km (0.097 R)
• M6: 1,569,730 km (0.09 R)
• M7: 2,298,422 km (0.104 R)
• M8: 2,447,272 km (0.11 R)
• M9: 3,857,680 km (0.109 R)
• M10: 5,210,793 km (0.114 R)
• M11: 6,009,047 km (0.102 R)
• M12: 6,851,582 km (0.076 R)
• M13: 8,220,553 km (0.082 R)
• M14: 8,847,816 km (0.107 R)
• M15: 10,419,791 km (0.113 R)
• M16: 12,118,924 km (0.074 R)
• M17: 13,349,067 km (0.092 R)
• M18: 15,115,369 km (0.032 R)
• M19: 17,471,236 km (0.064 R)
• M20: 18,242,712 km (0.118 R)
• M21: 18,636,753 km (0.092 R)
• M22: 20,692,677 km (0.076 R)
• M23: 20,834,944 km (0.114 R)
• M24: 22,667,967 km (0.051 R)
• M25: 23,584,852 km (0.093 R)
• M26: 24,605,858 km (0.112 R)
• M27: 27,073,475 km (0.096 R)
• M28: 28,984,587 km (0.105 R)
• M29: 30,155,041 km (0.026 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.1

Radius: 4.1

Gravity: 37.84 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.25 AU - 8.79 AU

Year: 13987 Days

Day: 17.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,923,358 km

• M1: 51,462 km (0.095 R)
• M2: 207,941 km (0.105 R)
• M3: 584,479 km (0.079 R)
• M4: 743,651 km (0.105 R)
• M5: 1,126,173 km (0.109 R)
• M6: 1,644,529 km (0.042 R)
• M7: 3,035,042 km (0.119 R)
• M8: 4,473,874 km (0.116 R)
• M9: 5,235,177 km (0.087 R)
• M10: 6,274,135 km (0.053 R)
• M11: 7,268,213 km (0.086 R)
• M12: 7,399,410 km (0.106 R)
• M13: 8,079,332 km (0.088 R)
• M14: 12,610,053 km (0.093 R)
• M15: 18,263,357 km (0.069 R)
• M16: 23,730,561 km (0.106 R)
• M17: 25,199,911 km (0.086 R)
• M18: 45,110,490 km (0.111 R)
• M19: 45,405,946 km (0.101 R)
• M20: 48,741,829 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.9

Radius: 5.2

Gravity: 26.48 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.07 AU - 8.33 AU

Year: 14492 Days

Day: 21.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 78,923,358 km

• M1: 64,776 km (0.065 R)
• M2: 370,404 km (0.083 R)
• M3: 577,597 km (0.088 R)
• M4: 2,122,943 km (0.092 R)
• M5: 2,532,094 km (0.096 R)
• M6: 2,778,780 km (0.025 R)
• M7: 3,346,205 km (0.103 R)
• M8: 3,560,729 km (0.118 R)
• M9: 4,544,634 km (0.089 R)
• M10: 5,081,540 km (0.085 R)
• M11: 6,484,170 km (0.111 R)
• M12: 6,691,812 km (0.047 R)
• M13: 7,658,065 km (0.063 R)
• M14: 8,270,817 km (0.077 R)
• M15: 8,515,111 km (0.096 R)
• M16: 9,917,890 km (0.107 R)
• M17: 10,645,384 km (0.051 R)
• M18: 11,771,856 km (0.062 R)
• M19: 13,776,618 km (0.036 R)
• M20: 14,328,634 km (0.076 R)
• M21: 14,610,177 km (0.056 R)
• M22: 14,823,803 km (0.079 R)
• M23: 15,257,188 km (0.102 R)
• M24: 17,955,036 km (0.097 R)
• M25: 18,364,784 km (0.1 R)
• M26: 18,613,565 km (0.087 R)
• M27: 19,459,093 km (0.098 R)
• M28: 21,408,951 km (0.117 R)
• M29: 22,149,162 km (0.084 R)
• M30: 22,715,389 km (0.116 R)
• M31: 23,975,303 km (0.117 R)
• M32: 24,372,186 km (0.087 R)
• M33: 27,706,124 km (0.103 R)
• M34: 28,033,444 km (0.062 R)
• M35: 37,344,266 km (0.093 R)
• M36: 38,415,686 km (0.113 R)
• M37: 39,232,640 km (0.078 R)
• M38: 39,922,137 km (0.065 R)
• M39: 41,183,695 km (0.075 R)
• M40: 42,761,355 km (0.086 R)
• M41: 44,527,806 km (0.107 R)
• M42: 45,884,210 km (0.068 R)
• M43: 49,475,307 km (0.107 R)
• M44: 59,172,989 km (0.12 R)
• M45: 59,715,730 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.9

Radius: 4.4

Gravity: 47.41 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.58 AU - 9.38 AU

Year: 18252 Days

Day: 23.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,923,358 km

• M1: 61,934 km (0.079 R)
• M2: 212,429 km (0.119 R)
• M3: 390,002 km (0.112 R)
• M4: 714,479 km (0.091 R)
• M5: 989,440 km (0.1 R)
• M6: 1,749,248 km (0.04 R)
• M7: 1,958,386 km (0.118 R)
• M8: 2,359,158 km (0.116 R)
• M9: 2,590,886 km (0.039 R)
• M10: 3,407,241 km (0.05 R)
• M11: 3,643,157 km (0.108 R)
• M12: 5,293,969 km (0.093 R)
• M13: 5,981,820 km (0.069 R)
• M14: 6,194,997 km (0.095 R)
• M15: 6,546,552 km (0.107 R)
• M16: 8,614,444 km (0.113 R)
• M17: 11,598,173 km (0.107 R)
• M18: 12,542,884 km (0.12 R)
• M19: 12,681,860 km (0.076 R)
• M20: 13,033,864 km (0.114 R)
• M21: 13,392,450 km (0.063 R)
• M22: 14,204,168 km (0.107 R)
• M23: 18,669,964 km (0.117 R)
• M24: 19,495,146 km (0.113 R)
• M25: 21,914,592 km (0.113 R)
• M26: 23,988,617 km (0.095 R)
• M27: 24,963,097 km (0.092 R)
• M28: 39,384,781 km (0.106 R)
• M29: 39,982,873 km (0.055 R)
• M30: 41,968,785 km (0.096 R)
• M31: 44,987,969 km (0.094 R)
• M32: 47,809,385 km (0.112 R)
• M33: 56,218,880 km (0.094 R)
• M34: 58,901,918 km (0.105 R)
• M35: 67,461,459 km (0.059 R)
• M36: 69,832,585 km (0.057 R)
• M37: 70,269,710 km (0.08 R)
• M38: 72,258,913 km (0.105 R)
• M39: 73,605,593 km (0.215 R)
• M40: 74,285,216 km (0.06 R)
• M41: 78,215,601 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 12,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit