🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.5

Radius: 9.9

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.43 AU - 0.63 AU

Year: 262 Days

Day: 6.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,366,017 km

• M1: 123,119 km (0.048 R)
• M2: 497,114 km (0.093 R)
• M3: 814,261 km (0.113 R)
• M4: 1,129,464 km (0.117 R)
• M5: 1,893,759 km (0.084 R)
• M6: 2,238,583 km (0.081 R)
• M7: 2,794,488 km (0.088 R)
• M8: 3,224,582 km (0.09 R)
• M9: 3,935,322 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.9

Radius: 12.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.72 AU - 0.84 AU

Year: 467 Days

Day: 10.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,366,017 km

• M1: 151,692 km (0.089 R)
• M2: 614,398 km (0.076 R)
• M3: 1,029,533 km (0.105 R)
• M4: 1,928,167 km (0.12 R)
• M5: 2,350,931 km (0.115 R)
• M6: 2,743,775 km (0.09 R)
• M7: 3,853,641 km (0.116 R)
• M8: 4,461,158 km (0.106 R)
• M9: 4,901,125 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.9

Radius: 12.6

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.74 AU - 0.82 AU

Year: 467 Days

Day: 10.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,366,017 km

• M1: 156,779 km (0.061 R)
• M2: 549,772 km (0.069 R)
• M3: 1,032,525 km (0.048 R)
• M4: 1,456,335 km (0.108 R)
• M5: 2,058,317 km (0.047 R)
• M6: 2,602,255 km (0.069 R)
• M7: 3,205,733 km (0.052 R)
• M8: 4,051,709 km (0.083 R)
• M9: 4,603,276 km (0.107 R)
• M10: 5,337,652 km (0.12 R)
• M11: 6,392,317 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.2

Radius: 8.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.02 AU - 1.6 AU

Year: 1017 Days

Day: 6.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,366,017 km

• M1: 104,419 km (0.081 R)
• M2: 379,829 km (0.101 R)
• M3: 672,293 km (0.094 R)
• M4: 1,006,195 km (0.039 R)
• M5: 1,424,321 km (0.115 R)
• M6: 1,867,580 km (0.106 R)
• M7: 2,723,130 km (0.106 R)
• M8: 2,997,792 km (0.114 R)
• M9: 3,314,341 km (0.105 R)
• M10: 3,603,514 km (0.08 R)
• M11: 4,095,840 km (0.069 R)
• M12: 4,415,232 km (0.099 R)
• M13: 4,948,548 km (0.077 R)
• M14: 5,230,989 km (0.039 R)
• M15: 5,607,527 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.5

Radius: 8.1

Gravity: 14.73 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.41 AU - 1.57 AU

Year: 1234 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,366,017 km

• M1: 100,829 km (0.091 R)
• M2: 423,212 km (0.102 R)
• M3: 738,415 km (0.107 R)
• M4: 1,005,298 km (0.103 R)
• M5: 1,387,670 km (0.076 R)
• M6: 2,058,018 km (0.098 R)
• M7: 2,956,652 km (0.091 R)
• M8: 3,534,399 km (0.097 R)
• M9: 4,185,150 km (0.082 R)
• M10: 4,501,101 km (0.084 R)
• M11: 5,329,275 km (0.089 R)
• M12: 6,326,943 km (0.057 R)
• M13: 6,769,154 km (0.098 R)
• M14: 7,993,463 km (0.104 R)
• M15: 8,897,633 km (0.113 R)
• M16: 9,265,494 km (0.04 R)
• M17: 10,329,284 km (0.092 R)
• M18: 11,834,987 km (0.106 R)
• M19: 12,736,314 km (0.052 R)
• M20: 13,282,795 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.9

Radius: 12

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.61 AU - 1.93 AU

Year: 1597 Days

Day: 13.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,366,017 km

• M1: 149,598 km (0.089 R)
• M2: 603,927 km (0.106 R)
• M3: 1,006,794 km (0.05 R)
• M4: 1,577,659 km (0.106 R)
• M5: 1,956,142 km (0.056 R)
• M6: 2,512,945 km (0.087 R)
• M7: 3,189,576 km (0.09 R)
• M8: 6,823,458 km (0.092 R)
• M9: 10,235,636 km (0.078 R)
• M10: 10,837,767 km (0.115 R)
• M11: 13,319,446 km (0.1 R)
• M12: 14,781,466 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.2

Radius: 14.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.71 AU - 2.43 AU

Year: 2020 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,366,017 km

• M1: 182,809 km (0.115 R)
• M2: 766,988 km (0.072 R)
• M3: 1,238,072 km (0.073 R)
• M4: 1,765,255 km (0.1 R)
• M5: 2,670,322 km (0.031 R)
• M6: 3,136,619 km (0.089 R)
• M7: 4,940,021 km (0.083 R)
• M8: 5,790,934 km (0.108 R)
• M9: 6,428,071 km (0.111 R)
• M10: 7,030,352 km (0.078 R)
• M11: 7,670,182 km (0.079 R)
• M12: 8,288,021 km (0.081 R)
• M13: 8,970,936 km (0.03 R)
• M14: 10,378,951 km (0.105 R)
• M15: 11,136,215 km (0.083 R)
• M16: 11,699,301 km (0.058 R)
• M17: 13,758,217 km (0.081 R)
• M18: 14,363,340 km (0.114 R)
• M19: 15,213,056 km (0.079 R)
• M20: 15,720,193 km (0.029 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.6

Radius: 13

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.98 AU - 2.62 AU

Year: 2366 Days

Day: 15 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,366,017 km

• M1: 164,558 km (0.058 R)
• M2: 794,065 km (0.058 R)
• M3: 1,495,829 km (0.083 R)
• M4: 2,427,225 km (0.113 R)
• M5: 3,225,180 km (0.101 R)
• M6: 3,772,260 km (0.086 R)
• M7: 4,191,433 km (0.045 R)
• M8: 5,515,374 km (0.067 R)
• M9: 6,111,522 km (0.076 R)
• M10: 7,341,964 km (0.073 R)
• M11: 8,629,104 km (0.117 R)
• M12: 11,357,919 km (0.082 R)
• M13: 12,239,350 km (0.118 R)
• M14: 13,165,660 km (0.102 R)
• M15: 13,762,256 km (0.08 R)
• M16: 14,328,783 km (0.098 R)
• M17: 15,508,811 km (0.106 R)
• M18: 16,070,850 km (0.104 R)
• M19: 16,859,231 km (0.035 R)
• M20: 18,570,032 km (0.065 R)
• M21: 20,031,903 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.3

Radius: 8

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.16 AU - 3.6 AU

Year: 4215 Days

Day: 5.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,366,017 km

• M1: 99,483 km (0.075 R)
• M2: 428,598 km (0.093 R)
• M3: 1,192,145 km (0.102 R)
• M4: 2,100,354 km (0.059 R)
• M5: 2,528,802 km (0.115 R)
• M6: 5,812,924 km (0.047 R)
• M7: 6,425,528 km (0.12 R)
• M8: 6,688,222 km (0.12 R)
• M9: 7,424,243 km (0.068 R)
• M10: 7,779,089 km (0.044 R)
• M11: 9,239,464 km (0.082 R)
• M12: 9,650,409 km (0.042 R)
• M13: 11,416,861 km (0.111 R)
• M14: 12,242,491 km (0.084 R)
• M15: 13,722,313 km (0.05 R)
• M16: 14,356,160 km (0.104 R)
• M17: 15,473,207 km (0.113 R)
• M18: 17,821,894 km (0.055 R)
• M19: 19,412,568 km (0.064 R)
• M20: 20,148,888 km (0.098 R)
• M21: 21,873,901 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.9

Radius: 4.7

Gravity: 33.68 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.92 AU - 12.16 AU

Year: 23209 Days

Day: 20.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,366,017 km

• M1: 58,493 km (0.079 R)
• M2: 215,122 km (0.114 R)
• M3: 537,056 km (0.114 R)
• M4: 1,108,520 km (0.113 R)
• M5: 1,343,239 km (0.116 R)
• M6: 1,523,505 km (0.089 R)
• M7: 2,531,346 km (0.106 R)
• M8: 2,807,802 km (0.045 R)
• M9: 4,945,406 km (0.081 R)
• M10: 5,418,136 km (0.106 R)
• M11: 6,544,608 km (0.116 R)
• M12: 8,905,262 km (0.089 R)
• M13: 9,783,402 km (0.111 R)
• M14: 10,976,893 km (0.096 R)
• M15: 12,547,372 km (0.11 R)
• M16: 13,876,549 km (0.115 R)
• M17: 14,029,737 km (0.07 R)
• M18: 17,604,528 km (0.117 R)
• M19: 20,727,683 km (0.086 R)
• M20: 22,683,525 km (0.118 R)
• M21: 26,602,092 km (0.063 R)
• M22: 30,688,507 km (0.109 R)
• M23: 33,358,380 km (0.062 R)
• M24: 34,188,499 km (0.057 R)
• M25: 39,614,414 km (0.087 R)
• M26: 41,015,847 km (0.08 R)
• M27: 41,649,244 km (0.118 R)
• M28: 44,413,813 km (0.102 R)
• M29: 47,298,359 km (0.117 R)
• M30: 55,146,562 km (0.107 R)
• M31: 57,482,234 km (0.107 R)
• M32: 60,493,340 km (0.072 R)
• M33: 67,484,497 km (0.097 R)
• M34: 69,704,679 km (0.038 R)
• M35: 69,929,375 km (0.068 R)
• M36: 70,380,113 km (0.085 R)
• M37: 74,290,303 km (0.088 R)
• M38: 79,317,240 km (0.206 R)
• M39: 79,562,132 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 14,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit