🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.4

Radius: 12.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.57 AU - 0.63 AU

Year: 310 Days

Day: 14.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 80,875,413 km

• M1: 161,715 km (0.091 R)
• M2: 605,123 km (0.115 R)
• M3: 1,023,549 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.2

Radius: 11.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.57 AU - 0.77 AU

Year: 366 Days

Day: 12.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,875,413 km

• M1: 147,952 km (0.068 R)
• M2: 984,204 km (0.111 R)
• M3: 1,394,402 km (0.101 R)
• M4: 2,327,593 km (0.054 R)
• M5: 2,748,412 km (0.119 R)
• M6: 3,181,199 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.1

Radius: 11

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.78 AU - 0.96 AU

Year: 541 Days

Day: 5.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,875,413 km

• M1: 137,331 km (0.075 R)
• M2: 505,342 km (0.084 R)
• M3: 877,242 km (0.092 R)
• M4: 1,283,699 km (0.042 R)
• M5: 1,690,905 km (0.092 R)
• M6: 2,217,788 km (0.118 R)
• M7: 2,659,252 km (0.085 R)
• M8: 3,013,051 km (0.106 R)
• M9: 3,580,176 km (0.087 R)
• M10: 4,441,561 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.7

Radius: 11.8

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.82 AU - 1.14 AU

Year: 647 Days

Day: 7 Hours

Environment

Temp: -174 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,875,413 km

• M1: 146,756 km (0.063 R)
• M2: 662,719 km (0.1 R)
• M3: 1,313,769 km (0.111 R)
• M4: 1,909,018 km (0.104 R)
• M5: 2,583,705 km (0.101 R)
• M6: 3,153,374 km (0.076 R)
• M7: 4,546,130 km (0.091 R)
• M8: 5,158,434 km (0.059 R)
• M9: 6,217,587 km (0.078 R)
• M10: 6,890,927 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.6

Radius: 11.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.14 AU - 1.66 AU

Year: 1105 Days

Day: 10.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,875,413 km

• M1: 138,228 km (0.057 R)
• M2: 639,531 km (0.104 R)
• M3: 1,585,139 km (0.088 R)
• M4: 1,950,158 km (0.11 R)
• M5: 3,041,325 km (0.09 R)
• M6: 3,749,371 km (0.079 R)
• M7: 5,072,864 km (0.09 R)
• M8: 6,185,274 km (0.039 R)
• M9: 6,747,462 km (0.091 R)
• M10: 7,564,716 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.9

Radius: 8.2

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.03 AU - 3.17 AU

Year: 3640 Days

Day: 11.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,875,413 km

• M1: 103,223 km (0.079 R)
• M2: 396,434 km (0.078 R)
• M3: 1,173,446 km (0.093 R)
• M4: 1,472,043 km (0.112 R)
• M5: 2,457,295 km (0.093 R)
• M6: 2,851,784 km (0.114 R)
• M7: 3,768,071 km (0.09 R)
• M8: 4,163,458 km (0.098 R)
• M9: 4,940,170 km (0.12 R)
• M10: 6,168,668 km (0.041 R)
• M11: 6,600,408 km (0.065 R)
• M12: 7,460,446 km (0.037 R)
• M13: 8,815,653 km (0.114 R)
• M14: 9,476,277 km (0.118 R)
• M15: 11,020,426 km (0.07 R)
• M16: 11,786,816 km (0.115 R)
• M17: 12,452,228 km (0.111 R)
• M18: 12,863,472 km (0.104 R)
• M19: 13,955,387 km (0.082 R)
• M20: 16,485,685 km (0.086 R)
• M21: 17,601,087 km (0.056 R)
• M22: 19,005,063 km (0.083 R)
• M23: 19,857,621 km (0.099 R)
• M24: 20,672,032 km (0.112 R)
• M25: 21,902,026 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.1

Radius: 6.7

Gravity: 17.22 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.79 AU - 6.93 AU

Year: 10696 Days

Day: 15.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,875,413 km

• M1: 83,326 km (0.073 R)
• M2: 382,223 km (0.112 R)
• M3: 653,443 km (0.112 R)
• M4: 1,020,557 km (0.081 R)
• M5: 1,448,556 km (0.113 R)
• M6: 1,743,264 km (0.106 R)
• M7: 2,024,957 km (0.067 R)
• M8: 3,246,423 km (0.108 R)
• M9: 5,846,434 km (0.088 R)
• M10: 7,036,635 km (0.088 R)
• M11: 8,943,858 km (0.119 R)
• M12: 9,632,756 km (0.108 R)
• M13: 10,146,027 km (0.088 R)
• M14: 10,356,361 km (0.038 R)
• M15: 11,227,171 km (0.096 R)
• M16: 12,928,398 km (0.107 R)
• M17: 14,861,800 km (0.095 R)
• M18: 16,613,741 km (0.048 R)
• M19: 19,533,742 km (0.069 R)
• M20: 23,049,292 km (0.103 R)
• M21: 24,340,322 km (0.087 R)
• M22: 24,717,757 km (0.045 R)
• M23: 26,564,692 km (0.104 R)
• M24: 27,267,653 km (0.093 R)
• M25: 28,921,008 km (0.11 R)
• M26: 29,664,959 km (0.072 R)
• M27: 30,530,681 km (0.039 R)
• M28: 32,199,296 km (0.071 R)
• M29: 33,344,767 km (0.032 R)
• M30: 39,223,515 km (0.109 R)
• M31: 45,328,903 km (0.109 R)
• M32: 46,476,767 km (0.061 R)
• M33: 51,107,869 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.8

Radius: 4.2

Gravity: 44.38 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.31 AU - 7.69 AU

Year: 13697 Days

Day: 17.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,875,413 km

• M1: 52,509 km (0.088 R)
• M2: 197,469 km (0.047 R)
• M3: 339,886 km (0.106 R)
• M4: 568,771 km (0.118 R)
• M5: 874,250 km (0.113 R)
• M6: 1,005,597 km (0.073 R)
• M7: 1,175,690 km (0.079 R)
• M8: 1,605,634 km (0.109 R)
• M9: 2,312,035 km (0.078 R)
• M10: 2,479,435 km (0.043 R)
• M11: 3,387,644 km (0.077 R)
• M12: 3,659,314 km (0.08 R)
• M13: 4,726,246 km (0.081 R)
• M14: 5,907,770 km (0.075 R)
• M15: 6,221,327 km (0.119 R)
• M16: 8,438,217 km (0.065 R)
• M17: 8,735,319 km (0.11 R)
• M18: 9,615,104 km (0.104 R)
• M19: 13,126,166 km (0.108 R)
• M20: 19,384,294 km (0.063 R)
• M21: 20,075,585 km (0.057 R)
• M22: 23,006,058 km (0.116 R)
• M23: 26,000,708 km (0.084 R)
• M24: 26,629,319 km (0.043 R)
• M25: 28,245,125 km (0.114 R)
• M26: 29,245,337 km (0.118 R)
• M27: 31,551,986 km (0.115 R)
• M28: 32,267,064 km (0.061 R)
• M29: 43,881,244 km (0.108 R)
• M30: 50,692,435 km (0.067 R)
• M31: 52,498,830 km (0.063 R)
• M32: 57,113,924 km (0.115 R)
• M33: 57,819,727 km (0.111 R)
• M34: 59,609,964 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.7

Radius: 5.8

Gravity: 16.04 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.97 AU - 11.53 AU

Year: 18760 Days

Day: 23.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,875,413 km

• M1: 72,106 km (0.107 R)
• M2: 281,543 km (0.087 R)
• M3: 1,174,493 km (0.063 R)
• M4: 1,548,787 km (0.109 R)
• M5: 2,360,056 km (0.119 R)
• M6: 3,184,490 km (0.106 R)
• M7: 3,535,147 km (0.064 R)
• M8: 5,880,842 km (0.091 R)
• M9: 7,281,527 km (0.109 R)
• M10: 9,100,786 km (0.086 R)
• M11: 17,789,132 km (0.109 R)
• M12: 27,220,829 km (0.097 R)
• M13: 34,772,978 km (0.05 R)
• M14: 35,163,877 km (0.075 R)
• M15: 35,557,619 km (0.036 R)
• M16: 36,354,078 km (0.085 R)
• M17: 38,258,459 km (0.092 R)
• M18: 39,800,663 km (0.072 R)
• M19: 47,175,838 km (0.099 R)
• M20: 50,597,441 km (0.08 R)
• M21: 57,929,382 km (0.09 R)
• M22: 64,555,520 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616

Radius: 6.1

Gravity: 16.55 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.51 AU - 12.75 AU

Year: 23112 Days

Day: 19.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,875,413 km

• M1: 96,042 km (0.068 R)
• M2: 359,633 km (0.081 R)
• M3: 834,906 km (0.113 R)
• M4: 1,151,455 km (0.05 R)
• M5: 1,463,516 km (0.057 R)
• M6: 2,301,414 km (0.072 R)
• M7: 3,336,481 km (0.088 R)
• M8: 4,037,347 km (0.062 R)
• M9: 6,062,155 km (0.088 R)
• M10: 7,292,447 km (0.098 R)
• M11: 7,487,972 km (0.095 R)
• M12: 7,991,967 km (0.069 R)
• M13: 9,816,612 km (0.108 R)
• M14: 12,173,228 km (0.039 R)
• M15: 14,114,110 km (0.086 R)
• M16: 14,571,730 km (0.106 R)
• M17: 19,802,270 km (0.075 R)
• M18: 20,472,618 km (0.055 R)
• M19: 24,486,329 km (0.083 R)
• M20: 27,908,979 km (0.074 R)
• M21: 38,715,181 km (0.081 R)
• M22: 40,981,589 km (0.086 R)
• M23: 42,225,794 km (0.047 R)
• M24: 44,463,330 km (0.037 R)
• M25: 46,443,257 km (0.108 R)
• M26: 47,454,838 km (0.114 R)
• M27: 49,521,982 km (0.074 R)
• M28: 50,224,194 km (0.025 R)
• M29: 52,008,597 km (0.103 R)
• M30: 57,229,264 km (0.106 R)
• M31: 57,614,927 km (0.094 R)
• M32: 61,568,200 km (0.108 R)
• M33: 64,649,169 km (0.107 R)
• M34: 67,615,994 km (0.096 R)
• M35: 67,831,265 km (0.081 R)
• M36: 69,789,800 km (0.07 R)
• M37: 73,364,292 km (0.07 R)
• M38: 75,427,546 km (0.118 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: 352 - 14,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit