🌌 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 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.46 AU - 0.74 AU

Year: 305 Days

Day: 13.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,095,399 km

• M1: 89,160 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.6

Radius: 8.3

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.71 AU - 1.03 AU

Year: 532 Days

Day: 10.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,095,399 km

• M1: 105,317 km (0.07 R)
• M2: 492,626 km (0.106 R)
• M3: 791,373 km (0.079 R)
• M4: 1,194,988 km (0.066 R)
• M5: 1,517,371 km (0.065 R)
• M6: 1,914,703 km (0.115 R)
• M7: 2,310,838 km (0.093 R)
• M8: 2,651,323 km (0.11 R)
• M9: 3,132,879 km (0.03 R)
• M10: 3,658,117 km (0.108 R)
• M11: 4,407,452 km (0.057 R)
• M12: 5,772,832 km (0.07 R)
• M13: 6,304,653 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.6

Radius: 9.5

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.09 AU - 2.45 AU

Year: 2244 Days

Day: 14 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,095,399 km

• M1: 118,781 km (0.101 R)
• M2: 461,958 km (0.111 R)
• M3: 1,390,961 km (0.032 R)
• M4: 1,804,599 km (0.033 R)
• M5: 2,175,751 km (0.112 R)
• M6: 2,750,506 km (0.094 R)
• M7: 3,130,485 km (0.119 R)
• M8: 3,702,398 km (0.11 R)
• M9: 4,324,725 km (0.099 R)
• M10: 6,040,463 km (0.081 R)
• M11: 6,403,986 km (0.087 R)
• M12: 7,376,821 km (0.115 R)
• M13: 8,987,541 km (0.066 R)
• M14: 9,798,062 km (0.048 R)
• M15: 10,526,005 km (0.062 R)
• M16: 11,667,886 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818

Radius: 14.4

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.41 AU - 3.61 AU

Year: 3426 Days

Day: 13.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,095,399 km

• M1: 179,069 km (0.047 R)
• M2: 633,846 km (0.106 R)
• M3: 1,400,984 km (0.101 R)
• M4: 1,895,255 km (0.089 R)
• M5: 2,446,673 km (0.109 R)
• M6: 3,419,658 km (0.093 R)
• M7: 4,732,828 km (0.12 R)
• M8: 5,438,631 km (0.071 R)
• M9: 5,928,863 km (0.109 R)
• M10: 6,658,900 km (0.115 R)
• M11: 9,138,784 km (0.09 R)
• M12: 10,318,064 km (0.065 R)
• M13: 10,775,086 km (0.095 R)
• M14: 12,412,734 km (0.104 R)
• M15: 13,908,114 km (0.083 R)
• M16: 17,429,349 km (0.097 R)
• M17: 18,991,150 km (0.028 R)
• M18: 20,644,506 km (0.094 R)
• M19: 21,172,138 km (0.029 R)
• M20: 22,116,998 km (0.045 R)
• M21: 24,455,512 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.5

Radius: 15

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.52 AU - 3.88 AU

Year: 3755 Days

Day: 10.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,095,399 km

• M1: 186,549 km (0.106 R)
• M2: 722,707 km (0.107 R)
• M3: 1,508,395 km (0.105 R)
• M4: 2,093,173 km (0.087 R)
• M5: 2,829,045 km (0.078 R)
• M6: 3,331,993 km (0.104 R)
• M7: 3,998,452 km (0.07 R)
• M8: 4,799,997 km (0.025 R)
• M9: 5,680,231 km (0.028 R)
• M10: 6,967,521 km (0.09 R)
• M11: 8,441,808 km (0.115 R)
• M12: 9,421,375 km (0.08 R)
• M13: 11,305,859 km (0.106 R)
• M14: 13,526,789 km (0.051 R)
• M15: 14,261,315 km (0.119 R)
• M16: 17,526,587 km (0.097 R)
• M17: 19,920,602 km (0.114 R)
• M18: 20,743,690 km (0.105 R)
• M19: 21,854,005 km (0.097 R)
• M20: 22,934,999 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.3

Radius: 10.9

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.68 AU - 5.4 AU

Year: 7423 Days

Day: 5.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,095,399 km

• M1: 138,228 km (0.114 R)
• M2: 529,277 km (0.102 R)
• M3: 995,275 km (0.056 R)
• M4: 2,388,779 km (0.099 R)
• M5: 4,147,601 km (0.11 R)
• M6: 4,593,851 km (0.113 R)
• M7: 5,127,317 km (0.043 R)
• M8: 6,979,189 km (0.092 R)
• M9: 9,745,104 km (0.117 R)
• M10: 12,049,959 km (0.098 R)
• M11: 16,580,979 km (0.062 R)
• M12: 21,913,395 km (0.025 R)
• M13: 23,580,215 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.1

Radius: 3

Gravity: 34.23 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.32 AU - 7.46 AU

Year: 10596 Days

Day: 17.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,095,399 km

• M1: 156,031 km (0.098 R)
• M2: 501,302 km (0.092 R)
• M3: 1,056,610 km (0.095 R)
• M4: 1,644,380 km (0.046 R)
• M5: 2,334,325 km (0.073 R)
• M6: 2,570,540 km (0.081 R)
• M7: 3,466,183 km (0.103 R)
• M8: 3,971,375 km (0.109 R)
• M9: 4,804,036 km (0.054 R)
• M10: 6,416,552 km (0.068 R)
• M11: 6,915,311 km (0.099 R)
• M12: 7,989,424 km (0.034 R)
• M13: 10,317,765 km (0.109 R)
• M14: 12,783,886 km (0.064 R)
• M15: 12,894,439 km (0.082 R)
• M16: 13,685,961 km (0.102 R)
• M17: 27,011,541 km (0.049 R)
• M18: 28,396,967 km (0.066 R)
• M19: 37,151,285 km (0.116 R)
• M20: 38,057,399 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.9

Radius: 6.7

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.46 AU - 10.38 AU

Year: 16028 Days

Day: 22.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,095,399 km

• M1: 83,326 km (0.119 R)
• M2: 705,803 km (0.077 R)
• M3: 1,034,020 km (0.026 R)
• M4: 1,666,071 km (0.115 R)
• M5: 2,336,868 km (0.095 R)
• M6: 2,687,526 km (0.065 R)
• M7: 3,200,347 km (0.087 R)
• M8: 3,747,726 km (0.067 R)
• M9: 7,050,398 km (0.078 R)
• M10: 7,974,165 km (0.092 R)
• M11: 12,418,269 km (0.115 R)
• M12: 14,755,436 km (0.038 R)
• M13: 23,398,753 km (0.028 R)
• M14: 24,200,298 km (0.09 R)
• M15: 25,752,376 km (0.073 R)
• M16: 34,006,588 km (0.104 R)
• M17: 35,425,374 km (0.088 R)
• M18: 40,486,569 km (0.092 R)
• M19: 47,902,884 km (0.108 R)
• M20: 48,545,556 km (0.101 R)
• M21: 51,844,937 km (0.057 R)
• M22: 55,466,851 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.8

Radius: 5.9

Gravity: 15.54 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.33 AU - 11.05 AU

Year: 18276 Days

Day: 19 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,095,399 km

• M1: 74,500 km (0.116 R)
• M2: 344,374 km (0.108 R)
• M3: 563,834 km (0.109 R)
• M4: 878,140 km (0.117 R)
• M5: 1,082,341 km (0.116 R)
• M6: 1,332,468 km (0.055 R)
• M7: 2,281,816 km (0.101 R)
• M8: 2,909,529 km (0.083 R)
• M9: 6,724,275 km (0.08 R)
• M10: 9,161,374 km (0.112 R)
• M11: 9,590,719 km (0.047 R)
• M12: 10,722,577 km (0.053 R)
• M13: 13,046,729 km (0.104 R)
• M14: 19,177,549 km (0.117 R)
• M15: 24,763,384 km (0.069 R)
• M16: 28,996,705 km (0.048 R)
• M17: 32,563,717 km (0.065 R)
• M18: 33,185,296 km (0.089 R)
• M19: 35,097,605 km (0.115 R)
• M20: 36,412,421 km (0.076 R)
• M21: 40,697,054 km (0.098 R)
• M22: 45,460,100 km (0.099 R)
• M23: 51,080,492 km (0.062 R)

Asteroid Belt

Center: 9.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.2

Radius: 4.4

Gravity: 46.6 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.63 AU - 12.05 AU

Year: 20249 Days

Day: 19.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 84,095,399 km

• M1: 54,902 km (0.109 R)
• M2: 266,135 km (0.076 R)
• M3: 418,724 km (0.096 R)
• M4: 604,226 km (0.108 R)
• M5: 768,185 km (0.079 R)
• M6: 1,037,760 km (0.076 R)
• M7: 1,690,606 km (0.07 R)
• M8: 1,979,778 km (0.038 R)
• M9: 2,439,193 km (0.036 R)
• M10: 2,886,790 km (0.077 R)
• M11: 3,535,895 km (0.042 R)
• M12: 3,878,474 km (0.095 R)
• M13: 4,041,386 km (0.097 R)
• M14: 5,273,624 km (0.106 R)
• M15: 7,164,990 km (0.043 R)
• M16: 8,396,031 km (0.101 R)
• M17: 9,061,442 km (0.118 R)
• M18: 11,668,185 km (0.107 R)
• M19: 13,960,922 km (0.098 R)
• M20: 15,374,024 km (0.101 R)
• M21: 16,031,656 km (0.108 R)
• M22: 17,402,870 km (0.09 R)
• M23: 17,846,876 km (0.061 R)
• M24: 24,769,368 km (0.077 R)
• M25: 25,331,108 km (0.073 R)
• M26: 25,786,484 km (0.086 R)
• M27: 27,903,593 km (0.03 R)
• M28: 29,628,307 km (0.038 R)
• M29: 30,006,939 km (0.091 R)
• M30: 30,773,778 km (0.096 R)
• M31: 35,226,559 km (0.115 R)
• M32: 37,827,168 km (0.081 R)
• M33: 39,477,980 km (0.102 R)
• M34: 50,401,617 km (0.102 R)
• M35: 51,121,632 km (0.085 R)
• M36: 51,848,528 km (0.075 R)
• M37: 53,695,912 km (0.096 R)
• M38: 54,635,985 km (0.103 R)
• M39: 56,355,463 km (0.053 R)
• M40: 58,110,545 km (0.109 R)
• M41: 62,553,901 km (0.116 R)
• M42: 64,224,161 km (0.105 R)
• M43: 68,309,679 km (0.095 R)
• M44: 77,709,212 km (0.102 R)
• M45: 79,638,426 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 16,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit