🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.3

Radius: 11.4

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.42 AU - 0.66 AU

Year: 265 Days

Day: 5.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 89,180,773 km

• M1: 141,819 km (0.083 R)
• M2: 537,206 km (0.084 R)
• M3: 923,019 km (0.1 R)
• M4: 1,410,110 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.2

Radius: 8

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.25 AU - 1.69 AU

Year: 1189 Days

Day: 6.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,180,773 km

• M1: 99,632 km (0.106 R)
• M2: 362,027 km (0.105 R)
• M3: 640,279 km (0.056 R)
• M4: 1,031,627 km (0.041 R)
• M5: 1,307,785 km (0.113 R)
• M6: 1,691,653 km (0.116 R)
• M7: 2,189,365 km (0.029 R)
• M8: 2,462,082 km (0.066 R)
• M9: 4,014,459 km (0.115 R)
• M10: 4,296,301 km (0.082 R)
• M11: 4,692,586 km (0.072 R)
• M12: 5,332,566 km (0.034 R)
• M13: 5,869,622 km (0.089 R)
• M14: 6,358,059 km (0.08 R)
• M15: 6,895,564 km (0.066 R)
• M16: 7,416,314 km (0.084 R)
• M17: 7,746,028 km (0.075 R)
• M18: 8,359,080 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.9

Radius: 9.7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.53 AU - 1.59 AU

Year: 1299 Days

Day: 5.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,180,773 km

• M1: 120,576 km (0.116 R)
• M2: 533,915 km (0.117 R)
• M3: 885,470 km (0.074 R)
• M4: 1,207,853 km (0.091 R)
• M5: 1,981,723 km (0.069 R)
• M6: 2,641,599 km (0.107 R)
• M7: 3,176,561 km (0.066 R)
• M8: 4,689,893 km (0.042 R)
• M9: 6,390,971 km (0.03 R)
• M10: 7,575,487 km (0.064 R)
• M11: 9,289,729 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.7

Radius: 8

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.78 AU - 2.1 AU

Year: 1802 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,180,773 km

• M1: 103,821 km (0.038 R)
• M2: 566,976 km (0.088 R)
• M3: 953,686 km (0.094 R)
• M4: 1,635,404 km (0.063 R)
• M5: 1,907,672 km (0.117 R)
• M6: 2,256,085 km (0.119 R)
• M7: 2,968,471 km (0.062 R)
• M8: 3,377,022 km (0.112 R)
• M9: 3,691,477 km (0.097 R)
• M10: 5,170,402 km (0.088 R)
• M11: 5,610,818 km (0.078 R)
• M12: 6,121,694 km (0.098 R)
• M13: 6,809,545 km (0.101 R)
• M14: 7,680,355 km (0.052 R)
• M15: 7,977,456 km (0.097 R)
• M16: 8,594,697 km (0.082 R)
• M17: 8,944,606 km (0.082 R)
• M18: 9,303,940 km (0.095 R)
• M19: 11,007,711 km (0.05 R)
• M20: 11,385,744 km (0.097 R)
• M21: 12,131,639 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.4

Radius: 12.1

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.09 AU - 2.33 AU

Year: 2191 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,180,773 km

• M1: 150,495 km (0.089 R)
• M2: 614,249 km (0.06 R)
• M3: 1,219,223 km (0.063 R)
• M4: 1,689,259 km (0.056 R)
• M5: 2,639,804 km (0.084 R)
• M6: 3,070,048 km (0.101 R)
• M7: 3,637,622 km (0.08 R)
• M8: 4,034,505 km (0.113 R)
• M9: 4,544,933 km (0.092 R)
• M10: 5,284,694 km (0.111 R)
• M11: 5,671,405 km (0.066 R)
• M12: 6,102,995 km (0.087 R)
• M13: 6,862,054 km (0.074 R)
• M14: 10,846,594 km (0.043 R)
• M15: 12,673,184 km (0.111 R)
• M16: 13,237,018 km (0.083 R)
• M17: 14,791,190 km (0.119 R)
• M18: 16,260,690 km (0.107 R)
• M19: 17,240,556 km (0.051 R)
• M20: 18,368,823 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.5

Radius: 14.9

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.44 AU - 5.18 AU

Year: 5967 Days

Day: 13.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,180,773 km

• M1: 185,950 km (0.067 R)
• M2: 652,845 km (0.087 R)
• M3: 1,230,742 km (0.108 R)
• M4: 2,416,903 km (0.058 R)
• M5: 2,946,779 km (0.099 R)
• M6: 3,465,883 km (0.104 R)
• M7: 4,145,058 km (0.097 R)
• M8: 6,255,585 km (0.108 R)
• M9: 8,145,155 km (0.108 R)
• M10: 8,672,039 km (0.083 R)
• M11: 9,483,159 km (0.082 R)
• M12: 10,205,118 km (0.112 R)
• M13: 10,866,640 km (0.107 R)
• M14: 11,356,423 km (0.108 R)
• M15: 14,554,377 km (0.106 R)
• M16: 15,030,098 km (0.094 R)
• M17: 15,639,261 km (0.081 R)
• M18: 25,819,695 km (0.087 R)
• M19: 34,630,261 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.3

Radius: 8

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.61 AU - 10.67 AU

Year: 16936 Days

Day: 18.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,180,773 km

• M1: 127,457 km (0.09 R)
• M2: 630,256 km (0.094 R)
• M3: 988,244 km (0.098 R)
• M4: 1,409,810 km (0.071 R)
• M5: 2,185,326 km (0.112 R)
• M6: 2,794,189 km (0.059 R)
• M7: 5,305,339 km (0.09 R)
• M8: 6,019,669 km (0.058 R)
• M9: 6,367,933 km (0.091 R)
• M10: 7,602,265 km (0.077 R)
• M11: 9,742,113 km (0.107 R)
• M12: 10,222,770 km (0.08 R)
• M13: 11,614,031 km (0.06 R)
• M14: 12,711,481 km (0.077 R)
• M15: 16,910,992 km (0.093 R)
• M16: 18,384,082 km (0.116 R)
• M17: 22,400,336 km (0.068 R)
• M18: 24,412,428 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.4

Radius: 4.4

Gravity: 30.39 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 8.5 AU - 9.88 AU

Year: 18578 Days

Day: 16.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 89,180,773 km

• M1: 56,099 km (0.114 R)
• M2: 195,674 km (0.076 R)
• M3: 449,392 km (0.092 R)
• M4: 828,024 km (0.075 R)
• M5: 1,222,663 km (0.062 R)
• M6: 1,597,705 km (0.112 R)
• M7: 2,124,439 km (0.071 R)
• M8: 2,549,896 km (0.07 R)
• M9: 2,904,742 km (0.119 R)
• M10: 4,558,098 km (0.066 R)
• M11: 4,762,149 km (0.086 R)
• M12: 5,152,300 km (0.095 R)
• M13: 7,475,256 km (0.104 R)
• M14: 7,616,476 km (0.104 R)
• M15: 10,067,937 km (0.109 R)
• M16: 10,949,218 km (0.048 R)
• M17: 12,267,773 km (0.055 R)
• M18: 14,185,768 km (0.086 R)
• M19: 15,826,108 km (0.104 R)
• M20: 17,341,086 km (0.074 R)
• M21: 21,215,372 km (0.1 R)
• M22: 21,498,710 km (0.095 R)
• M23: 22,169,806 km (0.061 R)
• M24: 22,559,508 km (0.066 R)
• M25: 28,049,152 km (0.114 R)
• M26: 29,902,071 km (0.045 R)
• M27: 31,100,500 km (0.054 R)
• M28: 37,576,592 km (0.068 R)
• M29: 39,396,300 km (0.082 R)
• M30: 42,309,419 km (0.116 R)
• M31: 42,758,363 km (0.097 R)
• M32: 45,050,950 km (0.119 R)
• M33: 45,206,681 km (0.119 R)
• M34: 45,990,574 km (0.12 R)
• M35: 53,109,638 km (0.077 R)
• M36: 56,476,338 km (0.098 R)
• M37: 58,303,975 km (0.099 R)
• M38: 58,674,230 km (0.119 R)
• M39: 59,046,130 km (0.081 R)
• M40: 62,463,245 km (0.099 R)
• M41: 64,023,401 km (0.097 R)
• M42: 67,628,261 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.2

Radius: 3.2

Gravity: 96.02 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.36 AU - 10.7 AU

Year: 21183 Days

Day: 24.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 89,180,773 km

• M1: 39,793 km (0.069 R)
• M2: 143,016 km (0.089 R)
• M3: 259,104 km (0.087 R)
• M4: 371,751 km (0.115 R)
• M5: 525,837 km (0.109 R)
• M6: 2,619,010 km (0.025 R)
• M7: 2,906,387 km (0.088 R)
• M8: 3,331,395 km (0.087 R)
• M9: 3,512,558 km (0.07 R)
• M10: 3,960,903 km (0.061 R)
• M11: 4,591,757 km (0.095 R)
• M12: 5,409,309 km (0.115 R)
• M13: 7,326,705 km (0.109 R)
• M14: 8,436,572 km (0.039 R)
• M15: 10,021,861 km (0.089 R)
• M16: 10,209,307 km (0.07 R)
• M17: 10,720,931 km (0.091 R)
• M18: 11,249,461 km (0.116 R)
• M19: 11,452,016 km (0.062 R)
• M20: 13,843,637 km (0.102 R)
• M21: 15,278,730 km (0.117 R)
• M22: 15,862,760 km (0.109 R)
• M23: 19,390,726 km (0.067 R)
• M24: 27,211,853 km (0.119 R)
• M25: 27,333,177 km (0.066 R)
• M26: 27,454,800 km (0.116 R)
• M27: 28,192,467 km (0.062 R)
• M28: 29,323,427 km (0.066 R)
• M29: 29,578,790 km (0.084 R)
• M30: 33,729,084 km (0.103 R)
• M31: 37,947,744 km (0.053 R)
• M32: 40,104,646 km (0.088 R)
• M33: 41,533,455 km (0.098 R)
• M34: 42,179,269 km (0.109 R)
• M35: 44,660,799 km (0.103 R)
• M36: 49,730,671 km (0.058 R)
• M37: 60,373,661 km (0.063 R)
• M38: 61,619,064 km (0.067 R)
• M39: 69,452,756 km (0.047 R)
• M40: 70,134,025 km (0.096 R)
• M41: 77,193,399 km (0.083 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 20,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit