🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.5

Radius: 8

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.46 AU - 0.7 AU

Year: 305 Days

Day: 8 Hours

Environment

Temp: -142 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,087,843 km

• M1: 99,483 km (0.06 R)
• M2: 374,743 km (0.107 R)
• M3: 626,516 km (0.039 R)
• M4: 901,477 km (0.107 R)
• M5: 1,173,446 km (0.11 R)
• M6: 1,465,760 km (0.068 R)
• M7: 1,787,096 km (0.115 R)
• M8: 2,065,947 km (0.12 R)
• M9: 2,513,843 km (0.081 R)
• M10: 2,783,867 km (0.068 R)
• M11: 3,034,742 km (0.085 R)
• M12: 3,636,425 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.4

Radius: 9.1

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.56 AU - 0.7 AU

Year: 345 Days

Day: 8.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 80.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,087,843 km

• M1: 113,096 km (0.103 R)
• M2: 497,563 km (0.104 R)
• M3: 838,346 km (0.098 R)
• M4: 1,124,078 km (0.066 R)
• M5: 1,594,265 km (0.069 R)
• M6: 1,914,554 km (0.116 R)
• M7: 2,231,103 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.4

Radius: 12.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.4 AU - 1.66 AU

Year: 1306 Days

Day: 11 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,087,843 km

• M1: 151,991 km (0.083 R)
• M2: 576,550 km (0.036 R)
• M3: 1,008,738 km (0.081 R)
• M4: 1,551,629 km (0.051 R)
• M5: 1,967,362 km (0.099 R)
• M6: 2,411,368 km (0.108 R)
• M7: 2,856,422 km (0.1 R)
• M8: 3,817,139 km (0.09 R)
• M9: 5,563,395 km (0.065 R)
• M10: 6,910,674 km (0.109 R)
• M11: 7,379,813 km (0.092 R)
• M12: 7,791,207 km (0.105 R)
• M13: 8,218,009 km (0.092 R)
• M14: 8,916,332 km (0.11 R)
• M15: 9,744,805 km (0.087 R)
• M16: 10,209,456 km (0.105 R)
• M17: 11,216,699 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.3

Radius: 13

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.57 AU - 1.75 AU

Year: 1476 Days

Day: 12.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,087,843 km

• M1: 162,164 km (0.058 R)
• M2: 574,905 km (0.067 R)
• M3: 1,095,206 km (0.038 R)
• M4: 1,587,233 km (0.092 R)
• M5: 2,804,960 km (0.112 R)
• M6: 3,426,390 km (0.085 R)
• M7: 4,538,201 km (0.108 R)
• M8: 5,269,136 km (0.108 R)
• M9: 6,240,326 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.7

Radius: 14.9

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.63 AU - 4.07 AU

Year: 4232 Days

Day: 11.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,087,843 km

• M1: 216,468 km (0.1 R)
• M2: 842,386 km (0.071 R)
• M3: 1,320,800 km (0.065 R)
• M4: 2,618,262 km (0.097 R)
• M5: 3,314,042 km (0.108 R)
• M6: 6,850,535 km (0.083 R)
• M7: 7,380,112 km (0.045 R)
• M8: 8,088,308 km (0.084 R)
• M9: 9,778,914 km (0.094 R)
• M10: 10,855,869 km (0.056 R)
• M11: 13,459,620 km (0.102 R)
• M12: 14,159,738 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.5

Radius: 4.2

Gravity: 20.15 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.67 AU - 6.71 AU

Year: 10630 Days

Day: 19.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,087,843 km

• M1: 52,359 km (0.109 R)
• M2: 216,319 km (0.11 R)
• M3: 382,522 km (0.084 R)
• M4: 678,277 km (0.087 R)
• M5: 832,213 km (0.116 R)
• M6: 1,039,705 km (0.095 R)
• M7: 2,032,885 km (0.091 R)
• M8: 3,085,007 km (0.09 R)
• M9: 3,465,584 km (0.108 R)
• M10: 9,555,863 km (0.087 R)
• M11: 13,678,631 km (0.094 R)
• M12: 18,994,292 km (0.066 R)
• M13: 22,226,354 km (0.105 R)
• M14: 23,296,428 km (0.115 R)
• M15: 27,451,808 km (0.03 R)
• M16: 30,447,056 km (0.038 R)
• M17: 37,650,194 km (0.071 R)
• M18: 38,696,631 km (0.079 R)
• M19: 39,167,864 km (0.1 R)
• M20: 40,001,723 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.8

Radius: 3.8

Gravity: 50.33 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.39 AU - 6.49 AU

Year: 11281 Days

Day: 24.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 87,087,843 km

• M1: 64,626 km (0.1 R)
• M2: 211,980 km (0.066 R)
• M3: 433,684 km (0.03 R)
• M4: 588,069 km (0.106 R)
• M5: 734,226 km (0.081 R)
• M6: 1,066,184 km (0.114 R)
• M7: 1,419,983 km (0.043 R)
• M8: 2,663,740 km (0.085 R)
• M9: 3,044,466 km (0.085 R)
• M10: 3,260,186 km (0.079 R)
• M11: 4,743,150 km (0.067 R)
• M12: 5,099,193 km (0.07 R)
• M13: 6,085,941 km (0.066 R)
• M14: 6,663,688 km (0.045 R)
• M15: 7,927,490 km (0.111 R)
• M16: 11,309,749 km (0.083 R)
• M17: 11,710,671 km (0.097 R)
• M18: 12,120,868 km (0.084 R)
• M19: 13,094,451 km (0.066 R)
• M20: 14,383,237 km (0.115 R)
• M21: 15,264,817 km (0.056 R)
• M22: 15,824,912 km (0.065 R)
• M23: 16,544,178 km (0.071 R)
• M24: 16,986,090 km (0.113 R)
• M25: 17,284,987 km (0.066 R)
• M26: 18,280,710 km (0.067 R)
• M27: 21,150,446 km (0.077 R)
• M28: 21,322,933 km (0.037 R)
• M29: 22,736,932 km (0.113 R)
• M30: 24,401,058 km (0.103 R)
• M31: 27,556,676 km (0.103 R)
• M32: 30,312,717 km (0.033 R)
• M33: 30,752,535 km (0.041 R)
• M34: 31,644,587 km (0.028 R)
• M35: 34,543,495 km (0.099 R)
• M36: 37,994,718 km (0.116 R)
• M37: 40,198,444 km (0.098 R)
• M38: 40,862,509 km (0.075 R)
• M39: 45,000,835 km (0.103 R)
• M40: 50,171,535 km (0.068 R)
• M41: 51,251,183 km (0.114 R)
• M42: 52,503,766 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.1

Radius: 7.2

Gravity: 14.6 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.22 AU - 9.34 AU

Year: 16446 Days

Day: 17.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,087,843 km

• M1: 89,609 km (0.04 R)
• M2: 361,578 km (0.062 R)
• M3: 657,931 km (0.113 R)
• M4: 1,019,210 km (0.091 R)
• M5: 1,603,390 km (0.114 R)
• M6: 4,024,781 km (0.108 R)
• M7: 4,807,627 km (0.109 R)
• M8: 5,572,371 km (0.093 R)
• M9: 6,331,730 km (0.048 R)
• M10: 6,801,766 km (0.103 R)
• M11: 7,715,959 km (0.108 R)
• M12: 8,453,476 km (0.109 R)
• M13: 9,453,987 km (0.116 R)
• M14: 10,125,382 km (0.095 R)
• M15: 11,191,267 km (0.05 R)
• M16: 14,688,865 km (0.105 R)
• M17: 20,460,800 km (0.075 R)
• M18: 30,721,120 km (0.095 R)
• M19: 32,313,589 km (0.116 R)
• M20: 34,478,120 km (0.113 R)
• M21: 36,331,788 km (0.12 R)
• M22: 36,873,482 km (0.088 R)
• M23: 37,146,198 km (0.071 R)
• M24: 39,805,450 km (0.116 R)
• M25: 40,236,741 km (0.111 R)
• M26: 41,108,298 km (0.085 R)
• M27: 41,696,517 km (0.112 R)
• M28: 44,258,530 km (0.099 R)
• M29: 44,721,236 km (0.066 R)
• M30: 47,083,686 km (0.035 R)
• M31: 50,697,073 km (0.106 R)
• M32: 64,202,320 km (0.073 R)
• M33: 64,597,258 km (0.066 R)
• M34: 66,394,677 km (0.102 R)
• M35: 67,407,454 km (0.088 R)
• M36: 68,225,007 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.1

Radius: 7.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.5 AU - 8.56 AU

Year: 17196 Days

Day: 24.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 61.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,087,843 km

• M1: 99,333 km (0.096 R)
• M2: 390,899 km (0.086 R)
• M3: 1,091,466 km (0.083 R)
• M4: 1,435,092 km (0.119 R)
• M5: 1,948,811 km (0.085 R)
• M6: 2,965,179 km (0.071 R)
• M7: 4,043,182 km (0.101 R)
• M8: 4,686,452 km (0.079 R)
• M9: 4,936,730 km (0.065 R)
• M10: 5,919,737 km (0.082 R)
• M11: 6,670,120 km (0.096 R)
• M12: 7,652,230 km (0.117 R)
• M13: 8,178,067 km (0.111 R)
• M14: 8,727,839 km (0.101 R)
• M15: 10,003,011 km (0.099 R)
• M16: 11,398,161 km (0.102 R)
• M17: 12,797,051 km (0.091 R)
• M18: 14,111,866 km (0.027 R)
• M19: 16,861,475 km (0.09 R)
• M20: 17,228,588 km (0.05 R)
• M21: 20,359,821 km (0.057 R)
• M22: 23,213,251 km (0.075 R)
• M23: 23,576,325 km (0.109 R)
• M24: 24,782,533 km (0.041 R)
• M25: 27,620,554 km (0.118 R)
• M26: 30,342,936 km (0.089 R)
• M27: 34,754,278 km (0.111 R)
• M28: 36,558,877 km (0.062 R)
• M29: 37,050,456 km (0.066 R)
• M30: 37,921,415 km (0.106 R)
• M31: 39,189,107 km (0.066 R)
• M32: 44,682,939 km (0.113 R)
• M33: 49,461,095 km (0.118 R)
• M34: 49,911,684 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.8

Radius: 3.6

Gravity: 60.71 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 8.96 AU - 11.66 AU

Year: 22851 Days

Day: 21.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,087,843 km

• M1: 45,627 km (0.102 R)
• M2: 273,465 km (0.067 R)
• M3: 457,470 km (0.073 R)
• M4: 751,580 km (0.103 R)
• M5: 1,309,281 km (0.106 R)
• M6: 1,610,271 km (0.105 R)
• M7: 1,739,075 km (0.093 R)
• M8: 2,038,570 km (0.113 R)
• M9: 2,167,673 km (0.101 R)
• M10: 3,435,814 km (0.112 R)
• M11: 3,650,188 km (0.065 R)
• M12: 4,935,084 km (0.095 R)
• M13: 6,132,017 km (0.099 R)
• M14: 6,266,056 km (0.103 R)
• M15: 7,408,984 km (0.077 R)
• M16: 8,082,773 km (0.118 R)
• M17: 8,352,498 km (0.074 R)
• M18: 9,314,562 km (0.117 R)
• M19: 10,160,388 km (0.075 R)
• M20: 10,285,302 km (0.034 R)
• M21: 11,254,846 km (0.031 R)
• M22: 12,640,122 km (0.119 R)
• M23: 17,381,777 km (0.098 R)
• M24: 21,397,731 km (0.085 R)
• M25: 23,948,974 km (0.06 R)
• M26: 26,695,740 km (0.078 R)
• M27: 29,772,819 km (0.096 R)
• M28: 38,557,056 km (0.052 R)
• M29: 39,473,941 km (0.108 R)
• M30: 45,451,723 km (0.101 R)
• M31: 47,862,193 km (0.083 R)
• M32: 49,277,090 km (0.08 R)
• M33: 53,878,272 km (0.047 R)
• M34: 55,990,444 km (0.102 R)
• M35: 58,157,070 km (0.102 R)
• M36: 64,348,926 km (0.118 R)
• M37: 69,383,044 km (0.111 R)
• M38: 74,437,956 km (0.118 R)
• M39: 74,909,189 km (0.092 R)
• M40: 78,751,760 km (0.096 R)
• M41: 83,991,725 km (0.083 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: 441 - 12,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit