🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.7

Radius: 15

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.81 AU - 0.83 AU

Year: 522 Days

Day: 12.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,173,644 km

• M1: 187,745 km (0.06 R)
• M2: 843,732 km (0.118 R)
• M3: 1,457,382 km (0.114 R)
• M4: 1,957,937 km (0.109 R)
• M5: 2,683,636 km (0.085 R)
• M6: 3,229,220 km (0.111 R)
• M7: 4,694,381 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 12.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.89 AU - 0.95 AU

Year: 620 Days

Day: 6.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,173,644 km

• M1: 159,322 km (0.083 R)
• M2: 752,178 km (0.108 R)
• M3: 1,157,140 km (0.117 R)
• M4: 2,164,831 km (0.077 R)
• M5: 2,685,282 km (0.116 R)
• M6: 3,288,909 km (0.093 R)
• M7: 3,703,295 km (0.074 R)
• M8: 4,260,547 km (0.086 R)
• M9: 5,178,031 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.6

Radius: 11

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.01 AU - 1.17 AU

Year: 800 Days

Day: 6.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,173,644 km

• M1: 137,780 km (0.032 R)
• M2: 532,568 km (0.088 R)
• M3: 1,222,963 km (0.071 R)
• M4: 2,026,303 km (0.062 R)
• M5: 2,424,383 km (0.117 R)
• M6: 3,690,280 km (0.12 R)
• M7: 4,686,004 km (0.096 R)
• M8: 5,159,182 km (0.119 R)
• M9: 6,044,801 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.6

Radius: 12.5

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.94 AU - 2.06 AU

Year: 1988 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,173,644 km

• M1: 155,432 km (0.057 R)
• M2: 596,896 km (0.1 R)
• M3: 1,057,059 km (0.118 R)
• M4: 2,024,508 km (0.113 R)
• M5: 2,413,612 km (0.106 R)
• M6: 3,346,654 km (0.103 R)
• M7: 4,019,994 km (0.11 R)
• M8: 4,540,445 km (0.094 R)
• M9: 5,254,176 km (0.092 R)
• M10: 6,292,386 km (0.087 R)
• M11: 8,175,673 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.6

Radius: 10.3

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.52 AU - 3.18 AU

Year: 3382 Days

Day: 12.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,173,644 km

• M1: 128,056 km (0.067 R)
• M2: 470,934 km (0.05 R)
• M3: 893,698 km (0.078 R)
• M4: 1,482,664 km (0.106 R)
• M5: 2,315,625 km (0.11 R)
• M6: 2,654,764 km (0.044 R)
• M7: 3,189,726 km (0.106 R)
• M8: 4,784,439 km (0.103 R)
• M9: 6,079,059 km (0.085 R)
• M10: 6,854,425 km (0.103 R)
• M11: 7,931,679 km (0.118 R)
• M12: 9,043,341 km (0.044 R)
• M13: 9,423,170 km (0.116 R)
• M14: 12,715,370 km (0.099 R)
• M15: 14,031,682 km (0.089 R)
• M16: 14,438,588 km (0.078 R)
• M17: 18,042,850 km (0.09 R)
• M18: 18,645,879 km (0.109 R)
• M19: 19,575,779 km (0.113 R)
• M20: 20,020,234 km (0.052 R)
• M21: 20,666,647 km (0.119 R)
• M22: 21,595,051 km (0.047 R)
• M23: 22,969,257 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.2

Radius: 10.6

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.9 AU - 3.96 AU

Year: 5476 Days

Day: 11.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,173,644 km

• M1: 131,796 km (0.1 R)
• M2: 464,651 km (0.116 R)
• M3: 1,154,297 km (0.116 R)
• M4: 1,987,408 km (0.103 R)
• M5: 3,022,775 km (0.048 R)
• M6: 4,385,462 km (0.108 R)
• M7: 5,626,825 km (0.047 R)
• M8: 5,994,387 km (0.078 R)
• M9: 6,778,130 km (0.099 R)
• M10: 8,390,346 km (0.081 R)
• M11: 9,413,147 km (0.084 R)
• M12: 9,888,569 km (0.113 R)
• M13: 12,103,365 km (0.045 R)
• M14: 12,562,481 km (0.028 R)
• M15: 12,927,650 km (0.057 R)
• M16: 13,569,873 km (0.119 R)
• M17: 17,554,562 km (0.036 R)
• M18: 20,201,248 km (0.078 R)
• M19: 21,880,933 km (0.087 R)
• M20: 27,302,659 km (0.067 R)
• M21: 28,449,326 km (0.065 R)
• M22: 32,276,189 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.2

Radius: 9.5

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.25 AU - 5.11 AU

Year: 7117 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,173,644 km

• M1: 118,182 km (0.092 R)
• M2: 546,481 km (0.062 R)
• M3: 1,518,867 km (0.07 R)
• M4: 1,965,716 km (0.114 R)
• M5: 2,305,154 km (0.081 R)
• M6: 2,819,321 km (0.034 R)
• M7: 4,774,566 km (0.086 R)
• M8: 5,486,652 km (0.057 R)
• M9: 6,509,452 km (0.088 R)
• M10: 8,885,216 km (0.051 R)
• M11: 9,234,826 km (0.099 R)
• M12: 10,530,942 km (0.103 R)
• M13: 11,323,960 km (0.118 R)
• M14: 11,735,055 km (0.119 R)
• M15: 13,140,677 km (0.026 R)
• M16: 13,884,178 km (0.07 R)
• M17: 14,474,791 km (0.053 R)
• M18: 15,961,046 km (0.099 R)
• M19: 19,161,692 km (0.059 R)
• M20: 20,042,824 km (0.075 R)
• M21: 20,417,865 km (0.101 R)
• M22: 23,257,532 km (0.104 R)
• M23: 24,090,792 km (0.098 R)
• M24: 26,350,319 km (0.102 R)
• M25: 26,710,101 km (0.09 R)
• M26: 27,164,430 km (0.031 R)
• M27: 28,842,619 km (0.064 R)
• M28: 29,224,842 km (0.064 R)
• M29: 31,589,086 km (0.08 R)
• M30: 33,865,667 km (0.102 R)
• M31: 34,720,020 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85

Radius: 5.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.13 AU - 8.49 AU

Year: 16839 Days

Day: 18.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,173,644 km

• M1: 63,729 km (0.055 R)
• M2: 244,443 km (0.086 R)
• M3: 443,109 km (0.105 R)
• M4: 657,034 km (0.109 R)
• M5: 878,738 km (0.068 R)
• M6: 1,536,520 km (0.047 R)
• M7: 2,824,408 km (0.108 R)
• M8: 4,061,433 km (0.104 R)
• M9: 4,676,878 km (0.119 R)
• M10: 5,837,459 km (0.074 R)
• M11: 6,187,667 km (0.109 R)
• M12: 6,484,469 km (0.053 R)
• M13: 6,860,110 km (0.074 R)
• M14: 7,617,224 km (0.093 R)
• M15: 8,152,037 km (0.092 R)
• M16: 9,211,190 km (0.099 R)
• M17: 11,598,772 km (0.1 R)
• M18: 12,305,921 km (0.084 R)
• M19: 12,934,531 km (0.052 R)
• M20: 13,529,332 km (0.051 R)
• M21: 15,603,507 km (0.113 R)
• M22: 21,100,032 km (0.081 R)
• M23: 21,322,484 km (0.118 R)
• M24: 21,923,418 km (0.034 R)
• M25: 22,923,929 km (0.099 R)
• M26: 25,015,457 km (0.097 R)
• M27: 26,278,362 km (0.119 R)
• M28: 33,134,582 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327

Radius: 5.7

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.57 AU - 10.81 AU

Year: 18007 Days

Day: 23.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,173,644 km

• M1: 71,209 km (0.109 R)
• M2: 520,601 km (0.09 R)
• M3: 710,141 km (0.119 R)
• M4: 1,449,603 km (0.095 R)
• M5: 1,989,502 km (0.061 R)
• M6: 4,788,029 km (0.064 R)
• M7: 5,856,906 km (0.108 R)
• M8: 8,129,896 km (0.097 R)
• M9: 16,950,636 km (0.086 R)
• M10: 23,997,892 km (0.067 R)
• M11: 24,959,956 km (0.105 R)
• M12: 33,719,958 km (0.111 R)
• M13: 35,170,459 km (0.08 R)
• M14: 40,305,706 km (0.115 R)
• M15: 42,910,952 km (0.09 R)
• M16: 54,456,168 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.4

Radius: 5.2

Gravity: 30.38 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.38 AU - 10.26 AU

Year: 21631 Days

Day: 23.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,173,644 km

• M1: 64,925 km (0.096 R)
• M2: 260,450 km (0.063 R)
• M3: 686,056 km (0.049 R)
• M4: 1,362,837 km (0.082 R)
• M5: 2,034,830 km (0.113 R)
• M6: 2,408,825 km (0.098 R)
• M7: 4,271,618 km (0.097 R)
• M8: 4,661,470 km (0.091 R)
• M9: 6,690,765 km (0.063 R)
• M10: 7,070,295 km (0.105 R)
• M11: 7,924,050 km (0.085 R)
• M12: 9,071,166 km (0.12 R)
• M13: 10,450,010 km (0.091 R)
• M14: 11,156,411 km (0.119 R)
• M15: 13,766,295 km (0.087 R)
• M16: 14,772,191 km (0.112 R)
• M17: 17,279,003 km (0.063 R)
• M18: 18,818,365 km (0.067 R)
• M19: 19,287,953 km (0.09 R)
• M20: 19,861,660 km (0.114 R)
• M21: 28,023,720 km (0.116 R)
• M22: 28,389,936 km (0.113 R)
• M23: 28,636,024 km (0.12 R)
• M24: 29,887,111 km (0.045 R)
• M25: 30,141,577 km (0.109 R)
• M26: 30,397,539 km (0.113 R)
• M27: 33,446,344 km (0.106 R)
• M28: 34,833,266 km (0.103 R)
• M29: 36,838,625 km (0.086 R)
• M30: 46,648,506 km (0.109 R)
• M31: 47,507,945 km (0.097 R)
• M32: 47,681,180 km (0.082 R)
• M33: 60,469,255 km (0.099 R)
• M34: 62,523,682 km (0.097 R)
• M35: 70,980,599 km (0.119 R)
• M36: 77,981,780 km (0.067 R)
• M37: 78,706,282 km (0.15 R)
• M38: 82,146,285 km (0.192 R)
• M39: 83,903,312 km (0.061 R)
• M40: 84,918,633 km (0.091 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 11,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit