🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526

Radius: 10

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.55 AU - 0.57 AU

Year: 279 Days

Day: 13.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 96,453,856 km

• M1: 124,615 km (0.072 R)
• M2: 442,361 km (0.068 R)
• M3: 846,126 km (0.048 R)
• M4: 1,210,247 km (0.082 R)
• M5: 2,237,386 km (0.068 R)
• M6: 2,564,407 km (0.111 R)
• M7: 3,155,169 km (0.105 R)
• M8: 3,601,419 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.3

Radius: 12.5

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.72 AU - 0.82 AU

Year: 451 Days

Day: 11.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 96,453,856 km

• M1: 155,432 km (0.118 R)
• M2: 636,689 km (0.104 R)
• M3: 1,053,468 km (0.055 R)
• M4: 1,530,835 km (0.111 R)
• M5: 2,002,517 km (0.107 R)
• M6: 2,809,747 km (0.095 R)
• M7: 3,351,142 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 12.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.95 AU - 1.15 AU

Year: 717 Days

Day: 13.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 96,453,856 km

• M1: 157,078 km (0.102 R)
• M2: 594,652 km (0.066 R)
• M3: 1,131,558 km (0.109 R)
• M4: 1,599,201 km (0.045 R)
• M5: 2,272,541 km (0.078 R)
• M6: 3,055,985 km (0.111 R)
• M7: 3,842,421 km (0.068 R)
• M8: 4,663,265 km (0.106 R)
• M9: 5,056,558 km (0.062 R)
• M10: 5,761,762 km (0.082 R)
• M11: 7,346,901 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.1

Radius: 10.2

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.26 AU - 1.3 AU

Year: 966 Days

Day: 8 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 96,453,856 km

• M1: 127,158 km (0.106 R)
• M2: 488,437 km (0.052 R)
• M3: 914,342 km (0.074 R)
• M4: 1,237,474 km (0.12 R)
• M5: 1,791,435 km (0.06 R)
• M6: 2,168,870 km (0.116 R)
• M7: 2,527,755 km (0.118 R)
• M8: 2,952,763 km (0.097 R)
• M9: 3,454,514 km (0.091 R)
• M10: 3,772,858 km (0.06 R)
• M11: 4,399,524 km (0.112 R)
• M12: 4,830,066 km (0.113 R)
• M13: 5,387,618 km (0.102 R)
• M14: 5,966,412 km (0.102 R)
• M15: 6,494,941 km (0.105 R)
• M16: 7,445,037 km (0.083 R)
• M17: 8,404,109 km (0.091 R)
• M18: 8,955,826 km (0.082 R)
• M19: 10,223,668 km (0.112 R)
• M20: 10,692,957 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.3

Radius: 14.1

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.91 AU - 2.53 AU

Year: 2206 Days

Day: 11.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,453,856 km

• M1: 175,628 km (0.112 R)
• M2: 689,197 km (0.033 R)
• M3: 1,255,725 km (0.112 R)
• M4: 1,787,994 km (0.11 R)
• M5: 2,272,392 km (0.114 R)
• M6: 2,890,979 km (0.087 R)
• M7: 3,674,572 km (0.072 R)
• M8: 4,387,855 km (0.038 R)
• M9: 5,055,211 km (0.119 R)
• M10: 6,981,583 km (0.096 R)
• M11: 7,893,831 km (0.095 R)
• M12: 8,751,775 km (0.078 R)
• M13: 10,578,963 km (0.112 R)
• M14: 11,582,615 km (0.043 R)
• M15: 12,231,272 km (0.053 R)
• M16: 12,775,957 km (0.081 R)
• M17: 13,249,584 km (0.039 R)
• M18: 13,959,277 km (0.099 R)
• M19: 14,554,526 km (0.087 R)
• M20: 15,071,387 km (0.104 R)
• M21: 16,696,020 km (0.098 R)
• M22: 18,002,458 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 14.1

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.28 AU - 3.64 AU

Year: 3396 Days

Day: 12.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 96,453,856 km

• M1: 175,478 km (0.119 R)
• M2: 799,301 km (0.119 R)
• M3: 1,318,705 km (0.087 R)
• M4: 1,929,065 km (0.032 R)
• M5: 2,555,730 km (0.106 R)
• M6: 4,354,046 km (0.046 R)
• M7: 4,830,515 km (0.117 R)
• M8: 6,474,297 km (0.113 R)
• M9: 7,128,488 km (0.112 R)
• M10: 7,761,287 km (0.119 R)
• M11: 8,500,301 km (0.082 R)
• M12: 11,979,349 km (0.089 R)
• M13: 14,352,420 km (0.119 R)
• M14: 16,913,236 km (0.12 R)
• M15: 18,214,738 km (0.115 R)
• M16: 18,741,771 km (0.053 R)
• M17: 21,337,593 km (0.113 R)
• M18: 21,923,568 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.5

Radius: 8.1

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.85 AU - 3.65 AU

Year: 3907 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 96,453,856 km

• M1: 100,679 km (0.105 R)
• M2: 361,428 km (0.094 R)
• M3: 652,247 km (0.098 R)
• M4: 1,031,328 km (0.103 R)
• M5: 1,838,558 km (0.1 R)
• M6: 2,654,315 km (0.109 R)
• M7: 3,117,620 km (0.114 R)
• M8: 3,480,694 km (0.12 R)
• M9: 3,791,408 km (0.097 R)
• M10: 4,120,524 km (0.059 R)
• M11: 5,051,770 km (0.057 R)
• M12: 6,034,180 km (0.099 R)
• M13: 6,925,633 km (0.085 R)
• M14: 7,324,611 km (0.037 R)
• M15: 7,641,908 km (0.073 R)
• M16: 8,440,910 km (0.089 R)
• M17: 10,204,370 km (0.113 R)
• M18: 11,593,237 km (0.107 R)
• M19: 15,044,310 km (0.104 R)
• M20: 15,871,436 km (0.091 R)
• M21: 17,672,595 km (0.095 R)
• M22: 18,710,505 km (0.04 R)
• M23: 20,655,128 km (0.118 R)
• M24: 21,034,209 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.4

Radius: 6.5

Gravity: 16.89 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.07 AU - 7.55 AU

Year: 13180 Days

Day: 22 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 96,453,856 km

• M1: 82,279 km (0.069 R)
• M2: 297,999 km (0.066 R)
• M3: 506,688 km (0.108 R)
• M4: 727,644 km (0.069 R)
• M5: 1,203,515 km (0.087 R)
• M6: 1,445,265 km (0.1 R)
• M7: 2,313,082 km (0.07 R)
• M8: 2,756,939 km (0.035 R)
• M9: 3,409,186 km (0.103 R)
• M10: 3,702,697 km (0.086 R)
• M11: 4,464,000 km (0.093 R)
• M12: 6,530,994 km (0.043 R)
• M13: 8,234,465 km (0.076 R)
• M14: 9,163,169 km (0.082 R)
• M15: 9,784,598 km (0.065 R)
• M16: 11,877,622 km (0.036 R)
• M17: 12,181,605 km (0.045 R)
• M18: 15,227,268 km (0.116 R)
• M19: 16,545,824 km (0.112 R)
• M20: 19,074,776 km (0.082 R)
• M21: 19,745,124 km (0.106 R)
• M22: 26,397,741 km (0.116 R)
• M23: 28,294,492 km (0.109 R)
• M24: 29,497,259 km (0.11 R)
• M25: 35,270,840 km (0.056 R)
• M26: 39,556,819 km (0.083 R)
• M27: 39,962,827 km (0.108 R)
• M28: 40,921,151 km (0.077 R)
• M29: 46,692,487 km (0.086 R)
• M30: 51,040,101 km (0.067 R)
• M31: 52,330,233 km (0.082 R)
• M32: 54,975,273 km (0.103 R)
• M33: 56,672,909 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.6

Radius: 5.6

Gravity: 21.93 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.23 AU - 8.43 AU

Year: 14611 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 96,453,856 km

• M1: 69,713 km (0.072 R)
• M2: 269,725 km (0.1 R)
• M3: 479,760 km (0.117 R)
• M4: 791,672 km (0.106 R)
• M5: 1,311,824 km (0.101 R)
• M6: 1,622,239 km (0.116 R)
• M7: 1,980,676 km (0.096 R)
• M8: 3,990,673 km (0.096 R)
• M9: 4,741,505 km (0.058 R)
• M10: 5,046,086 km (0.088 R)
• M11: 5,399,735 km (0.116 R)
• M12: 5,694,443 km (0.117 R)
• M13: 6,275,930 km (0.078 R)
• M14: 6,769,004 km (0.1 R)
• M15: 11,561,223 km (0.118 R)
• M16: 13,469,343 km (0.103 R)
• M17: 14,497,978 km (0.031 R)
• M18: 16,250,966 km (0.112 R)
• M19: 16,865,365 km (0.083 R)
• M20: 21,883,476 km (0.109 R)
• M21: 24,181,299 km (0.065 R)
• M22: 29,137,476 km (0.113 R)
• M23: 29,815,155 km (0.102 R)
• M24: 30,967,956 km (0.046 R)
• M25: 36,655,368 km (0.101 R)
• M26: 37,444,945 km (0.12 R)
• M27: 39,468,406 km (0.112 R)
• M28: 41,138,816 km (0.105 R)
• M29: 43,292,427 km (0.049 R)
• M30: 53,495,600 km (0.12 R)
• M31: 59,420,274 km (0.119 R)
• M32: 60,509,197 km (0.108 R)
• M33: 61,058,670 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943

Radius: 5.4

Gravity: 32.34 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 10.74 AU - 11.26 AU

Year: 24329 Days

Day: 20.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 96,453,856 km

• M1: 67,319 km (0.115 R)
• M2: 343,178 km (0.081 R)
• M3: 532,419 km (0.116 R)
• M4: 707,598 km (0.11 R)
• M5: 934,538 km (0.113 R)
• M6: 2,115,763 km (0.088 R)
• M7: 3,166,688 km (0.081 R)
• M8: 3,468,427 km (0.091 R)
• M9: 4,489,582 km (0.103 R)
• M10: 5,524,799 km (0.076 R)
• M11: 6,143,835 km (0.084 R)
• M12: 9,449,050 km (0.106 R)
• M13: 10,331,977 km (0.086 R)
• M14: 11,063,361 km (0.088 R)
• M15: 12,853,000 km (0.07 R)
• M16: 13,698,228 km (0.082 R)
• M17: 14,255,032 km (0.113 R)
• M18: 15,328,995 km (0.064 R)
• M19: 15,929,181 km (0.074 R)
• M20: 16,994,169 km (0.058 R)
• M21: 17,730,040 km (0.107 R)
• M22: 19,363,948 km (0.091 R)
• M23: 25,931,145 km (0.048 R)
• M24: 28,669,086 km (0.11 R)
• M25: 34,274,368 km (0.026 R)
• M26: 40,083,104 km (0.092 R)
• M27: 42,545,784 km (0.042 R)
• M28: 43,558,562 km (0.027 R)
• M29: 44,070,934 km (0.072 R)
• M30: 45,983,842 km (0.107 R)
• M31: 47,951,353 km (0.045 R)
• M32: 51,101,585 km (0.057 R)
• M33: 55,179,773 km (0.097 R)
• M34: 62,450,080 km (0.087 R)
• M35: 74,147,586 km (0.106 R)
• M36: 77,346,587 km (0.05 R)
• M37: 84,018,353 km (0.109 R)
• M38: 89,129,514 km (0.112 R)
• M39: 93,307,932 km (0.097 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 18,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit