🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.4

Radius: 9.5

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.47 AU - 0.59 AU

Year: 266 Days

Day: 13.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,492,805 km

• M1: 118,182 km (0.051 R)
• M2: 522,246 km (0.039 R)
• M3: 1,036,713 km (0.039 R)
• M4: 1,493,436 km (0.099 R)
• M5: 2,194,002 km (0.071 R)
• M6: 2,797,480 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.5

Radius: 10.9

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.8 AU - 0.88 AU

Year: 531 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,492,805 km

• M1: 138,079 km (0.118 R)
• M2: 529,128 km (0.103 R)
• M3: 902,374 km (0.069 R)
• M4: 1,373,009 km (0.083 R)
• M5: 1,757,027 km (0.113 R)
• M6: 2,144,485 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.1

Radius: 9.9

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.14 AU - 1.9 AU

Year: 1294 Days

Day: 5.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,492,805 km

• M1: 123,119 km (0.102 R)
• M2: 446,998 km (0.06 R)
• M3: 934,687 km (0.084 R)
• M4: 1,249,890 km (0.035 R)
• M5: 1,573,770 km (0.102 R)
• M6: 1,933,253 km (0.071 R)
• M7: 2,323,853 km (0.11 R)
• M8: 2,674,062 km (0.105 R)
• M9: 3,434,917 km (0.039 R)
• M10: 3,874,884 km (0.067 R)
• M11: 4,711,286 km (0.086 R)
• M12: 5,213,935 km (0.112 R)
• M13: 5,641,485 km (0.111 R)
• M14: 5,954,743 km (0.079 R)
• M15: 6,494,492 km (0.114 R)
• M16: 6,964,678 km (0.11 R)
• M17: 7,457,603 km (0.09 R)
• M18: 8,542,188 km (0.113 R)
• M19: 9,507,992 km (0.105 R)
• M20: 10,987,365 km (0.09 R)
• M21: 11,335,928 km (0.081 R)
• M22: 12,276,899 km (0.034 R)
• M23: 12,996,764 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.3

Radius: 10.7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.52 AU - 1.94 AU

Year: 1571 Days

Day: 11.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,492,805 km

• M1: 133,292 km (0.072 R)
• M2: 797,656 km (0.116 R)
• M3: 1,134,251 km (0.109 R)
• M4: 1,471,594 km (0.111 R)
• M5: 2,369,929 km (0.103 R)
• M6: 2,808,401 km (0.099 R)
• M7: 3,377,920 km (0.11 R)
• M8: 4,058,141 km (0.111 R)
• M9: 5,008,686 km (0.119 R)
• M10: 5,962,522 km (0.093 R)
• M11: 6,410,119 km (0.057 R)
• M12: 7,188,626 km (0.119 R)
• M13: 8,575,848 km (0.077 R)
• M14: 9,147,162 km (0.104 R)
• M15: 10,332,575 km (0.056 R)
• M16: 11,438,104 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.4

Radius: 13.9

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.8 AU - 2.68 AU

Year: 2314 Days

Day: 7.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,492,805 km

• M1: 172,935 km (0.1 R)
• M2: 637,885 km (0.119 R)
• M3: 2,002,367 km (0.031 R)
• M4: 2,890,380 km (0.079 R)
• M5: 3,943,101 km (0.055 R)
• M6: 4,540,295 km (0.119 R)
• M7: 5,037,110 km (0.05 R)
• M8: 5,634,155 km (0.081 R)
• M9: 6,774,988 km (0.108 R)
• M10: 8,037,146 km (0.113 R)
• M11: 8,913,340 km (0.09 R)
• M12: 9,696,485 km (0.116 R)
• M13: 10,394,658 km (0.066 R)
• M14: 11,962,893 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.6

Radius: 9.3

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.94 AU - 2.92 AU

Year: 2615 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,492,805 km

• M1: 115,639 km (0.115 R)
• M2: 431,590 km (0.089 R)
• M3: 744,249 km (0.059 R)
• M4: 1,100,741 km (0.081 R)
• M5: 1,490,892 km (0.085 R)
• M6: 1,797,418 km (0.114 R)
• M7: 2,172,011 km (0.1 R)
• M8: 2,511,898 km (0.039 R)
• M9: 2,903,096 km (0.116 R)
• M10: 3,248,368 km (0.066 R)
• M11: 3,963,147 km (0.119 R)
• M12: 4,264,587 km (0.116 R)
• M13: 4,846,223 km (0.112 R)
• M14: 5,358,446 km (0.1 R)
• M15: 7,114,276 km (0.085 R)
• M16: 7,745,579 km (0.115 R)
• M17: 8,812,661 km (0.102 R)
• M18: 9,363,929 km (0.1 R)
• M19: 10,421,586 km (0.104 R)
• M20: 10,804,257 km (0.115 R)
• M21: 13,933,695 km (0.08 R)
• M22: 15,066,301 km (0.07 R)
• M23: 15,555,935 km (0.079 R)
• M24: 16,056,190 km (0.101 R)
• M25: 16,361,370 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.5

Radius: 10.1

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.31 AU - 2.59 AU

Year: 2647 Days

Day: 10.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,492,805 km

• M1: 125,662 km (0.057 R)
• M2: 494,122 km (0.05 R)
• M3: 958,324 km (0.107 R)
• M4: 1,313,320 km (0.107 R)
• M5: 1,705,416 km (0.105 R)
• M6: 2,337,916 km (0.041 R)
• M7: 2,935,858 km (0.114 R)
• M8: 3,361,464 km (0.097 R)
• M9: 3,864,263 km (0.058 R)
• M10: 5,152,450 km (0.087 R)
• M11: 5,492,037 km (0.116 R)
• M12: 6,066,493 km (0.115 R)
• M13: 6,445,574 km (0.093 R)
• M14: 7,420,503 km (0.049 R)
• M15: 8,003,037 km (0.096 R)
• M16: 8,678,771 km (0.065 R)
• M17: 10,320,308 km (0.102 R)
• M18: 11,651,729 km (0.115 R)
• M19: 12,001,788 km (0.12 R)
• M20: 15,852,138 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.1

Radius: 12.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.86 AU - 3.88 AU

Year: 4270 Days

Day: 12.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,492,805 km

• M1: 160,369 km (0.103 R)
• M2: 1,119,441 km (0.069 R)
• M3: 1,959,134 km (0.095 R)
• M4: 2,755,892 km (0.056 R)
• M5: 3,331,395 km (0.081 R)
• M6: 4,845,176 km (0.105 R)
• M7: 5,634,454 km (0.06 R)
• M8: 6,686,726 km (0.055 R)
• M9: 9,790,283 km (0.088 R)
• M10: 10,757,882 km (0.082 R)
• M11: 11,437,804 km (0.114 R)
• M12: 11,877,024 km (0.105 R)
• M13: 13,699,425 km (0.114 R)
• M14: 16,135,178 km (0.118 R)
• M15: 20,088,152 km (0.097 R)
• M16: 22,390,313 km (0.118 R)
• M17: 23,288,649 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.3

Radius: 4.2

Gravity: 42.59 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.82 AU - 7.88 AU

Year: 12375 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,492,805 km

• M1: 52,509 km (0.096 R)
• M2: 222,153 km (0.034 R)
• M3: 362,625 km (0.075 R)
• M4: 1,148,014 km (0.06 R)
• M5: 1,370,017 km (0.106 R)
• M6: 1,558,660 km (0.107 R)
• M7: 1,748,051 km (0.106 R)
• M8: 3,668,140 km (0.089 R)
• M9: 4,239,753 km (0.106 R)
• M10: 5,521,209 km (0.112 R)
• M11: 7,918,664 km (0.092 R)
• M12: 9,420,328 km (0.105 R)
• M13: 9,942,574 km (0.103 R)
• M14: 11,862,812 km (0.109 R)
• M15: 14,218,679 km (0.103 R)
• M16: 16,492,567 km (0.078 R)
• M17: 16,642,314 km (0.052 R)
• M18: 20,685,945 km (0.113 R)
• M19: 28,012,351 km (0.058 R)
• M20: 30,304,789 km (0.105 R)
• M21: 40,863,107 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.2

Radius: 3

Gravity: 107.8 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.01 AU - 10.75 AU

Year: 21436 Days

Day: 19 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,492,805 km

• M1: 150,047 km (0.039 R)
• M2: 277,504 km (0.066 R)
• M3: 660,624 km (0.105 R)
• M4: 889,659 km (0.078 R)
• M5: 1,213,089 km (0.086 R)
• M6: 1,368,970 km (0.075 R)
• M7: 1,798,017 km (0.078 R)
• M8: 4,642,321 km (0.105 R)
• M9: 4,868,812 km (0.09 R)
• M10: 4,984,751 km (0.071 R)
• M11: 5,262,554 km (0.1 R)
• M12: 6,760,029 km (0.033 R)
• M13: 7,657,466 km (0.094 R)
• M14: 7,920,160 km (0.082 R)
• M15: 8,575,249 km (0.105 R)
• M16: 9,685,116 km (0.053 R)
• M17: 10,054,622 km (0.048 R)
• M18: 10,242,817 km (0.11 R)
• M19: 10,497,283 km (0.05 R)
• M20: 10,691,012 km (0.098 R)
• M21: 12,615,439 km (0.045 R)
• M22: 16,778,897 km (0.044 R)
• M23: 18,880,598 km (0.083 R)
• M24: 20,744,138 km (0.039 R)
• M25: 20,947,143 km (0.084 R)
• M26: 23,050,638 km (0.103 R)
• M27: 26,225,853 km (0.107 R)
• M28: 31,516,382 km (0.091 R)
• M29: 34,694,140 km (0.072 R)
• M30: 38,689,301 km (0.117 R)
• M31: 43,310,229 km (0.114 R)
• M32: 45,325,163 km (0.107 R)
• M33: 53,057,877 km (0.114 R)
• M34: 53,437,556 km (0.098 R)
• M35: 53,819,031 km (0.079 R)
• M36: 59,351,160 km (0.038 R)
• M37: 66,563,273 km (0.111 R)
• M38: 69,016,080 km (0.086 R)
• M39: 69,695,254 km (0.055 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 20,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit