🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.1

Radius: 12.4

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.63 AU - 0.89 AU

Year: 449 Days

Day: 6.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,592,340 km

• M1: 155,731 km (0.111 R)
• M2: 393,293 km (0.104 R)
• M3: 895,044 km (0.064 R)
• M4: 1,150,557 km (0.053 R)
• M5: 1,611,019 km (0.07 R)
• M6: 1,847,384 km (0.064 R)
• M7: 2,893,821 km (0.098 R)
• M8: 3,395,423 km (0.069 R)
• M9: 3,628,646 km (0.061 R)
• M10: 3,978,855 km (0.095 R)
• M11: 4,450,686 km (0.112 R)
• M12: 4,696,924 km (0.089 R)
• M13: 5,028,433 km (0.097 R)
• M14: 5,348,273 km (0.103 R)
• M15: 5,618,597 km (0.092 R)
• M16: 6,180,038 km (0.084 R)
• M17: 6,496,587 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.7

Radius: 9.7

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.76 AU - 0.9 AU

Year: 513 Days

Day: 12 Hours

Environment

Temp: -159 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,592,340 km

• M1: 124,465 km (0.05 R)
• M2: 352,004 km (0.049 R)
• M3: 983,157 km (0.12 R)
• M4: 1,365,081 km (0.03 R)
• M5: 2,195,648 km (0.093 R)
• M6: 2,718,792 km (0.078 R)
• M7: 3,138,713 km (0.112 R)
• M8: 3,628,197 km (0.089 R)
• M9: 3,921,708 km (0.035 R)
• M10: 4,289,270 km (0.112 R)
• M11: 4,565,278 km (0.075 R)
• M12: 5,423,072 km (0.096 R)
• M13: 5,649,264 km (0.066 R)
• M14: 5,978,978 km (0.071 R)
• M15: 6,523,664 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.2

Radius: 10.5

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.65 AU - 1.05 AU

Year: 532 Days

Day: 5.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,592,340 km

• M1: 131,646 km (0.118 R)
• M2: 332,855 km (0.092 R)
• M3: 544,536 km (0.105 R)
• M4: 782,546 km (0.052 R)
• M5: 1,003,203 km (0.092 R)
• M6: 1,203,814 km (0.083 R)
• M7: 1,529,040 km (0.041 R)
• M8: 1,844,691 km (0.067 R)
• M9: 2,066,096 km (0.065 R)
• M10: 2,580,264 km (0.085 R)
• M11: 2,860,012 km (0.086 R)
• M12: 3,172,223 km (0.093 R)
• M13: 3,770,914 km (0.114 R)
• M14: 3,982,595 km (0.043 R)
• M15: 4,331,457 km (0.112 R)
• M16: 4,737,914 km (0.067 R)
• M17: 4,942,863 km (0.083 R)
• M18: 5,331,818 km (0.113 R)
• M19: 5,830,577 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.2

Radius: 8.6

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.55 AU - 1.97 AU

Year: 1584 Days

Day: 11.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,592,340 km

• M1: 107,262 km (0.066 R)
• M2: 330,761 km (0.098 R)
• M3: 544,686 km (0.117 R)
• M4: 753,375 km (0.086 R)
• M5: 980,764 km (0.049 R)
• M6: 1,300,454 km (0.054 R)
• M7: 2,056,821 km (0.102 R)
• M8: 2,288,997 km (0.117 R)
• M9: 2,582,358 km (0.112 R)
• M10: 4,154,632 km (0.097 R)
• M11: 4,615,992 km (0.104 R)
• M12: 5,136,592 km (0.114 R)
• M13: 5,451,945 km (0.075 R)
• M14: 6,513,940 km (0.114 R)
• M15: 6,690,316 km (0.11 R)
• M16: 7,524,623 km (0.057 R)
• M17: 7,820,827 km (0.075 R)
• M18: 8,926,206 km (0.099 R)
• M19: 9,086,874 km (0.093 R)
• M20: 9,483,159 km (0.077 R)
• M21: 10,673,060 km (0.051 R)
• M22: 11,076,974 km (0.116 R)
• M23: 11,307,505 km (0.05 R)
• M24: 11,986,978 km (0.094 R)
• M25: 12,631,895 km (0.115 R)
• M26: 13,744,604 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.1

Radius: 11.7

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.45 AU - 4.41 AU

Year: 5284 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,592,340 km

• M1: 151,094 km (0.032 R)
• M2: 647,310 km (0.109 R)
• M3: 1,088,474 km (0.081 R)
• M4: 3,109,392 km (0.031 R)
• M5: 4,233,171 km (0.11 R)
• M6: 4,721,159 km (0.074 R)
• M7: 5,343,038 km (0.043 R)
• M8: 7,420,952 km (0.062 R)
• M9: 8,041,035 km (0.078 R)
• M10: 9,130,706 km (0.087 R)
• M11: 9,357,048 km (0.077 R)
• M12: 12,922,713 km (0.05 R)
• M13: 16,081,771 km (0.068 R)
• M14: 16,610,300 km (0.086 R)
• M15: 20,637,325 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.6

Radius: 13.8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.94 AU - 5.54 AU

Year: 6999 Days

Day: 8.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,592,340 km

• M1: 171,738 km (0.104 R)
• M2: 1,002,755 km (0.075 R)
• M3: 1,658,891 km (0.079 R)
• M4: 3,038,333 km (0.09 R)
• M5: 4,489,432 km (0.12 R)
• M6: 5,807,240 km (0.092 R)
• M7: 6,120,647 km (0.098 R)
• M8: 6,681,938 km (0.111 R)
• M9: 7,847,755 km (0.095 R)
• M10: 8,112,393 km (0.116 R)
• M11: 8,415,479 km (0.093 R)
• M12: 10,391,218 km (0.117 R)
• M13: 10,811,887 km (0.062 R)
• M14: 11,319,772 km (0.118 R)
• M15: 11,758,991 km (0.083 R)
• M16: 13,949,553 km (0.057 R)
• M17: 15,810,251 km (0.07 R)
• M18: 18,188,708 km (0.084 R)
• M19: 19,001,772 km (0.118 R)
• M20: 20,950,883 km (0.096 R)
• M21: 25,492,824 km (0.104 R)
• M22: 25,911,698 km (0.117 R)
• M23: 27,004,211 km (0.082 R)
• M24: 28,433,469 km (0.105 R)
• M25: 29,835,201 km (0.12 R)
• M26: 31,138,946 km (0.067 R)
• M27: 32,135,119 km (0.105 R)
• M28: 35,148,319 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.5

Radius: 5.3

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.62 AU - 6.82 AU

Year: 9279 Days

Day: 19.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,592,340 km

• M1: 68,217 km (0.11 R)
• M2: 167,849 km (0.066 R)
• M3: 359,932 km (0.105 R)
• M4: 597,344 km (0.101 R)
• M5: 2,352,875 km (0.111 R)
• M6: 2,692,762 km (0.069 R)
• M7: 2,871,382 km (0.073 R)
• M8: 3,509,566 km (0.118 R)
• M9: 3,713,767 km (0.059 R)
• M10: 5,932,304 km (0.093 R)
• M11: 7,881,414 km (0.025 R)
• M12: 8,429,690 km (0.116 R)
• M13: 8,888,956 km (0.067 R)
• M14: 9,806,440 km (0.118 R)
• M15: 11,572,293 km (0.088 R)
• M16: 13,706,905 km (0.059 R)
• M17: 13,930,255 km (0.106 R)
• M18: 15,121,502 km (0.1 R)
• M19: 15,592,586 km (0.065 R)
• M20: 16,313,049 km (0.083 R)
• M21: 17,199,118 km (0.095 R)
• M22: 18,159,835 km (0.098 R)
• M23: 21,533,118 km (0.107 R)
• M24: 21,982,210 km (0.086 R)
• M25: 24,001,034 km (0.074 R)
• M26: 26,108,868 km (0.053 R)
• M27: 26,914,452 km (0.084 R)
• M28: 27,795,733 km (0.105 R)
• M29: 30,392,004 km (0.026 R)
• M30: 32,690,127 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.9

Radius: 6.3

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.71 AU - 6.83 AU

Year: 10649 Days

Day: 15.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 91 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,592,340 km

• M1: 78,389 km (0.051 R)
• M2: 210,484 km (0.054 R)
• M3: 850,613 km (0.079 R)
• M4: 3,052,395 km (0.082 R)
• M5: 3,190,623 km (0.112 R)
• M6: 3,929,338 km (0.084 R)
• M7: 6,119,899 km (0.094 R)
• M8: 6,549,544 km (0.066 R)
• M9: 7,669,883 km (0.03 R)
• M10: 9,599,546 km (0.055 R)
• M11: 10,689,217 km (0.093 R)
• M12: 12,203,297 km (0.108 R)
• M13: 13,525,891 km (0.088 R)
• M14: 14,562,904 km (0.062 R)
• M15: 15,378,661 km (0.064 R)
• M16: 15,952,668 km (0.109 R)
• M17: 16,806,274 km (0.112 R)
• M18: 17,461,063 km (0.075 R)
• M19: 17,848,821 km (0.076 R)
• M20: 20,683,402 km (0.084 R)
• M21: 24,504,879 km (0.081 R)
• M22: 27,394,063 km (0.037 R)
• M23: 30,153,994 km (0.101 R)
• M24: 33,427,345 km (0.113 R)
• M25: 34,971,045 km (0.075 R)
• M26: 36,949,776 km (0.102 R)
• M27: 38,490,186 km (0.079 R)
• M28: 39,978,535 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.2

Radius: 3.2

Gravity: 46.6 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.08 AU - 6.54 AU

Year: 10751 Days

Day: 19.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 44,592,340 km

• M1: 63,429 km (0.106 R)
• M2: 270,772 km (0.055 R)
• M3: 485,295 km (0.103 R)
• M4: 598,691 km (0.096 R)
• M5: 938,128 km (0.097 R)
• M6: 1,312,273 km (0.088 R)
• M7: 1,467,256 km (0.095 R)
• M8: 2,437,847 km (0.096 R)
• M9: 3,838,532 km (0.071 R)
• M10: 4,049,465 km (0.11 R)
• M11: 4,687,948 km (0.118 R)
• M12: 4,891,551 km (0.069 R)
• M13: 5,189,999 km (0.079 R)
• M14: 5,910,462 km (0.045 R)
• M15: 6,405,631 km (0.058 R)
• M16: 6,712,456 km (0.089 R)
• M17: 6,991,157 km (0.114 R)
• M18: 7,639,066 km (0.078 R)
• M19: 10,780,621 km (0.096 R)
• M20: 11,764,676 km (0.041 R)
• M21: 12,179,660 km (0.115 R)
• M22: 14,616,610 km (0.1 R)
• M23: 16,617,780 km (0.106 R)
• M24: 18,459,928 km (0.084 R)
• M25: 18,805,350 km (0.07 R)
• M26: 19,153,913 km (0.076 R)
• M27: 21,683,763 km (0.117 R)
• M28: 22,943,825 km (0.066 R)
• M29: 24,042,771 km (0.061 R)
• M30: 24,436,812 km (0.105 R)
• M31: 24,767,573 km (0.118 R)
• M32: 26,661,183 km (0.08 R)
• M33: 28,339,970 km (0.079 R)
• M34: 28,910,985 km (0.089 R)
• M35: 29,632,645 km (0.05 R)
• M36: 29,705,350 km (0.096 R)
• M37: 32,077,673 km (0.109 R)
• M38: 32,304,763 km (0.073 R)
• M39: 33,994,620 km (0.089 R)
• M40: 34,072,411 km (0.05 R)
• M41: 34,934,394 km (0.082 R)
• M42: 35,887,183 km (0.117 R)
• M43: 37,831,058 km (0.078 R)
• M44: 39,574,172 km (0.09 R)
• M45: 43,441,576 km (0.099 R)
• M46: 44,236,689 km (0.117 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: 522 - 12,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit