🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.5

Radius: 13.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.44 AU - 0.58 AU

Year: 251 Days

Day: 7.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,727,873 km

• M1: 166,353 km (0.117 R)
• M2: 695,481 km (0.116 R)
• M3: 1,189,004 km (0.091 R)
• M4: 1,623,586 km (0.062 R)
• M5: 2,065,647 km (0.12 R)
• M6: 2,539,424 km (0.087 R)
• M7: 3,657,219 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.8

Radius: 13.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.57 AU - 0.75 AU

Year: 370 Days

Day: 5.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,727,873 km

• M1: 170,392 km (0.081 R)
• M2: 605,123 km (0.12 R)
• M3: 1,485,208 km (0.072 R)
• M4: 2,502,324 km (0.078 R)
• M5: 2,938,551 km (0.072 R)
• M6: 3,612,190 km (0.059 R)
• M7: 4,200,110 km (0.106 R)
• M8: 5,379,240 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.8

Radius: 10.5

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.75 AU - 0.75 AU

Year: 448 Days

Day: 10.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,727,873 km

• M1: 131,646 km (0.12 R)
• M2: 471,832 km (0.095 R)
• M3: 936,183 km (0.075 R)
• M4: 1,394,402 km (0.088 R)
• M5: 1,770,042 km (0.102 R)
• M6: 2,297,524 km (0.114 R)
• M7: 2,677,353 km (0.053 R)
• M8: 3,099,069 km (0.07 R)
• M9: 3,883,112 km (0.094 R)
• M10: 4,684,807 km (0.085 R)
• M11: 5,878,448 km (0.116 R)
• M12: 6,634,666 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.4

Radius: 8.7

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.92 AU - 1.5 AU

Year: 919 Days

Day: 13.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 39,727,873 km

• M1: 108,309 km (0.112 R)
• M2: 1,708,108 km (0.108 R)
• M3: 2,323,704 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.9

Radius: 9.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.17 AU - 1.27 AU

Year: 930 Days

Day: 13.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,727,873 km

• M1: 126,261 km (0.09 R)
• M2: 475,422 km (0.104 R)
• M3: 969,993 km (0.104 R)
• M4: 1,448,407 km (0.056 R)
• M5: 2,052,782 km (0.068 R)
• M6: 2,459,090 km (0.105 R)
• M7: 3,068,552 km (0.06 R)
• M8: 3,498,645 km (0.041 R)
• M9: 4,110,650 km (0.105 R)
• M10: 4,495,715 km (0.109 R)
• M11: 4,937,478 km (0.11 R)
• M12: 5,582,993 km (0.075 R)
• M13: 6,715,897 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.3

Radius: 14.2

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.19 AU - 1.27 AU

Year: 942 Days

Day: 8.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,727,873 km

• M1: 176,525 km (0.091 R)
• M2: 660,624 km (0.063 R)
• M3: 1,197,830 km (0.103 R)
• M4: 2,236,638 km (0.112 R)
• M5: 2,886,641 km (0.09 R)
• M6: 3,675,769 km (0.088 R)
• M7: 4,431,239 km (0.116 R)
• M8: 6,275,331 km (0.086 R)
• M9: 6,905,737 km (0.066 R)
• M10: 7,627,846 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.8

Radius: 12.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.98 AU - 5.82 AU

Year: 8662 Days

Day: 13.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,727,873 km

• M1: 154,385 km (0.072 R)
• M2: 1,019,210 km (0.101 R)
• M3: 3,618,772 km (0.11 R)
• M4: 5,340,345 km (0.062 R)
• M5: 9,609,419 km (0.117 R)
• M6: 13,297,755 km (0.087 R)
• M7: 14,364,836 km (0.042 R)
• M8: 14,919,246 km (0.109 R)
• M9: 15,360,410 km (0.114 R)
• M10: 17,007,333 km (0.118 R)
• M11: 22,487,702 km (0.11 R)
• M12: 23,404,437 km (0.119 R)
• M13: 25,760,005 km (0.065 R)
• M14: 28,461,593 km (0.094 R)
• M15: 35,082,346 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.9

Radius: 3.1

Gravity: 81.47 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.42 AU - 7.16 AU

Year: 9617 Days

Day: 21.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 39,727,873 km

• M1: 38,596 km (0.074 R)
• M2: 163,959 km (0.118 R)
• M3: 274,063 km (0.106 R)
• M4: 373,247 km (0.097 R)
• M5: 490,382 km (0.088 R)
• M6: 601,683 km (0.035 R)
• M7: 712,983 km (0.083 R)
• M8: 1,191,846 km (0.059 R)
• M9: 1,342,641 km (0.101 R)
• M10: 1,744,461 km (0.106 R)
• M11: 2,024,658 km (0.078 R)
• M12: 2,470,010 km (0.119 R)
• M13: 3,863,664 km (0.101 R)
• M14: 4,695,129 km (0.113 R)
• M15: 6,173,755 km (0.116 R)
• M16: 7,509,514 km (0.071 R)
• M17: 8,155,627 km (0.031 R)
• M18: 8,289,218 km (0.113 R)
• M19: 9,313,664 km (0.09 R)
• M20: 9,856,256 km (0.09 R)
• M21: 10,058,662 km (0.082 R)
• M22: 10,682,485 km (0.039 R)
• M23: 11,949,728 km (0.118 R)
• M24: 12,888,156 km (0.105 R)
• M25: 14,386,229 km (0.077 R)
• M26: 14,778,026 km (0.03 R)
• M27: 15,177,003 km (0.112 R)
• M28: 18,172,850 km (0.089 R)
• M29: 18,630,620 km (0.116 R)
• M30: 19,252,947 km (0.063 R)
• M31: 22,486,056 km (0.042 R)
• M32: 24,738,102 km (0.071 R)
• M33: 26,938,837 km (0.109 R)
• M34: 34,898,640 km (0.1 R)
• M35: 36,682,894 km (0.076 R)
• M36: 38,903,225 km (0.098 R)
• M37: 39,281,708 km (0.085 R)
• M38: 41,868,405 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.6

Radius: 6.8

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.81 AU - 6.09 AU

Year: 10018 Days

Day: 22.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,727,873 km

• M1: 84,672 km (0.074 R)
• M2: 327,470 km (0.112 R)
• M3: 598,990 km (0.111 R)
• M4: 992,582 km (0.082 R)
• M5: 1,561,652 km (0.113 R)
• M6: 2,175,153 km (0.082 R)
• M7: 2,436,201 km (0.088 R)
• M8: 4,148,199 km (0.08 R)
• M9: 5,374,304 km (0.113 R)
• M10: 5,755,778 km (0.115 R)
• M11: 5,986,608 km (0.095 R)
• M12: 6,257,829 km (0.111 R)
• M13: 6,898,407 km (0.102 R)
• M14: 7,581,919 km (0.062 R)
• M15: 8,907,057 km (0.111 R)
• M16: 9,261,006 km (0.068 R)
• M17: 12,061,328 km (0.096 R)
• M18: 12,882,621 km (0.115 R)
• M19: 13,107,765 km (0.059 R)
• M20: 13,916,641 km (0.08 R)
• M21: 14,943,032 km (0.108 R)
• M22: 18,969,758 km (0.113 R)
• M23: 20,154,424 km (0.109 R)
• M24: 20,534,552 km (0.114 R)
• M25: 21,152,690 km (0.108 R)
• M26: 22,588,680 km (0.071 R)
• M27: 24,949,783 km (0.08 R)
• M28: 25,387,955 km (0.078 R)
• M29: 26,551,528 km (0.119 R)
• M30: 31,766,659 km (0.061 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 13,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit