🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.5

Radius: 11.2

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.54 AU - 0.88 AU

Year: 380 Days

Day: 10.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,201,510 km

• M1: 139,575 km (0.101 R)
• M2: 566,378 km (0.11 R)
• M3: 1,030,729 km (0.078 R)
• M4: 1,592,469 km (0.113 R)
• M5: 2,218,985 km (0.119 R)
• M6: 2,633,222 km (0.106 R)
• M7: 3,099,219 km (0.063 R)
• M8: 3,783,779 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.3

Radius: 8.4

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.86 AU - 1.22 AU

Year: 674 Days

Day: 14.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,201,510 km

• M1: 104,419 km (0.098 R)
• M2: 478,115 km (0.064 R)
• M3: 801,097 km (0.09 R)
• M4: 1,063,641 km (0.095 R)
• M5: 1,401,882 km (0.085 R)
• M6: 2,112,621 km (0.041 R)
• M7: 2,919,851 km (0.029 R)
• M8: 3,346,953 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.3

Radius: 12.2

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.72 AU - 2.36 AU

Year: 1853 Days

Day: 13 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,201,510 km

• M1: 151,692 km (0.117 R)
• M2: 723,455 km (0.074 R)
• M3: 1,242,111 km (0.055 R)
• M4: 1,960,630 km (0.067 R)
• M5: 2,808,102 km (0.081 R)
• M6: 3,904,205 km (0.045 R)
• M7: 4,937,029 km (0.12 R)
• M8: 5,587,630 km (0.115 R)
• M9: 6,320,211 km (0.036 R)
• M10: 10,220,975 km (0.079 R)
• M11: 10,980,484 km (0.098 R)
• M12: 12,051,156 km (0.062 R)
• M13: 14,894,413 km (0.107 R)
• M14: 15,540,676 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.2

Radius: 8.4

Gravity: 13.54 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.56 AU - 3.76 AU

Year: 3572 Days

Day: 11.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,201,510 km

• M1: 104,419 km (0.087 R)
• M2: 371,302 km (0.057 R)
• M3: 662,868 km (0.069 R)
• M4: 1,000,959 km (0.086 R)
• M5: 2,376,362 km (0.081 R)
• M6: 2,735,247 km (0.037 R)
• M7: 3,167,885 km (0.052 R)
• M8: 3,990,224 km (0.034 R)
• M9: 4,285,979 km (0.073 R)
• M10: 5,289,781 km (0.026 R)
• M11: 5,591,520 km (0.1 R)
• M12: 5,933,800 km (0.035 R)
• M13: 6,320,211 km (0.101 R)
• M14: 7,719,699 km (0.106 R)
• M15: 8,001,392 km (0.111 R)
• M16: 9,354,504 km (0.11 R)
• M17: 10,422,484 km (0.118 R)
• M18: 10,985,869 km (0.091 R)
• M19: 11,938,808 km (0.065 R)
• M20: 14,964,574 km (0.074 R)
• M21: 18,591,724 km (0.111 R)
• M22: 18,907,525 km (0.059 R)
• M23: 19,291,244 km (0.075 R)
• M24: 21,082,678 km (0.088 R)
• M25: 24,612,440 km (0.047 R)
• M26: 24,993,316 km (0.068 R)
• M27: 25,533,215 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.1

Radius: 8

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.91 AU - 3.69 AU

Year: 3812 Days

Day: 8.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,201,510 km

• M1: 99,632 km (0.106 R)
• M2: 388,356 km (0.093 R)
• M3: 838,346 km (0.117 R)
• M4: 1,109,567 km (0.117 R)
• M5: 1,374,505 km (0.115 R)
• M6: 1,629,420 km (0.075 R)
• M7: 2,695,454 km (0.06 R)
• M8: 3,265,871 km (0.068 R)
• M9: 3,616,080 km (0.075 R)
• M10: 3,895,080 km (0.059 R)
• M11: 5,112,208 km (0.119 R)
• M12: 6,244,215 km (0.091 R)
• M13: 6,647,232 km (0.05 R)
• M14: 8,023,083 km (0.048 R)
• M15: 8,435,076 km (0.114 R)
• M16: 8,860,981 km (0.073 R)
• M17: 9,579,350 km (0.087 R)
• M18: 11,765,125 km (0.045 R)
• M19: 12,131,789 km (0.119 R)
• M20: 13,764,500 km (0.088 R)
• M21: 15,201,088 km (0.112 R)
• M22: 16,480,749 km (0.048 R)
• M23: 17,512,824 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.5

Radius: 8.9

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.41 AU - 5.49 AU

Year: 7002 Days

Day: 11.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,201,510 km

• M1: 110,852 km (0.046 R)
• M2: 436,078 km (0.118 R)
• M3: 881,879 km (0.075 R)
• M4: 1,219,821 km (0.104 R)
• M5: 1,846,786 km (0.102 R)
• M6: 2,132,069 km (0.115 R)
• M7: 3,396,919 km (0.081 R)
• M8: 4,379,478 km (0.112 R)
• M9: 5,381,484 km (0.09 R)
• M10: 7,008,361 km (0.089 R)
• M11: 8,078,883 km (0.09 R)
• M12: 9,209,395 km (0.053 R)
• M13: 9,955,589 km (0.106 R)
• M14: 11,046,756 km (0.078 R)
• M15: 13,116,143 km (0.111 R)
• M16: 16,415,973 km (0.109 R)
• M17: 16,957,816 km (0.096 R)
• M18: 18,875,511 km (0.081 R)
• M19: 20,386,001 km (0.113 R)
• M20: 26,677,489 km (0.079 R)
• M21: 27,050,287 km (0.093 R)
• M22: 28,189,774 km (0.111 R)
• M23: 29,360,976 km (0.114 R)
• M24: 31,488,108 km (0.084 R)
• M25: 37,775,856 km (0.101 R)
• M26: 40,288,801 km (0.106 R)
• M27: 41,899,072 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 13.1

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.27 AU - 6.47 AU

Year: 7912 Days

Day: 9.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,201,510 km

• M1: 202,256 km (0.091 R)
• M2: 713,881 km (0.119 R)
• M3: 1,352,664 km (0.082 R)
• M4: 2,112,920 km (0.052 R)
• M5: 3,121,060 km (0.083 R)
• M6: 3,635,079 km (0.113 R)
• M7: 7,266,866 km (0.078 R)
• M8: 7,837,133 km (0.109 R)
• M9: 8,437,021 km (0.064 R)
• M10: 10,626,984 km (0.086 R)
• M11: 12,076,438 km (0.077 R)
• M12: 12,587,763 km (0.086 R)
• M13: 15,430,721 km (0.11 R)
• M14: 17,285,735 km (0.037 R)
• M15: 18,378,248 km (0.098 R)
• M16: 21,765,892 km (0.108 R)
• M17: 27,743,524 km (0.08 R)
• M18: 28,236,598 km (0.115 R)
• M19: 31,212,848 km (0.053 R)
• M20: 34,053,711 km (0.111 R)
• M21: 35,305,995 km (0.12 R)
• M22: 38,754,525 km (0.083 R)
• M23: 39,370,868 km (0.066 R)
• M24: 41,259,691 km (0.118 R)
• M25: 42,682,666 km (0.078 R)
• M26: 43,208,054 km (0.071 R)
• M27: 43,737,780 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.4

Radius: 3.2

Gravity: 80.61 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.5 AU - 10.96 AU

Year: 17829 Days

Day: 24.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,201,510 km

• M1: 39,793 km (0.057 R)
• M2: 189,690 km (0.045 R)
• M3: 308,321 km (0.081 R)
• M4: 570,267 km (0.091 R)
• M5: 784,790 km (0.076 R)
• M6: 951,742 km (0.095 R)
• M7: 1,793,379 km (0.108 R)
• M8: 1,964,220 km (0.097 R)
• M9: 2,294,532 km (0.114 R)
• M10: 3,117,769 km (0.046 R)
• M11: 4,554,956 km (0.098 R)
• M12: 5,019,308 km (0.066 R)
• M13: 5,282,002 km (0.116 R)
• M14: 6,252,443 km (0.071 R)
• M15: 10,886,387 km (0.073 R)
• M16: 15,434,611 km (0.088 R)
• M17: 17,053,858 km (0.025 R)
• M18: 18,077,855 km (0.089 R)
• M19: 18,252,436 km (0.094 R)
• M20: 18,872,220 km (0.072 R)
• M21: 25,094,893 km (0.072 R)
• M22: 29,199,709 km (0.109 R)
• M23: 32,944,593 km (0.049 R)
• M24: 34,931,552 km (0.066 R)
• M25: 37,137,522 km (0.095 R)
• M26: 51,121,632 km (0.03 R)
• M27: 60,332,821 km (0.083 R)
• M28: 69,729,363 km (0.094 R)
• M29: 71,457,069 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.9

Radius: 7.4

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 10.24 AU - 11.56 AU

Year: 22881 Days

Day: 23.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,201,510 km

• M1: 105,317 km (0.082 R)
• M2: 489,185 km (0.075 R)
• M3: 1,010,234 km (0.066 R)
• M4: 1,373,907 km (0.102 R)
• M5: 3,165,042 km (0.107 R)
• M6: 3,683,698 km (0.085 R)
• M7: 3,948,636 km (0.099 R)
• M8: 4,683,909 km (0.063 R)
• M9: 10,463,324 km (0.099 R)
• M10: 10,996,491 km (0.077 R)
• M11: 11,861,914 km (0.119 R)
• M12: 12,181,755 km (0.099 R)
• M13: 12,639,225 km (0.089 R)
• M14: 13,938,482 km (0.08 R)
• M15: 14,730,304 km (0.103 R)
• M16: 15,025,461 km (0.119 R)
• M17: 15,627,742 km (0.085 R)
• M18: 16,561,232 km (0.104 R)
• M19: 17,449,096 km (0.095 R)
• M20: 17,946,509 km (0.088 R)
• M21: 23,553,886 km (0.06 R)
• M22: 23,957,800 km (0.119 R)
• M23: 24,366,352 km (0.102 R)
• M24: 25,619,832 km (0.089 R)
• M25: 28,482,238 km (0.073 R)
• M26: 28,940,755 km (0.049 R)
• M27: 30,345,928 km (0.096 R)
• M28: 34,314,311 km (0.093 R)
• M29: 43,262,507 km (0.101 R)
• M30: 43,868,379 km (0.074 R)
• M31: 50,911,447 km (0.05 R)
• M32: 53,301,123 km (0.079 R)
• M33: 55,230,636 km (0.076 R)
• M34: 55,586,380 km (0.111 R)
• M35: 58,119,371 km (0.101 R)
• M36: 60,728,358 km (0.079 R)
• M37: 65,978,495 km (0.087 R)
• M38: 67,185,002 km (0.093 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 19,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit