🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.9

Radius: 10.4

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.73 AU - 0.97 AU

Year: 541 Days

Day: 8.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,142,763 km

• M1: 129,402 km (0.111 R)
• M2: 532,568 km (0.09 R)
• M3: 1,060,499 km (0.077 R)
• M4: 1,541,456 km (0.094 R)
• M5: 2,164,681 km (0.1 R)
• M6: 2,535,385 km (0.106 R)
• M7: 2,901,899 km (0.112 R)
• M8: 3,278,288 km (0.116 R)
• M9: 3,714,964 km (0.115 R)
• M10: 4,071,456 km (0.068 R)
• M11: 4,419,420 km (0.098 R)
• M12: 5,603,637 km (0.108 R)
• M13: 6,735,794 km (0.082 R)
• M14: 7,290,203 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.1

Radius: 14.2

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.75 AU - 1.09 AU

Year: 609 Days

Day: 7.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,142,763 km

• M1: 180,116 km (0.079 R)
• M2: 651,499 km (0.075 R)
• M3: 1,465,910 km (0.109 R)
• M4: 1,962,275 km (0.063 R)
• M5: 2,438,445 km (0.046 R)
• M6: 2,900,404 km (0.118 R)
• M7: 3,485,780 km (0.072 R)
• M8: 4,062,031 km (0.059 R)
• M9: 4,814,658 km (0.079 R)
• M10: 5,713,292 km (0.063 R)
• M11: 6,164,629 km (0.085 R)
• M12: 6,803,562 km (0.107 R)
• M13: 7,289,755 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.9

Radius: 13.8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.06 AU - 1.12 AU

Year: 786 Days

Day: 11 Hours

Environment

Temp: -173 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,142,763 km

• M1: 171,589 km (0.064 R)
• M2: 612,902 km (0.074 R)
• M3: 1,078,152 km (0.094 R)
• M4: 1,951,355 km (0.113 R)
• M5: 2,484,222 km (0.109 R)
• M6: 3,257,643 km (0.1 R)
• M7: 3,849,004 km (0.116 R)
• M8: 4,428,546 km (0.111 R)
• M9: 5,193,440 km (0.074 R)
• M10: 5,784,052 km (0.081 R)
• M11: 6,504,515 km (0.075 R)
• M12: 7,237,994 km (0.072 R)
• M13: 8,712,730 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.9

Radius: 9

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.13 AU - 1.45 AU

Year: 1011 Days

Day: 10.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,142,763 km

• M1: 111,899 km (0.09 R)
• M2: 392,994 km (0.068 R)
• M3: 891,454 km (0.101 R)
• M4: 1,211,743 km (0.11 R)
• M5: 1,537,717 km (0.076 R)
• M6: 1,858,454 km (0.095 R)
• M7: 2,359,906 km (0.064 R)
• M8: 2,778,332 km (0.056 R)
• M9: 3,367,149 km (0.112 R)
• M10: 4,130,248 km (0.108 R)
• M11: 4,897,385 km (0.119 R)
• M12: 6,603,998 km (0.12 R)
• M13: 7,137,314 km (0.038 R)
• M14: 7,941,702 km (0.079 R)
• M15: 8,493,718 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.3

Radius: 8.3

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.41 AU - 1.99 AU

Year: 1530 Days

Day: 9.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,142,763 km

• M1: 103,522 km (0.088 R)
• M2: 438,322 km (0.083 R)
• M3: 704,606 km (0.119 R)
• M4: 1,651,860 km (0.084 R)
• M5: 2,772,497 km (0.054 R)
• M6: 3,500,291 km (0.065 R)
• M7: 4,076,991 km (0.119 R)
• M8: 5,527,941 km (0.115 R)
• M9: 7,294,841 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.6

Radius: 10.7

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.44 AU - 1.98 AU

Year: 1543 Days

Day: 7.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,142,763 km

• M1: 133,292 km (0.095 R)
• M2: 643,121 km (0.04 R)
• M3: 1,125,874 km (0.087 R)
• M4: 2,770,403 km (0.118 R)
• M5: 3,852,295 km (0.071 R)
• M6: 4,384,414 km (0.089 R)
• M7: 6,947,325 km (0.109 R)
• M8: 7,434,416 km (0.117 R)
• M9: 8,101,622 km (0.079 R)
• M10: 9,437,980 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.5

Radius: 12

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.35 AU - 2.69 AU

Year: 2761 Days

Day: 8.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,142,763 km

• M1: 149,747 km (0.068 R)
• M2: 1,128,118 km (0.075 R)
• M3: 1,677,591 km (0.041 R)
• M4: 2,943,488 km (0.094 R)
• M5: 3,680,856 km (0.105 R)
• M6: 4,167,348 km (0.115 R)
• M7: 4,835,751 km (0.04 R)
• M8: 6,358,657 km (0.104 R)
• M9: 11,341,463 km (0.083 R)
• M10: 12,600,030 km (0.097 R)
• M11: 13,101,034 km (0.041 R)
• M12: 17,432,789 km (0.11 R)
• M13: 19,707,275 km (0.097 R)
• M14: 21,329,365 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.8

Radius: 12.2

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.78 AU - 5.54 AU

Year: 6944 Days

Day: 6.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,142,763 km

• M1: 151,692 km (0.082 R)
• M2: 604,675 km (0.067 R)
• M3: 1,459,178 km (0.078 R)
• M4: 2,080,607 km (0.113 R)
• M5: 3,202,591 km (0.112 R)
• M6: 3,960,604 km (0.104 R)
• M7: 4,529,973 km (0.099 R)
• M8: 5,103,531 km (0.054 R)
• M9: 5,486,203 km (0.105 R)
• M10: 5,970,900 km (0.115 R)
• M11: 6,484,021 km (0.09 R)
• M12: 8,237,158 km (0.105 R)
• M13: 12,749,927 km (0.094 R)
• M14: 14,748,555 km (0.118 R)
• M15: 15,423,690 km (0.074 R)
• M16: 16,780,094 km (0.082 R)
• M17: 17,516,115 km (0.081 R)
• M18: 19,728,967 km (0.081 R)
• M19: 21,129,951 km (0.106 R)
• M20: 23,354,172 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.9

Radius: 9.9

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.12 AU - 5.74 AU

Year: 8734 Days

Day: 9.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,142,763 km

• M1: 123,119 km (0.05 R)
• M2: 611,406 km (0.065 R)
• M3: 1,144,723 km (0.101 R)
• M4: 1,717,832 km (0.087 R)
• M5: 2,571,288 km (0.117 R)
• M6: 2,926,434 km (0.097 R)
• M7: 4,307,671 km (0.071 R)
• M8: 5,094,256 km (0.113 R)
• M9: 5,421,128 km (0.101 R)
• M10: 7,730,171 km (0.089 R)
• M11: 8,703,903 km (0.064 R)
• M12: 9,316,656 km (0.066 R)
• M13: 10,059,110 km (0.097 R)
• M14: 10,733,946 km (0.11 R)
• M15: 13,427,905 km (0.089 R)
• M16: 16,472,222 km (0.086 R)
• M17: 20,353,987 km (0.115 R)
• M18: 21,772,624 km (0.113 R)
• M19: 31,917,005 km (0.12 R)
• M20: 33,485,838 km (0.081 R)
• M21: 37,755,211 km (0.063 R)
• M22: 39,891,918 km (0.083 R)
• M23: 45,514,404 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.9

Radius: 3.7

Gravity: 53.46 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.7 AU - 7.16 AU

Year: 12592 Days

Day: 21 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 57,142,763 km

• M1: 68,217 km (0.089 R)
• M2: 293,212 km (0.07 R)
• M3: 482,603 km (0.045 R)
• M4: 696,378 km (0.1 R)
• M5: 835,355 km (0.094 R)
• M6: 1,246,449 km (0.083 R)
• M7: 1,603,091 km (0.116 R)
• M8: 1,899,444 km (0.099 R)
• M9: 2,557,525 km (0.119 R)
• M10: 2,687,825 km (0.114 R)
• M11: 2,845,352 km (0.107 R)
• M12: 2,985,226 km (0.119 R)
• M13: 3,783,031 km (0.085 R)
• M14: 4,126,956 km (0.097 R)
• M15: 4,246,036 km (0.115 R)
• M16: 4,843,680 km (0.038 R)
• M17: 5,567,434 km (0.088 R)
• M18: 6,559,867 km (0.117 R)
• M19: 7,399,410 km (0.071 R)
• M20: 8,402,912 km (0.08 R)
• M21: 8,740,256 km (0.082 R)
• M22: 8,986,793 km (0.111 R)
• M23: 11,712,915 km (0.096 R)
• M24: 12,255,955 km (0.109 R)
• M25: 13,457,226 km (0.085 R)
• M26: 14,187,413 km (0.075 R)
• M27: 15,726,177 km (0.072 R)
• M28: 16,164,499 km (0.106 R)
• M29: 18,721,426 km (0.119 R)
• M30: 23,941,494 km (0.086 R)
• M31: 26,112,608 km (0.094 R)
• M32: 26,829,929 km (0.117 R)
• M33: 27,350,380 km (0.079 R)
• M34: 31,527,302 km (0.074 R)
• M35: 37,904,360 km (0.11 R)
• M36: 41,392,684 km (0.069 R)
• M37: 45,529,214 km (0.081 R)
• M38: 49,776,298 km (0.12 R)
• M39: 51,674,695 km (0.077 R)
• M40: 51,995,732 km (0.083 R)
• M41: 52,156,699 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 20,133 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit