🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.49 AU - 0.55 AU

Year: 246 Days

Day: 42.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.8

Radius: 14.2

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.02 AU - 1.6 AU

Year: 984 Days

Day: 6.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,613,113 km

• M1: 176,675 km (0.089 R)
• M2: 804,537 km (0.117 R)
• M3: 1,253,181 km (0.116 R)
• M4: 1,763,908 km (0.092 R)
• M5: 2,882,751 km (0.111 R)
• M6: 3,352,787 km (0.092 R)
• M7: 4,666,706 km (0.072 R)
• M8: 5,180,724 km (0.112 R)
• M9: 6,033,881 km (0.087 R)
• M10: 6,529,199 km (0.109 R)
• M11: 7,174,415 km (0.038 R)
• M12: 7,783,278 km (0.102 R)
• M13: 8,344,270 km (0.107 R)
• M14: 9,942,574 km (0.105 R)
• M15: 10,830,886 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33

Radius: 9.1

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.13 AU - 1.51 AU

Year: 995 Days

Day: 5.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,613,113 km

• M1: 113,246 km (0.075 R)
• M2: 561,740 km (0.099 R)
• M3: 953,836 km (0.107 R)
• M4: 1,694,794 km (0.107 R)
• M5: 3,158,460 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.7

Radius: 13.7

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.36 AU - 2.82 AU

Year: 2734 Days

Day: 7.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,613,113 km

• M1: 170,392 km (0.062 R)
• M2: 620,382 km (0.049 R)
• M3: 1,334,413 km (0.11 R)
• M4: 1,845,589 km (0.051 R)
• M5: 2,655,512 km (0.118 R)
• M6: 4,335,945 km (0.092 R)
• M7: 5,824,443 km (0.08 R)
• M8: 6,294,630 km (0.084 R)
• M9: 6,850,086 km (0.101 R)
• M10: 7,438,305 km (0.081 R)
• M11: 8,540,094 km (0.064 R)
• M12: 9,671,652 km (0.1 R)
• M13: 12,187,290 km (0.106 R)
• M14: 13,524,695 km (0.034 R)
• M15: 14,106,032 km (0.085 R)
• M16: 14,957,992 km (0.032 R)
• M17: 15,685,038 km (0.119 R)
• M18: 18,183,023 km (0.101 R)
• M19: 19,618,564 km (0.098 R)
• M20: 20,871,596 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.2

Radius: 13

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.86 AU - 3.76 AU

Year: 3950 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,613,113 km

• M1: 161,715 km (0.069 R)
• M2: 1,040,004 km (0.065 R)
• M3: 1,606,681 km (0.118 R)
• M4: 2,073,127 km (0.049 R)
• M5: 2,740,783 km (0.059 R)
• M6: 3,286,964 km (0.092 R)
• M7: 4,050,512 km (0.092 R)
• M8: 5,401,530 km (0.087 R)
• M9: 6,294,031 km (0.12 R)
• M10: 6,701,536 km (0.066 R)
• M11: 7,601,965 km (0.073 R)
• M12: 8,064,821 km (0.114 R)
• M13: 8,866,217 km (0.102 R)
• M14: 9,454,436 km (0.067 R)
• M15: 11,505,273 km (0.103 R)
• M16: 13,837,803 km (0.08 R)
• M17: 15,558,029 km (0.112 R)
• M18: 16,469,828 km (0.097 R)
• M19: 17,360,085 km (0.119 R)
• M20: 17,817,256 km (0.117 R)
• M21: 22,569,681 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635

Radius: 8.3

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.3 AU - 5.4 AU

Year: 5952 Days

Day: 8.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,613,113 km

• M1: 103,821 km (0.094 R)
• M2: 408,552 km (0.049 R)
• M3: 723,605 km (0.118 R)
• M4: 1,553,275 km (0.083 R)
• M5: 2,244,866 km (0.112 R)
• M6: 2,580,713 km (0.052 R)
• M7: 3,439,255 km (0.064 R)
• M8: 4,632,298 km (0.049 R)
• M9: 7,696,810 km (0.079 R)
• M10: 8,036,248 km (0.079 R)
• M11: 8,504,340 km (0.047 R)
• M12: 8,826,274 km (0.081 R)
• M13: 9,198,324 km (0.078 R)
• M14: 10,468,709 km (0.095 R)
• M15: 12,203,745 km (0.114 R)
• M16: 12,822,482 km (0.092 R)
• M17: 14,517,426 km (0.065 R)
• M18: 15,687,132 km (0.11 R)
• M19: 16,604,915 km (0.087 R)
• M20: 19,922,696 km (0.034 R)
• M21: 20,852,746 km (0.108 R)
• M22: 21,961,416 km (0.077 R)
• M23: 24,296,041 km (0.086 R)
• M24: 25,109,554 km (0.113 R)
• M25: 26,109,765 km (0.084 R)
• M26: 28,189,325 km (0.112 R)
• M27: 32,773,303 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.1

Radius: 11.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.77 AU - 5.53 AU

Year: 6578 Days

Day: 14.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,613,113 km

• M1: 143,165 km (0.117 R)
• M2: 1,134,550 km (0.086 R)
• M3: 1,512,434 km (0.032 R)
• M4: 3,604,710 km (0.111 R)
• M5: 4,071,605 km (0.107 R)
• M6: 5,303,095 km (0.119 R)
• M7: 10,521,667 km (0.109 R)
• M8: 11,309,001 km (0.085 R)
• M9: 14,005,951 km (0.11 R)
• M10: 15,010,052 km (0.038 R)
• M11: 15,372,677 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488

Radius: 7.5

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.88 AU - 11.16 AU

Year: 17771 Days

Day: 24.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,613,113 km

• M1: 93,648 km (0.087 R)
• M2: 350,209 km (0.104 R)
• M3: 707,897 km (0.104 R)
• M4: 993,180 km (0.109 R)
• M5: 1,273,676 km (0.087 R)
• M6: 1,638,695 km (0.097 R)
• M7: 2,206,718 km (0.105 R)
• M8: 2,828,597 km (0.118 R)
• M9: 3,068,402 km (0.108 R)
• M10: 3,347,851 km (0.115 R)
• M11: 3,700,154 km (0.078 R)
• M12: 4,640,975 km (0.041 R)
• M13: 6,399,049 km (0.101 R)
• M14: 7,204,035 km (0.111 R)
• M15: 7,979,850 km (0.04 R)
• M16: 8,315,098 km (0.082 R)
• M17: 10,470,804 km (0.092 R)
• M18: 11,048,252 km (0.118 R)
• M19: 13,105,222 km (0.076 R)
• M20: 15,700,596 km (0.079 R)
• M21: 17,158,128 km (0.06 R)
• M22: 17,476,023 km (0.099 R)
• M23: 19,467,171 km (0.084 R)
• M24: 22,445,216 km (0.111 R)
• M25: 26,235,278 km (0.086 R)
• M26: 27,084,246 km (0.055 R)
• M27: 30,663,674 km (0.048 R)
• M28: 30,897,346 km (0.118 R)
• M29: 32,687,883 km (0.082 R)
• M30: 35,181,230 km (0.059 R)
• M31: 52,684,331 km (0.103 R)
• M32: 55,753,780 km (0.064 R)
• M33: 57,865,055 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.8

Radius: 3.1

Gravity: 37.86 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.98 AU - 9.5 AU

Year: 18425 Days

Day: 22.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,613,113 km

• M1: 38,746 km (0.068 R)
• M2: 255,663 km (0.071 R)
• M3: 548,276 km (0.056 R)
• M4: 864,825 km (0.115 R)
• M5: 1,318,406 km (0.092 R)
• M6: 1,445,863 km (0.054 R)
• M7: 1,628,522 km (0.07 R)
• M8: 2,133,714 km (0.067 R)
• M9: 3,162,499 km (0.106 R)
• M10: 6,855,771 km (0.026 R)
• M11: 7,636,672 km (0.085 R)
• M12: 10,442,679 km (0.117 R)
• M13: 11,355,226 km (0.062 R)
• M14: 11,532,051 km (0.116 R)
• M15: 12,319,534 km (0.073 R)
• M16: 13,272,024 km (0.108 R)
• M17: 16,648,149 km (0.111 R)
• M18: 17,573,561 km (0.11 R)
• M19: 18,451,551 km (0.089 R)
• M20: 19,191,163 km (0.109 R)
• M21: 24,831,900 km (0.074 R)
• M22: 28,026,263 km (0.118 R)
• M23: 30,793,525 km (0.111 R)
• M24: 31,832,781 km (0.103 R)
• M25: 38,563,040 km (0.098 R)
• M26: 45,437,511 km (0.099 R)
• M27: 50,978,167 km (0.109 R)
• M28: 52,430,463 km (0.104 R)
• M29: 55,755,874 km (0.065 R)
• M30: 56,780,321 km (0.102 R)
• M31: 57,643,500 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.7

Radius: 5.8

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.29 AU - 9.43 AU

Year: 18786 Days

Day: 20.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,613,113 km

• M1: 77,940 km (0.052 R)
• M2: 271,670 km (0.076 R)
• M3: 601,683 km (0.11 R)
• M4: 835,355 km (0.11 R)
• M5: 1,393,803 km (0.109 R)
• M6: 1,652,608 km (0.107 R)
• M7: 2,978,045 km (0.097 R)
• M8: 3,285,768 km (0.086 R)
• M9: 7,165,439 km (0.116 R)
• M10: 7,374,876 km (0.108 R)
• M11: 7,588,352 km (0.047 R)
• M12: 7,894,280 km (0.117 R)
• M13: 8,861,430 km (0.098 R)
• M14: 9,102,881 km (0.119 R)
• M15: 10,112,816 km (0.12 R)
• M16: 16,519,943 km (0.091 R)
• M17: 17,332,260 km (0.032 R)
• M18: 21,885,121 km (0.059 R)
• M19: 23,594,576 km (0.076 R)
• M20: 29,897,733 km (0.079 R)
• M21: 34,195,530 km (0.119 R)
• M22: 41,790,913 km (0.087 R)
• M23: 44,552,789 km (0.053 R)
• M24: 46,122,520 km (0.074 R)
• M25: 47,581,248 km (0.109 R)
• M26: 49,826,712 km (0.038 R)
• M27: 52,141,590 km (0.039 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 16,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit