🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.55 AU - 0.63 AU

Year: 297 Days

Day: 29.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,015,793 km

• M1: 193,280 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.4

Radius: 13.3

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.91 AU - 1.09 AU

Year: 656 Days

Day: 12.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,015,793 km

• M1: 165,455 km (0.091 R)
• M2: 1,320,500 km (0.096 R)
• M3: 1,796,222 km (0.108 R)
• M4: 2,900,254 km (0.088 R)
• M5: 3,864,562 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.3

Radius: 12.7

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.69 AU - 3.49 AU

Year: 3563 Days

Day: 7.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,015,793 km

• M1: 157,975 km (0.111 R)
• M2: 697,874 km (0.078 R)
• M3: 1,257,520 km (0.118 R)
• M4: 1,723,517 km (0.045 R)
• M5: 2,179,342 km (0.05 R)
• M6: 4,296,900 km (0.119 R)
• M7: 5,072,565 km (0.1 R)
• M8: 5,693,695 km (0.106 R)
• M9: 7,026,462 km (0.117 R)
• M10: 7,667,040 km (0.093 R)
• M11: 8,207,238 km (0.074 R)
• M12: 9,401,927 km (0.116 R)
• M13: 10,626,834 km (0.104 R)
• M14: 11,043,913 km (0.097 R)
• M15: 11,733,859 km (0.038 R)
• M16: 13,105,222 km (0.113 R)
• M17: 14,126,976 km (0.107 R)
• M18: 14,940,489 km (0.094 R)
• M19: 15,838,824 km (0.109 R)
• M20: 16,328,757 km (0.054 R)
• M21: 17,627,117 km (0.115 R)
• M22: 19,054,131 km (0.074 R)
• M23: 19,546,458 km (0.075 R)
• M24: 21,140,124 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567

Radius: 8.1

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.69 AU - 4.49 AU

Year: 5426 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,015,793 km

• M1: 100,679 km (0.074 R)
• M2: 389,104 km (0.087 R)
• M3: 701,165 km (0.077 R)
• M4: 1,212,491 km (0.093 R)
• M5: 1,599,949 km (0.103 R)
• M6: 2,311,437 km (0.039 R)
• M7: 3,101,014 km (0.089 R)
• M8: 3,359,669 km (0.071 R)
• M9: 3,741,892 km (0.119 R)
• M10: 4,369,455 km (0.074 R)
• M11: 5,626,825 km (0.106 R)
• M12: 6,840,512 km (0.096 R)
• M13: 7,526,568 km (0.105 R)
• M14: 8,070,656 km (0.09 R)
• M15: 8,876,090 km (0.051 R)
• M16: 13,303,439 km (0.087 R)
• M17: 14,044,547 km (0.116 R)
• M18: 14,315,768 km (0.085 R)
• M19: 14,868,832 km (0.083 R)
• M20: 15,609,042 km (0.106 R)
• M21: 16,734,766 km (0.108 R)
• M22: 19,682,741 km (0.115 R)
• M23: 21,999,414 km (0.083 R)
• M24: 23,488,511 km (0.076 R)
• M25: 24,964,444 km (0.034 R)
• M26: 26,501,113 km (0.073 R)
• M27: 27,166,674 km (0.107 R)
• M28: 28,704,839 km (0.076 R)
• M29: 29,495,165 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.6

Radius: 9.2

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5 AU - 5.98 AU

Year: 8439 Days

Day: 7 Hours

Environment

Temp: -212 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,015,793 km

• M1: 115,789 km (0.088 R)
• M2: 592,856 km (0.099 R)
• M3: 1,015,770 km (0.055 R)
• M4: 1,328,878 km (0.11 R)
• M5: 1,692,401 km (0.118 R)
• M6: 2,245,165 km (0.076 R)
• M7: 2,663,740 km (0.032 R)
• M8: 3,179,404 km (0.115 R)
• M9: 3,785,873 km (0.107 R)
• M10: 4,076,392 km (0.103 R)
• M11: 4,381,722 km (0.115 R)
• M12: 5,657,642 km (0.056 R)
• M13: 6,073,973 km (0.119 R)
• M14: 7,570,550 km (0.096 R)
• M15: 7,863,163 km (0.091 R)
• M16: 8,515,859 km (0.089 R)
• M17: 11,935,666 km (0.082 R)
• M18: 13,638,838 km (0.085 R)
• M19: 17,375,643 km (0.111 R)
• M20: 22,853,917 km (0.112 R)
• M21: 27,475,444 km (0.087 R)
• M22: 28,569,753 km (0.092 R)
• M23: 39,508,349 km (0.117 R)
• M24: 43,518,170 km (0.093 R)
• M25: 46,105,465 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675

Radius: 5.9

Gravity: 19.39 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.02 AU - 7.28 AU

Year: 12542 Days

Day: 24.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,015,793 km

• M1: 73,453 km (0.112 R)
• M2: 429,795 km (0.116 R)
• M3: 623,973 km (0.104 R)
• M4: 858,542 km (0.098 R)
• M5: 1,151,754 km (0.109 R)
• M6: 2,010,446 km (0.075 R)
• M7: 2,270,148 km (0.071 R)
• M8: 2,510,252 km (0.061 R)
• M9: 2,811,842 km (0.084 R)
• M10: 3,065,560 km (0.104 R)
• M11: 3,513,605 km (0.04 R)
• M12: 4,889,756 km (0.062 R)
• M13: 5,607,676 km (0.059 R)
• M14: 6,551,340 km (0.072 R)
• M15: 6,752,100 km (0.097 R)
• M16: 7,596,430 km (0.036 R)
• M17: 8,228,182 km (0.115 R)
• M18: 8,462,004 km (0.032 R)
• M19: 11,393,523 km (0.072 R)
• M20: 12,586,417 km (0.115 R)
• M21: 13,276,661 km (0.116 R)
• M22: 15,357,867 km (0.086 R)
• M23: 16,439,011 km (0.059 R)
• M24: 17,569,821 km (0.103 R)
• M25: 19,157,055 km (0.047 R)
• M26: 22,613,813 km (0.035 R)
• M27: 23,351,779 km (0.082 R)
• M28: 23,538,776 km (0.106 R)
• M29: 24,875,732 km (0.03 R)
• M30: 25,266,781 km (0.078 R)
• M31: 28,014,744 km (0.102 R)
• M32: 32,558,481 km (0.104 R)
• M33: 42,235,368 km (0.039 R)
• M34: 46,234,568 km (0.1 R)
• M35: 50,791,918 km (0.07 R)
• M36: 52,375,112 km (0.086 R)
• M37: 53,665,095 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531

Radius: 4.6

Gravity: 25.09 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.71 AU - 9.77 AU

Year: 15517 Days

Day: 21 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,015,793 km

• M1: 59,989 km (0.11 R)
• M2: 244,443 km (0.065 R)
• M3: 536,009 km (0.085 R)
• M4: 924,216 km (0.096 R)
• M5: 1,617,452 km (0.115 R)
• M6: 1,813,575 km (0.08 R)
• M7: 2,062,506 km (0.091 R)
• M8: 3,141,555 km (0.078 R)
• M9: 3,916,023 km (0.038 R)
• M10: 5,113,854 km (0.064 R)
• M11: 6,375,861 km (0.099 R)
• M12: 7,078,971 km (0.101 R)
• M13: 7,382,954 km (0.108 R)
• M14: 9,136,241 km (0.025 R)
• M15: 11,383,201 km (0.025 R)
• M16: 12,289,615 km (0.043 R)
• M17: 12,728,684 km (0.117 R)
• M18: 14,245,158 km (0.077 R)
• M19: 14,869,879 km (0.082 R)
• M20: 15,585,405 km (0.085 R)
• M21: 16,625,260 km (0.07 R)
• M22: 19,425,583 km (0.059 R)
• M23: 20,541,134 km (0.038 R)
• M24: 22,525,101 km (0.084 R)
• M25: 24,142,852 km (0.062 R)
• M26: 31,274,332 km (0.071 R)
• M27: 32,091,735 km (0.087 R)
• M28: 33,163,305 km (0.063 R)
• M29: 33,525,780 km (0.078 R)
• M30: 37,427,442 km (0.094 R)
• M31: 37,951,933 km (0.118 R)
• M32: 40,510,355 km (0.042 R)
• M33: 44,048,794 km (0.085 R)
• M34: 44,927,532 km (0.117 R)
• M35: 45,519,939 km (0.12 R)
• M36: 46,418,125 km (0.05 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 12,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit