🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.7

Radius: 14.1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.81 AU - 0.95 AU

Year: 533 Days

Day: 8.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,468,185 km

• M1: 175,329 km (0.104 R)
• M2: 655,089 km (0.104 R)
• M3: 1,289,683 km (0.095 R)
• M4: 2,090,331 km (0.041 R)
• M5: 2,712,359 km (0.089 R)
• M6: 3,467,080 km (0.082 R)
• M7: 4,134,287 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117

Radius: 12.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.68 AU - 2.68 AU

Year: 2078 Days

Day: 5.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,468,185 km

• M1: 160,818 km (0.106 R)
• M2: 974,032 km (0.047 R)
• M3: 2,072,828 km (0.068 R)
• M4: 4,529,076 km (0.087 R)
• M5: 6,013,834 km (0.097 R)
• M6: 7,753,209 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.8

Radius: 9.4

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.06 AU - 2.64 AU

Year: 2326 Days

Day: 10.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,468,185 km

• M1: 116,986 km (0.06 R)
• M2: 418,575 km (0.051 R)
• M3: 719,566 km (0.048 R)
• M4: 1,015,620 km (0.078 R)
• M5: 1,450,351 km (0.057 R)
• M6: 2,078,064 km (0.054 R)
• M7: 4,493,022 km (0.079 R)
• M8: 5,413,797 km (0.069 R)
• M9: 6,722,180 km (0.078 R)
• M10: 7,107,993 km (0.092 R)
• M11: 9,534,620 km (0.091 R)
• M12: 10,380,596 km (0.1 R)
• M13: 10,896,858 km (0.04 R)
• M14: 11,352,833 km (0.108 R)
• M15: 12,425,300 km (0.082 R)
• M16: 13,520,656 km (0.115 R)
• M17: 14,451,304 km (0.063 R)

Asteroid Belt

Center: 3.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.4

Radius: 9.8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.54 AU - 3.88 AU

Year: 4614 Days

Day: 6.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,468,185 km

• M1: 122,221 km (0.095 R)
• M2: 539,749 km (0.116 R)
• M3: 1,007,841 km (0.036 R)
• M4: 1,376,899 km (0.079 R)
• M5: 2,536,881 km (0.073 R)
• M6: 2,887,837 km (0.082 R)
• M7: 3,708,980 km (0.047 R)
• M8: 4,140,719 km (0.082 R)
• M9: 4,654,289 km (0.065 R)
• M10: 5,558,309 km (0.028 R)
• M11: 6,453,054 km (0.104 R)
• M12: 6,982,929 km (0.077 R)
• M13: 7,474,508 km (0.069 R)
• M14: 9,795,070 km (0.034 R)
• M15: 10,369,526 km (0.029 R)
• M16: 10,707,767 km (0.102 R)
• M17: 11,495,848 km (0.116 R)
• M18: 12,181,904 km (0.09 R)
• M19: 15,693,415 km (0.1 R)
• M20: 18,193,644 km (0.113 R)
• M21: 18,562,403 km (0.092 R)
• M22: 18,873,567 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.9

Radius: 7.2

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.71 AU - 7.05 AU

Year: 11652 Days

Day: 21.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,468,185 km

• M1: 89,609 km (0.089 R)
• M2: 410,197 km (0.092 R)
• M3: 674,238 km (0.032 R)
• M4: 977,024 km (0.118 R)
• M5: 1,242,710 km (0.102 R)
• M6: 1,790,088 km (0.116 R)
• M7: 2,561,415 km (0.112 R)
• M8: 3,116,124 km (0.107 R)
• M9: 3,513,306 km (0.092 R)
• M10: 4,276,255 km (0.037 R)
• M11: 5,542,152 km (0.084 R)
• M12: 6,467,415 km (0.1 R)
• M13: 8,287,273 km (0.072 R)
• M14: 10,280,665 km (0.118 R)
• M15: 11,060,519 km (0.097 R)
• M16: 13,181,966 km (0.035 R)
• M17: 13,579,298 km (0.066 R)
• M18: 13,868,022 km (0.069 R)
• M19: 16,785,031 km (0.114 R)
• M20: 17,795,864 km (0.113 R)
• M21: 21,458,767 km (0.115 R)
• M22: 25,594,999 km (0.039 R)
• M23: 26,661,333 km (0.079 R)
• M24: 26,932,404 km (0.048 R)
• M25: 27,205,420 km (0.091 R)
• M26: 27,664,536 km (0.095 R)
• M27: 27,942,339 km (0.109 R)
• M28: 30,824,940 km (0.115 R)
• M29: 33,269,070 km (0.078 R)
• M30: 33,583,376 km (0.102 R)
• M31: 37,965,995 km (0.027 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.6

Radius: 7.3

Gravity: 16.51 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.39 AU - 8.31 AU

Year: 14201 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,468,185 km

• M1: 91,853 km (0.092 R)
• M2: 402,418 km (0.091 R)
• M3: 725,998 km (0.081 R)
• M4: 999,463 km (0.051 R)
• M5: 1,533,677 km (0.077 R)
• M6: 1,761,216 km (0.05 R)
• M7: 3,366,550 km (0.086 R)
• M8: 3,871,144 km (0.062 R)
• M9: 4,960,815 km (0.062 R)
• M10: 5,728,402 km (0.112 R)
• M11: 9,932,251 km (0.079 R)
• M12: 10,731,403 km (0.112 R)
• M13: 11,449,922 km (0.05 R)
• M14: 12,392,538 km (0.119 R)
• M15: 12,717,913 km (0.054 R)
• M16: 15,832,541 km (0.106 R)
• M17: 16,215,811 km (0.083 R)
• M18: 16,921,464 km (0.095 R)
• M19: 17,161,120 km (0.045 R)
• M20: 18,309,732 km (0.115 R)
• M21: 18,902,738 km (0.103 R)
• M22: 19,160,944 km (0.042 R)
• M23: 21,404,015 km (0.118 R)
• M24: 22,830,729 km (0.103 R)
• M25: 23,221,629 km (0.081 R)
• M26: 24,017,041 km (0.053 R)
• M27: 24,727,630 km (0.059 R)
• M28: 26,404,473 km (0.07 R)
• M29: 28,044,066 km (0.117 R)
• M30: 29,866,467 km (0.101 R)
• M31: 36,866,450 km (0.104 R)
• M32: 38,496,618 km (0.092 R)
• M33: 40,032,689 km (0.069 R)
• M34: 40,601,311 km (0.087 R)
• M35: 42,929,503 km (0.069 R)
• M36: 47,373,607 km (0.069 R)
• M37: 51,946,215 km (0.103 R)
• M38: 53,133,723 km (0.075 R)
• M39: 59,527,985 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.7

Radius: 7.2

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.28 AU - 9.68 AU

Year: 15944 Days

Day: 23.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,468,185 km

• M1: 89,609 km (0.03 R)
• M2: 384,766 km (0.098 R)
• M3: 712,235 km (0.072 R)
• M4: 961,316 km (0.105 R)
• M5: 1,197,980 km (0.113 R)
• M6: 1,487,452 km (0.092 R)
• M7: 1,761,515 km (0.043 R)
• M8: 2,103,645 km (0.089 R)
• M9: 2,412,415 km (0.097 R)
• M10: 4,435,876 km (0.117 R)
• M11: 5,461,369 km (0.098 R)
• M12: 5,905,974 km (0.069 R)
• M13: 8,015,454 km (0.108 R)
• M14: 10,069,732 km (0.043 R)
• M15: 10,843,751 km (0.112 R)
• M16: 12,049,809 km (0.115 R)
• M17: 13,041,194 km (0.079 R)
• M18: 13,464,856 km (0.055 R)
• M19: 16,132,634 km (0.107 R)
• M20: 16,691,382 km (0.095 R)
• M21: 18,825,546 km (0.056 R)
• M22: 25,455,873 km (0.103 R)
• M23: 30,225,502 km (0.077 R)
• M24: 38,076,847 km (0.1 R)
• M25: 46,480,956 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.5

Radius: 3.5

Gravity: 67.31 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.97 AU - 8.97 AU

Year: 17346 Days

Day: 17.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,468,185 km

• M1: 45,179 km (0.099 R)
• M2: 339,288 km (0.077 R)
• M3: 668,104 km (0.113 R)
• M4: 962,214 km (0.083 R)
• M5: 1,675,795 km (0.099 R)
• M6: 2,151,367 km (0.119 R)
• M7: 2,735,696 km (0.105 R)
• M8: 3,038,183 km (0.103 R)
• M9: 3,591,546 km (0.117 R)
• M10: 4,048,418 km (0.092 R)
• M11: 4,681,516 km (0.119 R)
• M12: 6,182,880 km (0.119 R)
• M13: 6,352,973 km (0.107 R)
• M14: 7,681,402 km (0.079 R)
• M15: 10,268,697 km (0.118 R)
• M16: 10,567,594 km (0.067 R)
• M17: 12,825,025 km (0.083 R)
• M18: 13,241,805 km (0.086 R)
• M19: 14,771,593 km (0.117 R)
• M20: 16,415,374 km (0.075 R)
• M21: 17,407,358 km (0.103 R)
• M22: 17,917,935 km (0.095 R)
• M23: 20,527,670 km (0.087 R)
• M24: 22,468,104 km (0.085 R)
• M25: 27,502,073 km (0.046 R)
• M26: 31,328,337 km (0.042 R)
• M27: 46,672,740 km (0.101 R)
• M28: 48,822,013 km (0.069 R)
• M29: 50,691,388 km (0.12 R)
• M30: 51,556,662 km (0.038 R)
• M31: 53,673,322 km (0.03 R)
• M32: 54,031,759 km (0.073 R)
• M33: 68,439,231 km (0.035 R)
• M34: 72,949,756 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.2

Radius: 5.8

Gravity: 20.13 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.1 AU - 11.54 AU

Year: 19869 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,468,185 km

• M1: 72,106 km (0.111 R)
• M2: 526,734 km (0.113 R)
• M3: 790,475 km (0.094 R)
• M4: 1,491,192 km (0.118 R)
• M5: 1,817,465 km (0.037 R)
• M6: 2,128,179 km (0.102 R)
• M7: 2,318,318 km (0.069 R)
• M8: 2,732,704 km (0.101 R)
• M9: 3,560,579 km (0.096 R)
• M10: 4,789,675 km (0.109 R)
• M11: 7,127,441 km (0.078 R)
• M12: 7,701,747 km (0.069 R)
• M13: 9,216,725 km (0.111 R)
• M14: 10,014,829 km (0.105 R)
• M15: 11,944,343 km (0.089 R)
• M16: 12,684,703 km (0.101 R)
• M17: 13,312,864 km (0.119 R)
• M18: 15,399,904 km (0.082 R)
• M19: 16,195,316 km (0.116 R)
• M20: 17,609,913 km (0.111 R)
• M21: 18,656,650 km (0.047 R)
• M22: 19,560,071 km (0.106 R)
• M23: 20,682,354 km (0.078 R)
• M24: 24,948,287 km (0.057 R)
• M25: 25,382,720 km (0.086 R)
• M26: 25,601,880 km (0.113 R)
• M27: 26,603,737 km (0.03 R)
• M28: 32,263,025 km (0.111 R)
• M29: 33,169,139 km (0.115 R)
• M30: 39,844,645 km (0.117 R)
• M31: 46,374,742 km (0.06 R)
• M32: 52,156,250 km (0.077 R)
• M33: 56,328,385 km (0.072 R)
• M34: 57,452,165 km (0.114 R)
• M35: 59,744,602 km (0.117 R)
• M36: 63,901,778 km (0.077 R)
• M37: 64,104,333 km (0.117 R)
• M38: 66,154,273 km (0.074 R)
• M39: 66,569,556 km (0.046 R)
• M40: 72,565,738 km (0.093 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 20,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit