🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.7

Radius: 8.3

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.54 AU - 0.58 AU

Year: 284 Days

Day: 8.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,527,535 km

• M1: 103,671 km (0.115 R)
• M2: 410,945 km (0.103 R)
• M3: 835,205 km (0.051 R)
• M4: 1,093,411 km (0.097 R)
• M5: 1,370,466 km (0.096 R)
• M6: 1,647,521 km (0.115 R)
• M7: 2,224,371 km (0.084 R)
• M8: 2,546,455 km (0.073 R)
• M9: 2,949,621 km (0.107 R)
• M10: 3,811,754 km (0.087 R)
• M11: 4,197,716 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.8

Radius: 12.5

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.62 AU - 0.78 AU

Year: 397 Days

Day: 7.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,527,535 km

• M1: 155,582 km (0.06 R)
• M2: 599,439 km (0.052 R)
• M3: 1,091,915 km (0.12 R)
• M4: 1,484,011 km (0.091 R)
• M5: 2,064,002 km (0.071 R)
• M6: 2,468,963 km (0.101 R)
• M7: 3,381,809 km (0.079 R)
• M8: 3,772,410 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.4

Radius: 10.5

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.2 AU - 1.94 AU

Year: 1334 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,527,535 km

• M1: 130,599 km (0.082 R)
• M2: 520,002 km (0.088 R)
• M3: 852,558 km (0.108 R)
• M4: 1,207,404 km (0.09 R)
• M5: 1,611,319 km (0.111 R)
• M6: 2,462,830 km (0.073 R)
• M7: 3,122,856 km (0.116 R)
• M8: 4,056,346 km (0.095 R)
• M9: 4,632,448 km (0.094 R)
• M10: 4,959,169 km (0.113 R)
• M11: 6,624,942 km (0.07 R)
• M12: 7,376,372 km (0.118 R)
• M13: 7,950,828 km (0.098 R)
• M14: 10,244,612 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.4

Radius: 11.9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.19 AU - 2.29 AU

Year: 2274 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,527,535 km

• M1: 150,495 km (0.063 R)
• M2: 623,524 km (0.091 R)
• M3: 1,069,924 km (0.031 R)
• M4: 2,068,939 km (0.09 R)
• M5: 2,538,377 km (0.105 R)
• M6: 2,976,100 km (0.079 R)
• M7: 3,677,564 km (0.061 R)
• M8: 4,278,499 km (0.115 R)
• M9: 4,801,493 km (0.06 R)
• M10: 6,023,259 km (0.066 R)
• M11: 6,581,259 km (0.093 R)
• M12: 7,280,031 km (0.08 R)
• M13: 8,200,806 km (0.043 R)
• M14: 8,856,643 km (0.069 R)
• M15: 11,503,927 km (0.09 R)
• M16: 12,098,129 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.7

Radius: 10.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.31 AU - 2.37 AU

Year: 2428 Days

Day: 6.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,527,535 km

• M1: 135,685 km (0.082 R)
• M2: 592,557 km (0.113 R)
• M3: 1,312,721 km (0.085 R)
• M4: 1,747,602 km (0.06 R)
• M5: 3,485,780 km (0.078 R)
• M6: 4,332,055 km (0.117 R)
• M7: 5,870,520 km (0.088 R)
• M8: 6,449,613 km (0.08 R)
• M9: 7,514,451 km (0.104 R)
• M10: 8,029,067 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.1

Radius: 8.3

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.15 AU - 6.11 AU

Year: 9061 Days

Day: 10 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,527,535 km

• M1: 103,223 km (0.097 R)
• M2: 737,518 km (0.118 R)
• M3: 1,108,520 km (0.115 R)
• M4: 1,704,668 km (0.109 R)
• M5: 2,870,634 km (0.077 R)
• M6: 3,471,568 km (0.033 R)
• M7: 5,112,806 km (0.106 R)
• M8: 5,748,149 km (0.082 R)
• M9: 9,154,193 km (0.118 R)
• M10: 9,937,936 km (0.088 R)
• M11: 10,818,918 km (0.026 R)
• M12: 12,150,040 km (0.115 R)
• M13: 13,524,994 km (0.109 R)
• M14: 18,421,033 km (0.102 R)
• M15: 22,241,912 km (0.085 R)
• M16: 25,980,213 km (0.102 R)
• M17: 33,979,810 km (0.061 R)
• M18: 36,569,499 km (0.114 R)
• M19: 39,541,560 km (0.036 R)
• M20: 40,308,997 km (0.117 R)
• M21: 42,005,736 km (0.108 R)
• M22: 42,804,738 km (0.108 R)
• M23: 43,207,904 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.1

Radius: 4.6

Gravity: 32.19 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.56 AU - 8.14 AU

Year: 12160 Days

Day: 19 Hours

Environment

Temp: -235 °C

Axial Tilt: 146.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 62,527,535 km

• M1: 64,028 km (0.094 R)
• M2: 354,098 km (0.052 R)
• M3: 526,285 km (0.076 R)
• M4: 702,512 km (0.034 R)
• M5: 1,177,186 km (0.047 R)
• M6: 1,679,236 km (0.11 R)
• M7: 2,122,495 km (0.114 R)
• M8: 2,472,554 km (0.076 R)
• M9: 3,262,131 km (0.041 R)
• M10: 3,412,776 km (0.11 R)
• M11: 3,809,659 km (0.076 R)
• M12: 4,119,925 km (0.056 R)
• M13: 5,673,948 km (0.092 R)
• M14: 6,268,600 km (0.058 R)
• M15: 6,862,952 km (0.084 R)
• M16: 7,322,068 km (0.112 R)
• M17: 8,071,553 km (0.078 R)
• M18: 8,630,600 km (0.09 R)
• M19: 8,919,474 km (0.079 R)
• M20: 10,087,384 km (0.041 R)
• M21: 11,182,590 km (0.083 R)
• M22: 13,736,226 km (0.111 R)
• M23: 15,639,261 km (0.1 R)
• M24: 16,727,735 km (0.063 R)
• M25: 19,875,424 km (0.097 R)
• M26: 20,126,299 km (0.118 R)
• M27: 20,891,492 km (0.087 R)
• M28: 22,661,235 km (0.112 R)
• M29: 22,843,445 km (0.072 R)
• M30: 24,147,041 km (0.099 R)
• M31: 25,597,841 km (0.092 R)
• M32: 26,094,057 km (0.064 R)
• M33: 26,394,899 km (0.088 R)
• M34: 27,933,812 km (0.101 R)
• M35: 28,992,217 km (0.05 R)
• M36: 30,518,714 km (0.106 R)
• M37: 36,282,420 km (0.053 R)
• M38: 40,013,840 km (0.046 R)
• M39: 47,628,222 km (0.07 R)
• M40: 48,529,549 km (0.08 R)
• M41: 49,748,921 km (0.076 R)
• M42: 50,366,162 km (0.118 R)
• M43: 53,690,975 km (0.093 R)
• M44: 54,177,617 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227

Radius: 6.3

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.26 AU - 8.64 AU

Year: 13792 Days

Day: 15.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,527,535 km

• M1: 78,389 km (0.11 R)
• M2: 346,618 km (0.093 R)
• M3: 577,448 km (0.079 R)
• M4: 799,301 km (0.112 R)
• M5: 1,018,014 km (0.12 R)
• M6: 1,690,606 km (0.048 R)
• M7: 2,823,510 km (0.076 R)
• M8: 3,205,134 km (0.083 R)
• M9: 3,525,274 km (0.09 R)
• M10: 4,816,303 km (0.087 R)
• M11: 5,053,566 km (0.08 R)
• M12: 7,795,695 km (0.115 R)
• M13: 9,297,956 km (0.102 R)
• M14: 9,620,041 km (0.099 R)
• M15: 9,902,033 km (0.059 R)
• M16: 11,085,651 km (0.107 R)
• M17: 12,976,419 km (0.084 R)
• M18: 13,205,453 km (0.091 R)
• M19: 14,088,080 km (0.114 R)
• M20: 14,574,722 km (0.068 R)
• M21: 18,659,941 km (0.057 R)
• M22: 20,923,656 km (0.095 R)
• M23: 22,202,867 km (0.08 R)
• M24: 25,627,312 km (0.036 R)
• M25: 26,535,371 km (0.095 R)
• M26: 30,082,037 km (0.091 R)
• M27: 31,092,122 km (0.092 R)
• M28: 32,020,527 km (0.075 R)
• M29: 32,544,119 km (0.07 R)
• M30: 34,916,143 km (0.026 R)
• M31: 37,516,603 km (0.096 R)
• M32: 38,215,674 km (0.084 R)
• M33: 40,122,149 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.9

Radius: 6.9

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.05 AU - 8.89 AU

Year: 15261 Days

Day: 15.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,527,535 km

• M1: 85,869 km (0.06 R)
• M2: 432,039 km (0.102 R)
• M3: 875,596 km (0.069 R)
• M4: 1,170,603 km (0.111 R)
• M5: 1,441,824 km (0.117 R)
• M6: 2,309,492 km (0.064 R)
• M7: 4,112,146 km (0.032 R)
• M8: 5,050,424 km (0.11 R)
• M9: 6,651,869 km (0.115 R)
• M10: 8,417,573 km (0.098 R)
• M11: 10,702,830 km (0.11 R)
• M12: 10,934,557 km (0.039 R)
• M13: 12,458,959 km (0.113 R)
• M14: 13,573,164 km (0.095 R)
• M15: 15,330,341 km (0.098 R)
• M16: 15,923,347 km (0.04 R)
• M17: 17,313,111 km (0.092 R)
• M18: 20,420,558 km (0.093 R)
• M19: 22,246,101 km (0.117 R)
• M20: 23,198,441 km (0.105 R)
• M21: 26,958,733 km (0.079 R)
• M22: 28,815,243 km (0.101 R)
• M23: 31,816,774 km (0.08 R)
• M24: 32,296,385 km (0.068 R)
• M25: 34,640,285 km (0.061 R)
• M26: 35,020,413 km (0.066 R)
• M27: 35,403,383 km (0.059 R)
• M28: 36,307,852 km (0.09 R)
• M29: 38,432,890 km (0.106 R)
• M30: 40,779,931 km (0.05 R)
• M31: 42,204,402 km (0.082 R)
• M32: 44,402,742 km (0.074 R)
• M33: 49,026,214 km (0.061 R)
• M34: 51,948,908 km (0.109 R)
• M35: 53,452,965 km (0.073 R)
• M36: 56,372,517 km (0.099 R)
• M37: 57,605,054 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 19,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit