🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.64 AU - 0.7 AU

Year: 360 Days

Day: 21.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.5

Radius: 10.1

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.68 AU - 0.86 AU

Year: 443 Days

Day: 14.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 45,754,359 km

• M1: 132,245 km (0.109 R)
• M2: 218,562 km (0.06 R)
• M3: 309,967 km (0.067 R)
• M4: 429,795 km (0.114 R)
• M5: 521,199 km (0.044 R)
• M6: 601,383 km (0.105 R)
• M7: 690,394 km (0.095 R)
• M8: 775,964 km (0.101 R)
• M9: 839,394 km (0.086 R)
• M10: 927,058 km (0.114 R)
• M11: 1,112,410 km (0.119 R)
• M12: 1,214,735 km (0.119 R)
• M13: 1,471,295 km (0.119 R)
• M14: 1,568,085 km (0.051 R)
• M15: 1,762,413 km (0.092 R)
• M16: 1,970,802 km (0.117 R)
• M17: 2,114,267 km (0.052 R)
• M18: 2,242,622 km (0.108 R)
• M19: 2,361,103 km (0.066 R)
• M20: 2,475,246 km (0.117 R)
• M21: 2,584,902 km (0.058 R)
• M22: 2,676,306 km (0.101 R)
• M23: 2,822,313 km (0.105 R)
• M24: 2,943,787 km (0.085 R)
• M25: 3,101,463 km (0.047 R)
• M26: 3,171,026 km (0.102 R)
• M27: 3,276,193 km (0.074 R)
• M28: 3,425,492 km (0.053 R)
• M29: 3,946,990 km (0.102 R)
• M30: 4,251,721 km (0.117 R)
• M31: 4,336,842 km (0.069 R)
• M32: 4,469,685 km (0.06 R)
• M33: 4,619,732 km (0.113 R)
• M34: 4,699,318 km (0.113 R)
• M35: 4,803,588 km (0.117 R)
• M36: 4,892,299 km (0.075 R)
• M37: 4,957,225 km (0.037 R)
• M38: 5,022,449 km (0.086 R)
• M39: 5,269,585 km (0.057 R)
• M40: 5,554,569 km (0.076 R)
• M41: 5,622,337 km (0.102 R)
• M42: 5,767,447 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 8.1

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.78 AU - 0.82 AU

Year: 469 Days

Day: 12.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 45,754,359 km

• M1: 129,253 km (0.083 R)
• M2: 215,720 km (0.073 R)
• M3: 283,937 km (0.075 R)
• M4: 368,759 km (0.04 R)
• M5: 441,015 km (0.067 R)
• M6: 555,457 km (0.081 R)
• M7: 649,404 km (0.088 R)
• M8: 858,991 km (0.107 R)
• M9: 1,084,585 km (0.04 R)
• M10: 1,215,632 km (0.077 R)
• M11: 1,352,066 km (0.116 R)
• M12: 1,445,863 km (0.116 R)
• M13: 1,554,172 km (0.098 R)
• M14: 1,627,774 km (0.058 R)
• M15: 1,690,157 km (0.103 R)
• M16: 1,747,004 km (0.101 R)
• M17: 1,817,315 km (0.1 R)
• M18: 1,947,615 km (0.116 R)
• M19: 2,040,665 km (0.036 R)
• M20: 2,155,855 km (0.109 R)
• M21: 2,741,082 km (0.112 R)
• M22: 2,967,124 km (0.112 R)
• M23: 3,036,089 km (0.11 R)
• M24: 3,357,275 km (0.068 R)
• M25: 3,445,239 km (0.032 R)
• M26: 3,526,022 km (0.104 R)
• M27: 3,591,097 km (0.098 R)
• M28: 3,656,471 km (0.071 R)
• M29: 3,714,066 km (0.112 R)
• M30: 3,788,566 km (0.106 R)
• M31: 3,888,647 km (0.1 R)
• M32: 3,981,248 km (0.111 R)
• M33: 4,151,491 km (0.089 R)
• M34: 4,228,833 km (0.118 R)
• M35: 4,315,300 km (0.077 R)
• M36: 4,685,256 km (0.12 R)
• M37: 4,846,971 km (0.082 R)
• M38: 4,992,231 km (0.091 R)
• M39: 5,138,986 km (0.096 R)
• M40: 5,203,612 km (0.107 R)
• M41: 5,380,587 km (0.103 R)
• M42: 5,502,658 km (0.12 R)
• M43: 5,616,353 km (0.105 R)
• M44: 5,749,794 km (0.069 R)
• M45: 5,884,432 km (0.118 R)
• M46: 5,942,327 km (0.094 R)
• M47: 6,010,244 km (0.078 R)
• M48: 6,068,737 km (0.044 R)
• M49: 6,127,379 km (0.108 R)
• M50: 6,186,171 km (0.095 R)
• M51: 6,462,927 km (0.066 R)
• M52: 6,562,859 km (0.1 R)
• M53: 6,784,413 km (0.09 R)
• M54: 6,835,127 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.6

Radius: 9.4

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.1 AU - 2.18 AU

Year: 2054 Days

Day: 12.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 45,754,359 km

• M1: 145,409 km (0.089 R)
• M2: 345,571 km (0.09 R)
• M3: 409,449 km (0.097 R)
• M4: 507,286 km (0.048 R)
• M5: 662,419 km (0.076 R)
• M6: 763,548 km (0.094 R)
• M7: 851,960 km (0.104 R)
• M8: 1,069,326 km (0.06 R)
• M9: 1,179,878 km (0.112 R)
• M10: 1,283,699 km (0.049 R)
• M11: 1,602,343 km (0.089 R)
• M12: 1,683,126 km (0.093 R)
• M13: 1,872,816 km (0.05 R)
• M14: 2,032,137 km (0.051 R)
• M15: 2,107,236 km (0.098 R)
• M16: 2,183,381 km (0.105 R)
• M17: 2,403,888 km (0.068 R)
• M18: 2,631,875 km (0.12 R)
• M19: 2,783,119 km (0.117 R)
• M20: 2,937,354 km (0.031 R)
• M21: 3,402,005 km (0.098 R)
• M22: 3,491,764 km (0.091 R)
• M23: 3,567,161 km (0.062 R)
• M24: 3,719,601 km (0.105 R)
• M25: 3,781,086 km (0.072 R)
• M26: 3,874,136 km (0.097 R)
• M27: 3,999,349 km (0.114 R)
• M28: 4,078,337 km (0.115 R)
• M29: 4,366,911 km (0.11 R)
• M30: 4,464,748 km (0.087 R)
• M31: 4,579,640 km (0.106 R)
• M32: 4,778,904 km (0.108 R)
• M33: 4,913,392 km (0.108 R)
• M34: 4,981,160 km (0.101 R)
• M35: 5,237,870 km (0.052 R)
• M36: 6,179,439 km (0.071 R)
• M37: 6,270,993 km (0.058 R)
• M38: 6,362,996 km (0.07 R)
• M39: 7,000,432 km (0.099 R)
• M40: 8,074,246 km (0.1 R)
• M41: 8,194,523 km (0.12 R)
• M42: 8,558,943 km (0.114 R)
• M43: 8,887,310 km (0.08 R)
• M44: 9,832,918 km (0.064 R)
• M45: 10,285,003 km (0.085 R)
• M46: 10,590,332 km (0.098 R)
• M47: 10,876,364 km (0.048 R)
• M48: 10,942,785 km (0.115 R)
• M49: 11,120,507 km (0.064 R)
• M50: 11,276,837 km (0.071 R)
• M51: 11,433,765 km (0.04 R)
• M52: 11,704,687 km (0.088 R)
• M53: 11,977,703 km (0.116 R)
• M54: 12,069,257 km (0.116 R)
• M55: 12,160,961 km (0.064 R)
• M56: 12,669,444 km (0.086 R)
• M57: 12,879,479 km (0.07 R)
• M58: 13,279,354 km (0.076 R)
• M59: 13,397,836 km (0.096 R)
• M60: 13,516,616 km (0.1 R)
• M61: 13,683,418 km (0.102 R)
• M62: 13,922,924 km (0.07 R)
• M63: 13,995,030 km (0.086 R)
• M64: 15,116,715 km (0.102 R)
• M65: 15,240,433 km (0.089 R)
• M66: 15,314,783 km (0.104 R)
• M67: 15,913,922 km (0.093 R)
• M68: 16,065,016 km (0.082 R)
• M69: 16,292,405 km (0.076 R)
• M70: 16,673,730 km (0.111 R)
• M71: 16,827,068 km (0.118 R)
• M72: 16,955,273 km (0.1 R)
• M73: 17,109,508 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.5

Radius: 7.7

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.8 AU - 8.84 AU

Year: 14346 Days

Day: 18.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 45,754,359 km

• M1: 750,084 km (0.057 R)
• M2: 1,090,419 km (0.081 R)
• M3: 1,207,404 km (0.118 R)
• M4: 1,453,792 km (0.069 R)
• M5: 1,605,036 km (0.119 R)
• M6: 1,970,054 km (0.098 R)
• M7: 2,513,244 km (0.076 R)
• M8: 2,748,262 km (0.117 R)
• M9: 3,183,742 km (0.106 R)
• M10: 3,582,570 km (0.099 R)
• M11: 3,699,406 km (0.106 R)
• M12: 3,817,588 km (0.087 R)
• M13: 3,907,048 km (0.074 R)
• M14: 4,027,474 km (0.088 R)
• M15: 5,066,581 km (0.11 R)
• M16: 5,565,041 km (0.114 R)
• M17: 5,906,124 km (0.116 R)
• M18: 6,324,400 km (0.071 R)
• M19: 6,716,196 km (0.116 R)
• M20: 8,477,412 km (0.118 R)
• M21: 9,428,705 km (0.088 R)
• M22: 9,509,488 km (0.092 R)
• M23: 9,590,570 km (0.115 R)
• M24: 9,753,332 km (0.107 R)
• M25: 10,455,246 km (0.092 R)
• M26: 11,560,026 km (0.035 R)
• M27: 11,820,326 km (0.109 R)
• M28: 11,994,757 km (0.107 R)
• M29: 12,214,217 km (0.112 R)
• M30: 13,832,717 km (0.053 R)
• M31: 14,433,651 km (0.103 R)
• M32: 15,374,622 km (0.03 R)
• M33: 15,660,803 km (0.048 R)
• M34: 16,725,192 km (0.04 R)
• M35: 17,216,770 km (0.116 R)
• M36: 17,266,137 km (0.101 R)
• M37: 17,513,872 km (0.111 R)
• M38: 18,113,310 km (0.086 R)
• M39: 18,516,626 km (0.118 R)
• M40: 18,872,071 km (0.108 R)
• M41: 19,280,922 km (0.086 R)
• M42: 19,796,286 km (0.072 R)
• M43: 21,209,986 km (0.072 R)
• M44: 22,710,154 km (0.104 R)
• M45: 24,466,133 km (0.113 R)
• M46: 24,632,935 km (0.069 R)
• M47: 25,529,176 km (0.067 R)
• M48: 26,265,347 km (0.102 R)
• M49: 26,836,212 km (0.068 R)
• M50: 28,164,941 km (0.087 R)
• M51: 28,632,135 km (0.101 R)
• M52: 30,227,596 km (0.087 R)
• M53: 30,346,975 km (0.061 R)
• M54: 30,466,504 km (0.119 R)
• M55: 31,006,103 km (0.051 R)
• M56: 31,427,969 km (0.102 R)
• M57: 32,643,901 km (0.119 R)
• M58: 33,875,241 km (0.094 R)
• M59: 34,309,673 km (0.087 R)
• M60: 34,434,288 km (0.084 R)
• M61: 34,808,582 km (0.093 R)
• M62: 35,247,054 km (0.056 R)
• M63: 37,402,759 km (0.079 R)
• M64: 39,209,752 km (0.101 R)
• M65: 39,600,651 km (0.048 R)
• M66: 40,123,944 km (0.088 R)
• M67: 40,847,100 km (0.041 R)
• M68: 42,439,869 km (0.077 R)
• M69: 42,640,479 km (0.099 R)
• M70: 44,255,987 km (0.093 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 10,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit