🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.5 AU - 0.7 AU

Year: 305 Days

Day: 28.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,111,830 km

• M1: 588,817 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.64 AU - 0.7 AU

Year: 360 Days

Day: 13.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.4

Radius: 8.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.69 AU - 0.81 AU

Year: 426 Days

Day: 13.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 29,111,830 km

• M1: 113,395 km (0.118 R)
• M2: 190,737 km (0.063 R)
• M3: 253,568 km (0.087 R)
• M4: 342,280 km (0.092 R)
• M5: 418,874 km (0.091 R)
• M6: 514,617 km (0.105 R)
• M7: 592,707 km (0.093 R)
• M8: 675,285 km (0.074 R)
• M9: 787,034 km (0.106 R)
• M10: 863,928 km (0.117 R)
• M11: 928,255 km (0.1 R)
• M12: 1,033,871 km (0.088 R)
• M13: 1,156,092 km (0.075 R)
• M14: 1,240,466 km (0.048 R)
• M15: 1,437,785 km (0.09 R)
• M16: 1,561,353 km (0.032 R)
• M17: 1,741,170 km (0.115 R)
• M18: 1,814,024 km (0.085 R)
• M19: 1,892,862 km (0.083 R)
• M20: 2,214,946 km (0.102 R)
• M21: 2,278,376 km (0.119 R)
• M22: 2,363,796 km (0.089 R)
• M23: 2,428,572 km (0.055 R)
• M24: 2,665,535 km (0.075 R)
• M25: 2,824,109 km (0.059 R)
• M26: 3,055,985 km (0.059 R)
• M27: 3,180,152 km (0.118 R)
• M28: 3,330,198 km (0.115 R)
• M29: 3,415,319 km (0.105 R)
• M30: 3,525,872 km (0.091 R)
• M31: 3,587,806 km (0.12 R)
• M32: 3,675,021 km (0.067 R)
• M33: 3,744,136 km (0.092 R)
• M34: 3,813,699 km (0.112 R)
• M35: 3,870,845 km (0.047 R)
• M36: 3,960,454 km (0.057 R)
• M37: 4,018,348 km (0.111 R)
• M38: 4,154,782 km (0.086 R)
• M39: 4,266,232 km (0.082 R)
• M40: 4,338,937 km (0.073 R)
• M41: 4,425,404 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.4

Radius: 14.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.91 AU - 1.27 AU

Year: 747 Days

Day: 12.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 29,111,830 km

• M1: 185,501 km (0.116 R)
• M2: 309,069 km (0.086 R)
• M3: 414,386 km (0.091 R)
• M4: 543,040 km (0.048 R)
• M5: 714,629 km (0.091 R)
• M6: 847,023 km (0.112 R)
• M7: 959,820 km (0.087 R)
• M8: 1,078,301 km (0.06 R)
• M9: 1,186,461 km (0.104 R)
• M10: 1,326,036 km (0.09 R)
• M11: 1,431,801 km (0.084 R)
• M12: 1,605,185 km (0.119 R)
• M13: 1,835,117 km (0.077 R)
• M14: 1,948,063 km (0.046 R)
• M15: 2,063,403 km (0.119 R)
• M16: 2,161,390 km (0.076 R)
• M17: 2,307,996 km (0.102 R)
• M18: 2,444,280 km (0.083 R)
• M19: 2,597,468 km (0.068 R)
• M20: 2,711,013 km (0.102 R)
• M21: 2,848,044 km (0.104 R)
• M22: 2,957,999 km (0.078 R)
• M23: 3,288,610 km (0.063 R)
• M24: 3,466,332 km (0.109 R)
• M25: 3,591,994 km (0.092 R)
• M26: 3,978,107 km (0.116 R)
• M27: 4,134,586 km (0.04 R)
• M28: 4,243,044 km (0.046 R)
• M29: 4,343,873 km (0.074 R)
• M30: 4,616,889 km (0.094 R)
• M31: 4,764,243 km (0.108 R)
• M32: 4,886,764 km (0.057 R)
• M33: 5,171,000 km (0.103 R)
• M34: 5,351,415 km (0.089 R)
• M35: 5,625,927 km (0.083 R)
• M36: 5,774,328 km (0.084 R)
• M37: 5,886,527 km (0.102 R)
• M38: 6,075,020 km (0.061 R)
• M39: 6,198,737 km (0.084 R)
• M40: 6,304,054 km (0.094 R)
• M41: 6,438,992 km (0.101 R)
• M42: 6,623,595 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.8

Radius: 12.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.01 AU - 2.77 AU

Year: 2424 Days

Day: 6.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 29,111,830 km

• M1: 218,263 km (0.12 R)
• M2: 305,180 km (0.094 R)
• M3: 555,906 km (0.119 R)
• M4: 991,983 km (0.108 R)
• M5: 1,186,610 km (0.112 R)
• M6: 1,269,637 km (0.081 R)
• M7: 1,458,130 km (0.085 R)
• M8: 1,605,784 km (0.089 R)
• M9: 2,042,759 km (0.07 R)
• M10: 2,565,603 km (0.056 R)
• M11: 3,150,531 km (0.096 R)
• M12: 3,343,961 km (0.107 R)
• M13: 3,596,782 km (0.059 R)
• M14: 4,488,684 km (0.117 R)
• M15: 5,090,816 km (0.098 R)
• M16: 5,178,929 km (0.102 R)
• M17: 5,293,072 km (0.112 R)
• M18: 5,485,156 km (0.081 R)
• M19: 5,718,528 km (0.114 R)
• M20: 5,862,890 km (0.098 R)
• M21: 6,262,765 km (0.091 R)
• M22: 6,425,229 km (0.111 R)
• M23: 6,823,608 km (0.107 R)
• M24: 7,088,994 km (0.045 R)
• M25: 7,215,853 km (0.096 R)
• M26: 7,558,133 km (0.075 R)
• M27: 8,110,748 km (0.099 R)
• M28: 8,406,952 km (0.108 R)
• M29: 8,586,319 km (0.093 R)
• M30: 8,979,463 km (0.084 R)
• M31: 9,209,095 km (0.116 R)
• M32: 9,487,048 km (0.053 R)
• M33: 10,067,189 km (0.119 R)
• M34: 10,481,874 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.9

Radius: 7

Gravity: 17.02 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.24 AU - 6.54 AU

Year: 10596 Days

Day: 17.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 29,111,830 km

• M1: 91,853 km (0.099 R)
• M2: 184,604 km (0.063 R)
• M3: 420,071 km (0.038 R)
• M4: 926,908 km (0.069 R)
• M5: 1,091,765 km (0.112 R)
• M6: 1,666,819 km (0.055 R)
• M7: 1,894,059 km (0.111 R)
• M8: 2,294,831 km (0.114 R)
• M9: 2,576,375 km (0.112 R)
• M10: 2,869,138 km (0.116 R)
• M11: 3,359,370 km (0.066 R)
• M12: 3,582,121 km (0.101 R)
• M13: 4,041,835 km (0.105 R)
• M14: 4,109,154 km (0.073 R)
• M15: 4,485,543 km (0.113 R)
• M16: 5,679,782 km (0.114 R)
• M17: 5,907,022 km (0.084 R)
• M18: 6,370,476 km (0.09 R)
• M19: 6,885,691 km (0.099 R)
• M20: 7,006,416 km (0.058 R)
• M21: 7,250,261 km (0.105 R)
• M22: 7,704,290 km (0.111 R)
• M23: 7,998,101 km (0.103 R)
• M24: 8,726,642 km (0.093 R)
• M25: 8,857,540 km (0.092 R)
• M26: 9,791,181 km (0.103 R)
• M27: 9,972,493 km (0.111 R)
• M28: 10,292,633 km (0.046 R)
• M29: 10,662,588 km (0.075 R)
• M30: 10,802,462 km (0.104 R)
• M31: 11,991,466 km (0.109 R)
• M32: 12,185,644 km (0.099 R)
• M33: 12,527,774 km (0.119 R)
• M34: 12,576,992 km (0.071 R)
• M35: 12,675,428 km (0.115 R)
• M36: 12,873,046 km (0.091 R)
• M37: 14,234,237 km (0.109 R)
• M38: 14,439,785 km (0.07 R)
• M39: 14,698,140 km (0.048 R)
• M40: 14,905,782 km (0.088 R)
• M41: 15,062,262 km (0.081 R)
• M42: 15,429,375 km (0.082 R)
• M43: 15,534,841 km (0.104 R)
• M44: 16,764,685 km (0.097 R)
• M45: 17,914,644 km (0.058 R)
• M46: 18,976,789 km (0.051 R)
• M47: 19,601,061 km (0.098 R)
• M48: 20,001,834 km (0.119 R)
• M49: 20,578,982 km (0.106 R)
• M50: 21,396,385 km (0.102 R)
• M51: 21,749,885 km (0.095 R)
• M52: 23,424,932 km (0.118 R)
• M53: 23,485,519 km (0.09 R)
• M54: 23,850,239 km (0.047 R)
• M55: 24,955,318 km (0.1 R)
• M56: 25,951,640 km (0.093 R)
• M57: 26,328,627 km (0.072 R)
• M58: 26,454,738 km (0.087 R)
• M59: 26,834,118 km (0.07 R)
• M60: 27,024,407 km (0.101 R)
• M61: 27,534,386 km (0.116 R)
• M62: 28,563,469 km (0.096 R)
• M63: 29,213,173 km (0.12 R)
• M64: 29,605,269 km (0.086 R)
• M65: 29,670,793 km (0.06 R)
• M66: 29,736,317 km (0.05 R)
• M67: 30,196,779 km (0.116 R)
• M68: 30,659,485 km (0.062 R)
• M69: 33,689,590 km (0.114 R)
• M70: 34,444,611 km (0.109 R)
• M71: 35,413,706 km (0.111 R)
• M72: 36,321,615 km (0.105 R)
• M73: 36,391,776 km (0.035 R)
• M74: 37,804,280 km (0.11 R)
• M75: 38,017,756 km (0.089 R)
• M76: 38,231,531 km (0.055 R)
• M77: 40,682,692 km (0.103 R)
• M78: 40,755,546 km (0.053 R)
• M79: 43,705,467 km (0.083 R)
• M80: 44,153,812 km (0.12 R)
• M81: 45,130,536 km (0.09 R)
• M82: 46,038,446 km (0.039 R)
• M83: 47,718,579 km (0.068 R)
• M84: 50,354,344 km (0.082 R)
• M85: 50,432,584 km (0.099 R)
• M86: 50,745,991 km (0.114 R)
• M87: 51,532,278 km (0.115 R)
• M88: 51,847,780 km (0.098 R)
• M89: 52,322,454 km (0.059 R)
• M90: 52,639,601 km (0.055 R)
• M91: 53,196,404 km (0.071 R)

Asteroid Belt

Center: 7.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74

Radius: 5.4

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.62 AU - 9.06 AU

Year: 14401 Days

Day: 17.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 29,111,830 km

• M1: 115,340 km (0.117 R)
• M2: 188,942 km (0.098 R)
• M3: 257,308 km (0.12 R)
• M4: 326,123 km (0.078 R)
• M5: 504,743 km (0.049 R)
• M6: 687,701 km (0.04 R)
• M7: 931,097 km (0.106 R)
• M8: 1,055,413 km (0.103 R)
• M9: 1,523,804 km (0.06 R)
• M10: 1,704,069 km (0.086 R)
• M11: 2,782,820 km (0.118 R)
• M12: 2,842,360 km (0.088 R)
• M13: 3,003,177 km (0.063 R)
• M14: 4,439,766 km (0.092 R)
• M15: 4,720,860 km (0.118 R)
• M16: 5,056,109 km (0.083 R)
• M17: 5,648,367 km (0.109 R)
• M18: 5,825,341 km (0.108 R)
• M19: 6,004,111 km (0.115 R)
• M20: 6,603,998 km (0.069 R)
• M21: 7,553,196 km (0.11 R)
• M22: 8,515,410 km (0.052 R)
• M23: 8,631,049 km (0.108 R)
• M24: 9,010,729 km (0.112 R)
• M25: 9,847,130 km (0.112 R)
• M26: 10,029,490 km (0.091 R)
• M27: 10,801,565 km (0.118 R)
• M28: 11,688,830 km (0.104 R)
• M29: 12,963,104 km (0.107 R)
• M30: 13,162,967 km (0.078 R)
• M31: 13,431,196 km (0.117 R)
• M32: 13,599,643 km (0.105 R)
• M33: 13,904,823 km (0.09 R)
• M34: 14,521,765 km (0.093 R)
• M35: 14,764,113 km (0.064 R)
• M36: 14,938,095 km (0.064 R)
• M37: 15,499,087 km (0.08 R)
• M38: 15,924,544 km (0.078 R)
• M39: 16,786,676 km (0.077 R)
• M40: 17,004,640 km (0.093 R)
• M41: 17,959,823 km (0.099 R)
• M42: 18,145,474 km (0.09 R)
• M43: 18,182,724 km (0.056 R)
• M44: 18,556,120 km (0.088 R)
• M45: 19,539,127 km (0.049 R)
• M46: 20,500,144 km (0.119 R)
• M47: 21,990,139 km (0.091 R)
• M48: 22,188,655 km (0.031 R)
• M49: 22,748,002 km (0.095 R)
• M50: 24,003,128 km (0.086 R)
• M51: 24,248,618 km (0.075 R)
• M52: 24,412,727 km (0.059 R)
• M53: 25,655,287 km (0.114 R)
• M54: 26,284,346 km (0.096 R)
• M55: 26,918,491 km (0.109 R)
• M56: 27,173,556 km (0.118 R)
• M57: 27,216,191 km (0.107 R)
• M58: 27,386,733 km (0.091 R)
• M59: 28,115,573 km (0.049 R)
• M60: 28,504,079 km (0.09 R)
• M61: 28,590,547 km (0.084 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 11,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit