🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.64 AU - 0.74 AU

Year: 211 Days

Day: 38.5 Hours

Environment

Temp: 177 °C

Axial Tilt: 160.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.78 AU - 0.84 AU

Year: 269 Days

Day: 19.8 Hours

Environment

Temp: 83 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.61 AU - 3.01 AU

Year: 1738 Days

Day: 15.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.78 AU - 3.38 AU

Year: 1994 Days

Day: 28.8 Hours

Environment

Temp: -113 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.95 AU - 5.17 AU

Year: 3593 Days

Day: 47.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.3

Radius: 10.9

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.88 AU - 7.1 AU

Year: 5409 Days

Day: 6.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 48,494,622 km

• M1: 239,805 km (0.117 R)
• M2: 430,543 km (0.06 R)
• M3: 531,820 km (0.097 R)
• M4: 689,347 km (0.114 R)
• M5: 1,038,957 km (0.092 R)
• M6: 1,167,611 km (0.095 R)
• M7: 1,553,424 km (0.104 R)
• M8: 1,995,785 km (0.069 R)
• M9: 2,612,128 km (0.083 R)
• M10: 2,750,357 km (0.09 R)
• M11: 2,850,438 km (0.098 R)
• M12: 2,931,520 km (0.101 R)
• M13: 3,095,928 km (0.105 R)
• M14: 3,305,963 km (0.081 R)
• M15: 3,585,861 km (0.109 R)
• M16: 3,717,657 km (0.07 R)
• M17: 3,851,248 km (0.104 R)
• M18: 4,261,295 km (0.114 R)
• M19: 4,927,006 km (0.084 R)
• M20: 5,000,309 km (0.077 R)
• M21: 5,123,278 km (0.099 R)
• M22: 5,222,312 km (0.073 R)
• M23: 5,447,606 km (0.057 R)
• M24: 5,625,179 km (0.096 R)
• M25: 5,907,919 km (0.089 R)
• M26: 6,038,069 km (0.059 R)
• M27: 6,434,055 km (0.103 R)
• M28: 6,514,239 km (0.117 R)
• M29: 7,002,826 km (0.119 R)
• M30: 7,251,458 km (0.047 R)
• M31: 7,587,604 km (0.114 R)
• M32: 7,672,426 km (0.083 R)
• M33: 8,159,217 km (0.094 R)
• M34: 8,450,335 km (0.054 R)
• M35: 8,656,032 km (0.091 R)
• M36: 8,833,754 km (0.117 R)
• M37: 9,313,664 km (0.067 R)
• M38: 9,771,135 km (0.12 R)
• M39: 9,894,403 km (0.049 R)
• M40: 10,049,237 km (0.097 R)
• M41: 10,581,656 km (0.118 R)
• M42: 10,835,374 km (0.104 R)
• M43: 11,187,677 km (0.103 R)
• M44: 11,478,645 km (0.081 R)
• M45: 11,641,407 km (0.056 R)
• M46: 11,903,353 km (0.112 R)
• M47: 12,233,515 km (0.104 R)
• M48: 12,333,297 km (0.119 R)
• M49: 12,633,839 km (0.096 R)
• M50: 12,734,668 km (0.079 R)
• M51: 13,174,336 km (0.118 R)
• M52: 13,276,512 km (0.082 R)
• M53: 13,481,611 km (0.08 R)
• M54: 13,895,099 km (0.045 R)
• M55: 14,452,800 km (0.074 R)
• M56: 15,231,756 km (0.082 R)
• M57: 15,446,579 km (0.052 R)
• M58: 17,163,812 km (0.12 R)
• M59: 17,238,163 km (0.042 R)
• M60: 18,139,490 km (0.035 R)
• M61: 18,519,618 km (0.054 R)
• M62: 18,595,913 km (0.064 R)
• M63: 19,442,487 km (0.117 R)
• M64: 20,696,417 km (0.094 R)
• M65: 20,815,197 km (0.112 R)
• M66: 21,213,128 km (0.038 R)
• M67: 22,503,409 km (0.102 R)
• M68: 22,666,471 km (0.049 R)
• M69: 22,748,151 km (0.096 R)
• M70: 23,570,341 km (0.12 R)
• M71: 23,943,588 km (0.115 R)
• M72: 24,276,892 km (0.116 R)
• M73: 24,402,405 km (0.093 R)
• M74: 24,695,766 km (0.044 R)
• M75: 24,864,064 km (0.102 R)
• M76: 25,668,302 km (0.032 R)
• M77: 25,924,114 km (0.113 R)
• M78: 26,309,329 km (0.068 R)
• M79: 26,912,208 km (0.092 R)
• M80: 27,432,809 km (0.046 R)
• M81: 27,694,306 km (0.051 R)
• M82: 28,483,734 km (0.078 R)
• M83: 28,615,978 km (0.033 R)
• M84: 28,704,241 km (0.078 R)
• M85: 28,881,215 km (0.086 R)
• M86: 29,147,200 km (0.032 R)
• M87: 29,547,823 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.3

Radius: 8.8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.95 AU - 6.43 AU

Year: 5682 Days

Day: 8.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 48,494,622 km

• M1: 155,133 km (0.062 R)
• M2: 218,562 km (0.107 R)
• M3: 372,947 km (0.095 R)
• M4: 475,272 km (0.111 R)
• M5: 642,822 km (0.114 R)
• M6: 699,370 km (0.037 R)
• M7: 805,734 km (0.113 R)
• M8: 1,463,815 km (0.087 R)
• M9: 1,665,473 km (0.106 R)
• M10: 1,843,495 km (0.113 R)
• M11: 2,130,722 km (0.052 R)
• M12: 2,823,510 km (0.063 R)
• M13: 3,214,709 km (0.06 R)
• M14: 3,335,434 km (0.101 R)
• M15: 3,478,150 km (0.105 R)
• M16: 3,982,894 km (0.119 R)
• M17: 4,112,745 km (0.11 R)
• M18: 4,398,925 km (0.078 R)
• M19: 4,691,539 km (0.103 R)
• M20: 5,107,271 km (0.094 R)
• M21: 5,224,855 km (0.09 R)
• M22: 6,172,857 km (0.107 R)
• M23: 6,704,977 km (0.114 R)
• M24: 6,885,691 km (0.107 R)
• M25: 7,094,230 km (0.042 R)
• M26: 7,570,999 km (0.109 R)
• M27: 7,678,260 km (0.065 R)
• M28: 8,195,121 km (0.077 R)
• M29: 8,388,401 km (0.079 R)
• M30: 8,695,227 km (0.103 R)
• M31: 9,406,116 km (0.1 R)
• M32: 11,432,718 km (0.098 R)
• M33: 11,494,203 km (0.113 R)
• M34: 11,586,804 km (0.073 R)
• M35: 11,928,485 km (0.041 R)
• M36: 13,198,721 km (0.116 R)
• M37: 13,295,810 km (0.037 R)
• M38: 13,393,049 km (0.055 R)
• M39: 13,457,974 km (0.062 R)
• M40: 13,718,873 km (0.083 R)
• M41: 13,849,920 km (0.103 R)
• M42: 13,915,594 km (0.096 R)
• M43: 14,278,668 km (0.068 R)
• M44: 14,411,511 km (0.081 R)
• M45: 14,913,412 km (0.118 R)
• M46: 15,149,477 km (0.118 R)
• M47: 15,217,245 km (0.058 R)
• M48: 16,175,569 km (0.088 R)
• M49: 16,279,390 km (0.09 R)
• M50: 16,418,217 km (0.059 R)
• M51: 16,836,941 km (0.085 R)
• M52: 16,942,108 km (0.069 R)
• M53: 17,047,575 km (0.083 R)
• M54: 17,365,321 km (0.096 R)
• M55: 17,436,230 km (0.11 R)
• M56: 18,042,401 km (0.093 R)
• M57: 18,258,121 km (0.111 R)
• M58: 18,474,589 km (0.076 R)
• M59: 18,728,157 km (0.1 R)
• M60: 19,238,885 km (0.074 R)
• M61: 19,422,441 km (0.108 R)
• M62: 20,348,751 km (0.114 R)
• M63: 20,573,298 km (0.107 R)
• M64: 20,873,840 km (0.105 R)
• M65: 21,631,553 km (0.075 R)
• M66: 21,707,848 km (0.081 R)
• M67: 21,937,331 km (0.116 R)
• M68: 22,128,966 km (0.078 R)
• M69: 22,244,306 km (0.091 R)
• M70: 22,398,392 km (0.108 R)
• M71: 23,291,192 km (0.034 R)
• M72: 23,565,255 km (0.064 R)
• M73: 23,643,644 km (0.093 R)
• M74: 23,998,042 km (0.076 R)
• M75: 24,632,187 km (0.068 R)
• M76: 25,031,314 km (0.11 R)
• M77: 25,151,591 km (0.108 R)
• M78: 25,553,411 km (0.067 R)
• M79: 25,714,827 km (0.118 R)
• M80: 25,836,151 km (0.043 R)
• M81: 25,957,624 km (0.106 R)
• M82: 26,404,473 km (0.104 R)
• M83: 26,690,205 km (0.106 R)
• M84: 26,813,025 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.2

Radius: 10.3

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.69 AU - 8.69 AU

Year: 7868 Days

Day: 6.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 48,494,622 km

• M1: 138,079 km (0.094 R)
• M2: 208,240 km (0.094 R)
• M3: 294,109 km (0.05 R)
• M4: 666,758 km (0.073 R)
• M5: 768,933 km (0.105 R)
• M6: 845,527 km (0.097 R)
• M7: 957,426 km (0.061 R)
• M8: 1,305,541 km (0.112 R)
• M9: 1,379,741 km (0.093 R)
• M10: 1,552,527 km (0.052 R)
• M11: 2,091,528 km (0.108 R)
• M12: 2,268,502 km (0.073 R)
• M13: 2,566,950 km (0.108 R)
• M14: 3,458,254 km (0.086 R)
• M15: 3,641,960 km (0.091 R)
• M16: 3,991,870 km (0.115 R)
• M17: 4,579,939 km (0.112 R)
• M18: 4,782,046 km (0.1 R)
• M19: 4,928,203 km (0.096 R)
• M20: 5,016,765 km (0.056 R)
• M21: 5,105,626 km (0.106 R)
• M22: 5,285,143 km (0.105 R)
• M23: 5,375,799 km (0.071 R)
• M24: 6,567,347 km (0.073 R)
• M25: 7,026,313 km (0.108 R)
• M26: 7,293,345 km (0.101 R)
• M27: 7,529,710 km (0.097 R)
• M28: 7,631,885 km (0.082 R)
• M29: 8,044,775 km (0.093 R)
• M30: 8,219,057 km (0.085 R)
• M31: 8,324,224 km (0.045 R)
• M32: 8,964,503 km (0.088 R)
• M33: 9,327,128 km (0.047 R)
• M34: 10,672,162 km (0.116 R)
• M35: 10,748,607 km (0.057 R)
• M36: 10,979,287 km (0.095 R)
• M37: 11,289,254 km (0.113 R)
• M38: 11,523,674 km (0.101 R)
• M39: 11,641,557 km (0.094 R)
• M40: 11,838,727 km (0.114 R)
• M41: 12,196,565 km (0.034 R)
• M42: 12,276,600 km (0.089 R)
• M43: 12,397,026 km (0.117 R)
• M44: 12,719,858 km (0.117 R)
• M45: 13,415,189 km (0.097 R)
• M46: 15,056,427 km (0.1 R)
• M47: 15,835,234 km (0.116 R)
• M48: 17,027,978 km (0.097 R)
• M49: 17,341,834 km (0.056 R)
• M50: 17,702,963 km (0.114 R)
• M51: 19,079,264 km (0.045 R)
• M52: 19,218,689 km (0.094 R)
• M53: 19,405,237 km (0.111 R)
• M54: 19,498,736 km (0.113 R)
• M55: 19,780,130 km (0.083 R)
• M56: 20,015,746 km (0.107 R)
• M57: 20,537,244 km (0.044 R)
• M58: 20,632,538 km (0.092 R)
• M59: 21,836,053 km (0.084 R)
• M60: 22,372,810 km (0.064 R)
• M61: 23,062,307 km (0.112 R)
• M62: 25,274,411 km (0.119 R)
• M63: 25,376,586 km (0.088 R)
• M64: 25,992,331 km (0.107 R)
• M65: 28,663,999 km (0.086 R)
• M66: 28,877,176 km (0.043 R)
• M67: 29,305,176 km (0.11 R)
• M68: 29,412,587 km (0.051 R)
• M69: 29,573,853 km (0.092 R)
• M70: 29,735,419 km (0.08 R)
• M71: 31,531,641 km (0.051 R)
• M72: 31,696,647 km (0.039 R)
• M73: 32,082,909 km (0.071 R)
• M74: 32,748,619 km (0.081 R)
• M75: 33,195,020 km (0.113 R)
• M76: 33,362,868 km (0.069 R)
• M77: 34,489,340 km (0.073 R)
• M78: 34,886,672 km (0.106 R)
• M79: 35,399,643 km (0.078 R)
• M80: 35,800,266 km (0.076 R)
• M81: 37,069,455 km (0.117 R)
• M82: 37,943,106 km (0.065 R)
• M83: 38,764,847 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.5

Radius: 5.4

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 17.18 AU - 18.8 AU

Year: 28153 Days

Day: 18.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 48,494,622 km

• M1: 204,201 km (0.057 R)
• M2: 281,992 km (0.078 R)
• M3: 411,843 km (0.052 R)
• M4: 498,909 km (0.097 R)
• M5: 592,408 km (0.092 R)
• M6: 1,041,949 km (0.06 R)
• M7: 2,105,440 km (0.088 R)
• M8: 2,416,155 km (0.08 R)
• M9: 3,195,560 km (0.097 R)
• M10: 3,858,279 km (0.075 R)
• M11: 3,983,193 km (0.114 R)
• M12: 4,861,332 km (0.06 R)
• M13: 5,689,955 km (0.116 R)
• M14: 6,011,890 km (0.073 R)
• M15: 6,084,295 km (0.119 R)
• M16: 6,229,854 km (0.114 R)
• M17: 7,630,090 km (0.093 R)
• M18: 8,751,475 km (0.117 R)
• M19: 8,792,465 km (0.071 R)
• M20: 11,590,693 km (0.073 R)
• M21: 11,771,258 km (0.094 R)
• M22: 12,089,453 km (0.084 R)
• M23: 14,588,635 km (0.051 R)
• M24: 15,225,174 km (0.084 R)
• M25: 17,188,795 km (0.092 R)
• M26: 17,498,014 km (0.043 R)
• M27: 18,647,075 km (0.044 R)
• M28: 18,911,564 km (0.057 R)
• M29: 20,090,246 km (0.099 R)
• M30: 20,415,771 km (0.109 R)
• M31: 21,072,206 km (0.106 R)
• M32: 24,572,049 km (0.104 R)
• M33: 24,803,925 km (0.1 R)
• M34: 24,978,356 km (0.119 R)
• M35: 25,504,043 km (0.096 R)
• M36: 25,974,379 km (0.077 R)
• M37: 26,506,798 km (0.092 R)
• M38: 26,744,659 km (0.106 R)
• M39: 27,703,132 km (0.118 R)
• M40: 29,345,717 km (0.089 R)
• M41: 31,333,124 km (0.063 R)
• M42: 31,521,767 km (0.103 R)
• M43: 31,647,579 km (0.043 R)
• M44: 31,773,690 km (0.084 R)
• M45: 32,026,361 km (0.099 R)
• M46: 32,915,870 km (0.043 R)
• M47: 33,107,505 km (0.116 R)
• M48: 33,491,971 km (0.055 R)
• M49: 33,620,326 km (0.054 R)
• M50: 33,684,653 km (0.107 R)
• M51: 34,265,243 km (0.112 R)
• M52: 35,305,397 km (0.108 R)
• M53: 35,960,785 km (0.056 R)
• M54: 36,487,968 km (0.071 R)
• M55: 36,885,150 km (0.094 R)
• M56: 37,150,537 km (0.049 R)
• M57: 38,286,134 km (0.115 R)
• M58: 39,026,943 km (0.111 R)
• M59: 39,976,590 km (0.113 R)
• M60: 40,112,874 km (0.062 R)
• M61: 40,181,090 km (0.116 R)
• M62: 40,796,536 km (0.111 R)
• M63: 40,933,867 km (0.064 R)
• M64: 43,639,943 km (0.101 R)
• M65: 44,202,132 km (0.091 R)
• M66: 44,554,734 km (0.081 R)
• M67: 44,837,623 km (0.091 R)
• M68: 44,908,383 km (0.102 R)
• M69: 46,331,807 km (0.098 R)
• M70: 48,349,433 km (0.117 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: 265 - 13,095 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit