🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.61 AU - 0.71 AU

Year: 203 Days

Day: 41.1 Hours

Environment

Temp: 139 °C

Axial Tilt: 41.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.76 AU - 0.9 AU

Year: 286 Days

Day: 12.9 Hours

Environment

Temp: 136 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,732,276 km

• M1: 428,299 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.99 AU - 1.15 AU

Year: 419 Days

Day: 30.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 26.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 62,732,276 km

• M1: 99,931 km (0.082 R)
• M2: 503,846 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.99 AU - 1.27 AU

Year: 455 Days

Day: 43 Hours

Environment

Temp: -16 °C

Axial Tilt: 32.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.78 AU - 2.62 AU

Year: 1236 Days

Day: 15.3 Hours

Environment

Temp: -93 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.19 AU - 3.25 AU

Year: 1699 Days

Day: 17.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,732,276 km

• M1: 1,329,027 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.8

Radius: 14.4

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.79 AU - 7.65 AU

Year: 7348 Days

Day: 9.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 62,732,276 km

• M1: 187,895 km (0.11 R)
• M2: 289,322 km (0.047 R)
• M3: 482,453 km (0.07 R)
• M4: 572,212 km (0.113 R)
• M5: 941,719 km (0.067 R)
• M6: 1,277,566 km (0.051 R)
• M7: 1,481,169 km (0.074 R)
• M8: 1,875,509 km (0.051 R)
• M9: 1,967,661 km (0.083 R)
• M10: 2,093,173 km (0.072 R)
• M11: 2,319,515 km (0.069 R)
• M12: 2,435,753 km (0.112 R)
• M13: 2,571,139 km (0.099 R)
• M14: 2,849,690 km (0.111 R)
• M15: 3,028,908 km (0.056 R)
• M16: 3,138,264 km (0.116 R)
• M17: 3,323,616 km (0.1 R)
• M18: 3,531,707 km (0.11 R)
• M19: 3,941,156 km (0.111 R)
• M20: 4,202,503 km (0.037 R)
• M21: 4,428,097 km (0.065 R)
• M22: 4,721,010 km (0.078 R)
• M23: 6,233,145 km (0.093 R)
• M24: 6,585,897 km (0.078 R)
• M25: 6,945,081 km (0.064 R)
• M26: 7,782,979 km (0.072 R)
• M27: 8,445,548 km (0.075 R)
• M28: 8,757,459 km (0.083 R)
• M29: 8,862,178 km (0.093 R)
• M30: 9,179,176 km (0.063 R)
• M31: 10,318,214 km (0.065 R)
• M32: 10,819,965 km (0.097 R)
• M33: 12,050,856 km (0.103 R)
• M34: 12,372,941 km (0.119 R)
• M35: 12,490,674 km (0.1 R)
• M36: 13,325,879 km (0.083 R)
• M37: 13,446,754 km (0.107 R)
• M38: 13,811,324 km (0.034 R)
• M39: 14,025,548 km (0.11 R)
• M40: 14,117,701 km (0.083 R)
• M41: 14,364,388 km (0.101 R)
• M42: 14,488,255 km (0.094 R)
• M43: 14,799,568 km (0.109 R)
• M44: 15,302,217 km (0.107 R)
• M45: 15,619,214 km (0.097 R)
• M46: 15,970,470 km (0.116 R)
• M47: 16,098,825 km (0.092 R)
• M48: 16,324,419 km (0.032 R)
• M49: 18,032,228 km (0.097 R)
• M50: 18,839,608 km (0.06 R)
• M51: 20,454,816 km (0.117 R)
• M52: 20,559,385 km (0.116 R)
• M53: 21,085,072 km (0.109 R)
• M54: 22,042,498 km (0.052 R)
• M55: 22,185,663 km (0.109 R)
• M56: 22,869,326 km (0.099 R)
• M57: 23,523,517 km (0.086 R)
• M58: 24,664,500 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.9

Radius: 11.9

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.94 AU - 9.66 AU

Year: 8251 Days

Day: 11 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 62,732,276 km

• M1: 160,070 km (0.075 R)
• M2: 245,191 km (0.087 R)
• M3: 402,418 km (0.104 R)
• M4: 486,791 km (0.072 R)
• M5: 770,429 km (0.113 R)
• M6: 1,349,971 km (0.109 R)
• M7: 1,540,110 km (0.108 R)
• M8: 1,629,420 km (0.116 R)
• M9: 1,966,314 km (0.101 R)
• M10: 2,284,359 km (0.109 R)
• M11: 2,366,489 km (0.094 R)
• M12: 2,640,552 km (0.096 R)
• M13: 3,289,059 km (0.09 R)
• M14: 3,619,520 km (0.073 R)
• M15: 3,911,386 km (0.119 R)
• M16: 4,060,385 km (0.113 R)
• M17: 4,363,770 km (0.093 R)
• M18: 4,674,784 km (0.115 R)
• M19: 5,100,539 km (0.073 R)
• M20: 6,161,787 km (0.077 R)
• M21: 6,335,619 km (0.061 R)
• M22: 6,926,531 km (0.053 R)
• M23: 7,077,026 km (0.119 R)
• M24: 7,198,201 km (0.108 R)
• M25: 7,689,929 km (0.094 R)
• M26: 8,066,018 km (0.106 R)
• M27: 8,416,077 km (0.12 R)
• M28: 9,098,094 km (0.115 R)
• M29: 9,562,595 km (0.113 R)
• M30: 10,480,528 km (0.052 R)
• M31: 10,792,738 km (0.092 R)
• M32: 11,927,588 km (0.12 R)
• M33: 12,253,562 km (0.073 R)
• M34: 13,211,886 km (0.054 R)
• M35: 13,436,582 km (0.107 R)
• M36: 13,775,720 km (0.11 R)
• M37: 15,870,240 km (0.111 R)
• M38: 15,949,676 km (0.078 R)
• M39: 16,389,195 km (0.059 R)
• M40: 17,035,607 km (0.05 R)
• M41: 17,525,839 km (0.106 R)
• M42: 17,607,969 km (0.077 R)
• M43: 18,311,527 km (0.067 R)
• M44: 18,813,727 km (0.077 R)
• M45: 19,108,884 km (0.117 R)
• M46: 19,193,407 km (0.111 R)
• M47: 20,003,180 km (0.099 R)
• M48: 22,098,298 km (0.083 R)
• M49: 22,187,159 km (0.081 R)
• M50: 23,942,541 km (0.1 R)
• M51: 24,079,423 km (0.113 R)
• M52: 24,952,326 km (0.105 R)
• M53: 25,462,455 km (0.115 R)
• M54: 25,742,203 km (0.115 R)
• M55: 25,835,702 km (0.1 R)
• M56: 26,257,717 km (0.117 R)
• M57: 26,351,815 km (0.093 R)
• M58: 26,446,061 km (0.027 R)
• M59: 26,681,977 km (0.049 R)
• M60: 27,394,212 km (0.105 R)
• M61: 28,498,394 km (0.118 R)
• M62: 29,421,413 km (0.07 R)
• M63: 29,960,414 km (0.111 R)
• M64: 30,650,958 km (0.099 R)
• M65: 30,948,658 km (0.071 R)
• M66: 31,696,797 km (0.08 R)
• M67: 32,804,868 km (0.083 R)
• M68: 33,109,300 km (0.113 R)
• M69: 33,516,655 km (0.104 R)
• M70: 34,284,840 km (0.105 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.1

Radius: 9.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.63 AU - 12.37 AU

Year: 11977 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 62,732,276 km

• M1: 146,008 km (0.109 R)
• M2: 207,791 km (0.09 R)
• M3: 347,965 km (0.112 R)
• M4: 558,150 km (0.107 R)
• M5: 761,304 km (0.108 R)
• M6: 1,056,011 km (0.119 R)
• M7: 1,138,739 km (0.077 R)
• M8: 1,385,725 km (0.102 R)
• M9: 1,539,063 km (0.091 R)
• M10: 1,896,452 km (0.095 R)
• M11: 2,015,682 km (0.086 R)
• M12: 2,155,107 km (0.118 R)
• M13: 2,370,378 km (0.104 R)
• M14: 2,744,672 km (0.066 R)
• M15: 2,919,253 km (0.029 R)
• M16: 3,097,574 km (0.12 R)
• M17: 3,361,464 km (0.102 R)
• M18: 3,423,398 km (0.081 R)
• M19: 3,717,806 km (0.072 R)
• M20: 3,803,376 km (0.089 R)
• M21: 4,086,266 km (0.061 R)
• M22: 4,443,805 km (0.085 R)
• M23: 5,117,444 km (0.12 R)
• M24: 5,674,546 km (0.049 R)
• M25: 6,098,656 km (0.079 R)
• M26: 6,714,850 km (0.072 R)
• M27: 7,136,716 km (0.109 R)
• M28: 7,540,032 km (0.103 R)
• M29: 7,730,919 km (0.084 R)
• M30: 7,923,302 km (0.108 R)
• M31: 8,708,690 km (0.118 R)
• M32: 8,937,725 km (0.102 R)
• M33: 9,343,135 km (0.087 R)
• M34: 9,430,799 km (0.091 R)
• M35: 10,717,640 km (0.11 R)
• M36: 11,024,615 km (0.099 R)
• M37: 11,272,499 km (0.112 R)
• M38: 11,868,347 km (0.05 R)
• M39: 11,995,056 km (0.102 R)
• M40: 12,090,500 km (0.078 R)
• M41: 12,186,093 km (0.063 R)
• M42: 12,378,027 km (0.115 R)
• M43: 13,287,283 km (0.086 R)
• M44: 13,353,106 km (0.061 R)
• M45: 15,204,080 km (0.112 R)
• M46: 15,862,012 km (0.1 R)
• M47: 16,001,736 km (0.078 R)
• M48: 16,884,064 km (0.115 R)
• M49: 17,098,289 km (0.068 R)
• M50: 17,421,121 km (0.094 R)
• M51: 17,746,047 km (0.038 R)
• M52: 18,182,424 km (0.082 R)
• M53: 18,438,536 km (0.117 R)
• M54: 18,917,548 km (0.055 R)
• M55: 19,140,000 km (0.11 R)
• M56: 19,288,701 km (0.106 R)
• M57: 19,363,200 km (0.102 R)
• M58: 19,699,796 km (0.111 R)
• M59: 19,812,443 km (0.117 R)
• M60: 20,038,336 km (0.115 R)
• M61: 20,189,429 km (0.088 R)
• M62: 20,302,974 km (0.069 R)
• M63: 20,835,692 km (0.092 R)
• M64: 21,257,558 km (0.116 R)
• M65: 22,382,983 km (0.069 R)
• M66: 22,972,847 km (0.107 R)
• M67: 23,727,269 km (0.086 R)
• M68: 24,368,745 km (0.105 R)
• M69: 24,570,403 km (0.075 R)
• M70: 24,853,741 km (0.117 R)
• M71: 24,975,365 km (0.038 R)
• M72: 25,260,199 km (0.071 R)
• M73: 25,874,149 km (0.073 R)
• M74: 25,997,567 km (0.112 R)
• M75: 26,783,554 km (0.111 R)
• M76: 26,908,319 km (0.116 R)
• M77: 27,075,120 km (0.119 R)
• M78: 27,367,584 km (0.092 R)
• M79: 28,336,380 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.2

Radius: 7.6

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 12.31 AU - 15.27 AU

Year: 19395 Days

Day: 21.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 62,732,276 km

• M1: 209,587 km (0.099 R)
• M2: 357,090 km (0.102 R)
• M3: 436,377 km (0.077 R)
• M4: 522,396 km (0.057 R)
• M5: 969,394 km (0.09 R)
• M6: 1,108,670 km (0.112 R)
• M7: 1,156,541 km (0.119 R)
• M8: 1,254,528 km (0.083 R)
• M9: 1,304,643 km (0.117 R)
• M10: 1,619,397 km (0.109 R)
• M11: 1,701,825 km (0.078 R)
• M12: 2,165,130 km (0.089 R)
• M13: 2,442,335 km (0.108 R)
• M14: 2,505,465 km (0.109 R)
• M15: 2,698,297 km (0.102 R)
• M16: 2,763,671 km (0.057 R)
• M17: 3,305,664 km (0.062 R)
• M18: 3,410,831 km (0.111 R)
• M19: 3,517,345 km (0.106 R)
• M20: 3,733,514 km (0.027 R)
• M21: 5,865,882 km (0.081 R)
• M22: 5,951,003 km (0.081 R)
• M23: 6,079,358 km (0.106 R)
• M24: 6,514,090 km (0.06 R)
• M25: 7,048,902 km (0.108 R)
• M26: 7,275,842 km (0.068 R)
• M27: 7,367,246 km (0.103 R)
• M28: 7,737,052 km (0.099 R)
• M29: 8,112,842 km (0.059 R)
• M30: 8,494,616 km (0.073 R)
• M31: 8,591,107 km (0.106 R)
• M32: 8,687,747 km (0.118 R)
• M33: 9,374,999 km (0.113 R)
• M34: 11,274,144 km (0.116 R)
• M35: 11,327,102 km (0.04 R)
• M36: 11,486,424 km (0.059 R)
• M37: 12,294,103 km (0.105 R)
• M38: 12,457,912 km (0.117 R)
• M39: 13,963,914 km (0.084 R)
• M40: 14,421,085 km (0.04 R)
• M41: 14,536,275 km (0.057 R)
• M42: 14,767,255 km (0.077 R)
• M43: 15,526,613 km (0.038 R)
• M44: 15,585,555 km (0.076 R)
• M45: 17,083,030 km (0.05 R)
• M46: 17,327,024 km (0.094 R)
• M47: 18,376,154 km (0.119 R)
• M48: 19,700,394 km (0.11 R)
• M49: 23,042,261 km (0.05 R)
• M50: 23,582,309 km (0.036 R)
• M51: 23,650,077 km (0.103 R)
• M52: 23,989,963 km (0.088 R)
• M53: 27,619,507 km (0.088 R)
• M54: 27,762,522 km (0.104 R)
• M55: 27,905,837 km (0.119 R)
• M56: 28,264,872 km (0.114 R)
• M57: 30,083,683 km (0.106 R)
• M58: 30,157,136 km (0.117 R)
• M59: 30,304,340 km (0.063 R)
• M60: 33,603,721 km (0.106 R)
• M61: 34,831,471 km (0.119 R)
• M62: 35,373,165 km (0.097 R)
• M63: 36,151,971 km (0.091 R)
• M64: 36,700,546 km (0.115 R)
• M65: 36,936,462 km (0.082 R)
• M66: 37,093,989 km (0.083 R)
• M67: 37,567,915 km (0.045 R)
• M68: 37,964,499 km (0.064 R)
• M69: 38,681,821 km (0.1 R)
• M70: 39,001,960 km (0.115 R)
• M71: 39,323,147 km (0.065 R)
• M72: 40,048,846 km (0.098 R)
• M73: 40,453,957 km (0.069 R)
• M74: 41,677,219 km (0.105 R)
• M75: 43,909,817 km (0.082 R)
• M76: 44,662,594 km (0.119 R)
• M77: 46,180,863 km (0.079 R)
• M78: 48,835,178 km (0.097 R)
• M79: 49,008,113 km (0.103 R)
• M80: 50,137,278 km (0.052 R)
• M81: 50,399,074 km (0.102 R)
• M82: 51,099,341 km (0.033 R)
• M83: 53,753,956 km (0.08 R)
• M84: 54,469,333 km (0.109 R)
• M85: 55,819,304 km (0.103 R)
• M86: 56,634,612 km (0.117 R)
• M87: 56,816,374 km (0.105 R)
• M88: 56,998,285 km (0.109 R)
• M89: 58,644,011 km (0.031 R)
• M90: 58,827,867 km (0.035 R)
• M91: 59,934,891 km (0.105 R)
• M92: 60,119,943 km (0.03 R)
• M93: 61,982,138 km (0.072 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 13,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit