🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.44 AU - 0.58 AU

Year: 139 Days

Day: 27 Hours

Environment

Temp: 224 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.67 AU - 0.77 AU

Year: 233 Days

Day: 23.9 Hours

Environment

Temp: 124 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.78 AU - 0.92 AU

Year: 298 Days

Day: 21.5 Hours

Environment

Temp: 40 °C

Axial Tilt: 49.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 64,170,972 km

• M1: 59,540 km (0.091 R)
• M2: 472,879 km (0.038 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.74 AU - 1.22 AU

Year: 369 Days

Day: 26.9 Hours

Environment

Temp: -1 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.37 AU - 1.81 AU

Year: 763 Days

Day: 21.5 Hours

Environment

Temp: -53 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.51 AU - 3.45 AU

Year: 1959 Days

Day: 28.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319

Radius: 13.1

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.09 AU - 4.23 AU

Year: 3231 Days

Day: 11 Hours

Environment

Temp: -143 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 64,170,972 km

• M1: 180,265 km (0.101 R)
• M2: 547,678 km (0.094 R)
• M3: 769,531 km (0.075 R)
• M4: 956,529 km (0.099 R)
• M5: 1,149,660 km (0.114 R)
• M6: 1,241,064 km (0.063 R)
• M7: 1,356,404 km (0.068 R)
• M8: 1,442,572 km (0.098 R)
• M9: 1,748,051 km (0.109 R)
• M10: 1,830,779 km (0.12 R)
• M11: 2,099,606 km (0.068 R)
• M12: 2,277,478 km (0.105 R)
• M13: 2,381,449 km (0.053 R)
• M14: 2,473,900 km (0.112 R)
• M15: 2,716,997 km (0.104 R)
• M16: 2,953,960 km (0.11 R)
• M17: 3,418,611 km (0.036 R)
• M18: 3,659,613 km (0.112 R)
• M19: 3,782,283 km (0.099 R)
• M20: 3,890,891 km (0.101 R)
• M21: 4,079,384 km (0.091 R)
• M22: 4,190,685 km (0.083 R)
• M23: 4,449,041 km (0.094 R)
• M24: 4,696,176 km (0.096 R)
• M25: 5,342,439 km (0.064 R)
• M26: 5,676,192 km (0.108 R)
• M27: 5,980,624 km (0.109 R)
• M28: 6,253,640 km (0.05 R)
• M29: 6,438,094 km (0.09 R)
• M30: 6,568,244 km (0.094 R)
• M31: 6,717,992 km (0.091 R)
• M32: 7,425,739 km (0.116 R)
• M33: 7,640,861 km (0.086 R)
• M34: 7,739,296 km (0.086 R)
• M35: 8,237,906 km (0.115 R)
• M36: 8,501,198 km (0.115 R)
• M37: 8,664,709 km (0.115 R)
• M38: 9,015,665 km (0.083 R)
• M39: 10,400,194 km (0.103 R)
• M40: 10,707,168 km (0.118 R)
• M41: 10,883,843 km (0.091 R)
• M42: 11,039,276 km (0.1 R)
• M43: 11,397,263 km (0.107 R)
• M44: 11,532,649 km (0.099 R)
• M45: 11,827,507 km (0.106 R)
• M46: 12,262,986 km (0.057 R)
• M47: 12,378,476 km (0.112 R)
• M48: 12,727,188 km (0.078 R)
• M49: 12,937,972 km (0.098 R)
• M50: 13,458,124 km (0.102 R)
• M51: 13,625,075 km (0.093 R)
• M52: 14,421,235 km (0.11 R)
• M53: 14,788,198 km (0.071 R)
• M54: 15,009,902 km (0.055 R)
• M55: 15,282,320 km (0.081 R)
• M56: 15,681,447 km (0.118 R)
• M57: 15,907,490 km (0.084 R)
• M58: 16,160,011 km (0.062 R)
• M59: 16,261,289 km (0.07 R)
• M60: 16,464,742 km (0.091 R)
• M61: 16,592,199 km (0.088 R)
• M62: 16,796,999 km (0.09 R)
• M63: 16,951,084 km (0.113 R)
• M64: 17,157,230 km (0.1 R)
• M65: 17,416,184 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.5

Radius: 14.8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.89 AU - 10.53 AU

Year: 11522 Days

Day: 14.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 64,170,972 km

• M1: 185,950 km (0.085 R)
• M2: 281,992 km (0.081 R)
• M3: 1,141,282 km (0.093 R)
• M4: 1,496,876 km (0.075 R)
• M5: 1,701,227 km (0.052 R)
• M6: 1,915,302 km (0.104 R)
• M7: 2,081,954 km (0.096 R)
• M8: 2,400,298 km (0.071 R)
• M9: 2,672,716 km (0.046 R)
• M10: 2,765,765 km (0.114 R)
• M11: 2,923,442 km (0.082 R)
• M12: 3,414,871 km (0.076 R)
• M13: 4,475,519 km (0.116 R)
• M14: 5,472,440 km (0.105 R)
• M15: 7,135,818 km (0.092 R)
• M16: 8,991,131 km (0.088 R)
• M17: 9,227,346 km (0.056 R)
• M18: 11,088,194 km (0.093 R)
• M19: 12,742,896 km (0.072 R)
• M20: 13,008,432 km (0.103 R)
• M21: 13,815,962 km (0.118 R)
• M22: 13,924,869 km (0.039 R)
• M23: 14,088,828 km (0.112 R)
• M24: 15,141,848 km (0.108 R)
• M25: 15,423,092 km (0.117 R)
• M26: 15,706,131 km (0.046 R)
• M27: 16,972,178 km (0.116 R)
• M28: 17,913,447 km (0.116 R)
• M29: 18,811,184 km (0.101 R)
• M30: 19,478,989 km (0.075 R)
• M31: 20,340,074 km (0.085 R)
• M32: 21,276,557 km (0.117 R)
• M33: 21,591,760 km (0.075 R)
• M34: 21,972,187 km (0.118 R)
• M35: 23,062,008 km (0.116 R)
• M36: 25,294,158 km (0.076 R)
• M37: 26,639,192 km (0.106 R)
• M38: 26,842,944 km (0.093 R)
• M39: 27,115,362 km (0.076 R)
• M40: 27,869,485 km (0.108 R)
• M41: 29,609,009 km (0.08 R)
• M42: 31,526,854 km (0.114 R)
• M43: 31,670,468 km (0.111 R)
• M44: 32,464,533 km (0.101 R)
• M45: 32,900,461 km (0.116 R)
• M46: 33,046,170 km (0.114 R)
• M47: 34,441,319 km (0.096 R)
• M48: 36,155,861 km (0.116 R)
• M49: 36,607,796 km (0.104 R)
• M50: 36,834,287 km (0.068 R)
• M51: 37,061,376 km (0.094 R)
• M52: 37,669,342 km (0.112 R)
• M53: 37,821,782 km (0.118 R)
• M54: 39,203,319 km (0.074 R)
• M55: 40,133,668 km (0.086 R)
• M56: 40,836,030 km (0.049 R)
• M57: 40,992,659 km (0.117 R)
• M58: 41,385,204 km (0.101 R)
• M59: 42,253,171 km (0.1 R)
• M60: 42,411,595 km (0.076 R)
• M61: 42,888,214 km (0.116 R)
• M62: 43,526,248 km (0.067 R)
• M63: 44,167,575 km (0.034 R)
• M64: 44,408,876 km (0.053 R)
• M65: 45,135,473 km (0.067 R)
• M66: 45,540,733 km (0.089 R)
• M67: 45,703,197 km (0.11 R)
• M68: 46,845,975 km (0.097 R)
• M69: 47,092,063 km (0.099 R)
• M70: 47,256,322 km (0.118 R)
• M71: 48,909,827 km (0.117 R)
• M72: 49,911,086 km (0.119 R)
• M73: 50,162,410 km (0.111 R)
• M74: 51,848,827 km (0.066 R)
• M75: 52,018,620 km (0.054 R)
• M76: 52,443,628 km (0.104 R)
• M77: 52,955,103 km (0.066 R)
• M78: 53,553,943 km (0.095 R)
• M79: 54,499,551 km (0.078 R)
• M80: 56,843,900 km (0.025 R)
• M81: 58,601,675 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.8

Radius: 3.3

Gravity: 34.14 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 11.8 AU - 17.2 AU

Year: 21026 Days

Day: 17.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 64,170,972 km

• M1: 51,611 km (0.084 R)
• M2: 170,841 km (0.119 R)
• M3: 264,788 km (0.095 R)
• M4: 391,049 km (0.076 R)
• M5: 460,911 km (0.1 R)
• M6: 612,902 km (0.064 R)
• M7: 890,855 km (0.1 R)
• M8: 1,153,250 km (0.118 R)
• M9: 1,279,959 km (0.108 R)
• M10: 1,743,713 km (0.061 R)
• M11: 1,772,585 km (0.065 R)
• M12: 2,038,720 km (0.082 R)
• M13: 2,130,124 km (0.042 R)
• M14: 2,191,908 km (0.1 R)
• M15: 3,766,725 km (0.099 R)
• M16: 3,954,470 km (0.11 R)
• M17: 4,979,365 km (0.093 R)
• M18: 5,143,923 km (0.1 R)
• M19: 5,648,367 km (0.084 R)
• M20: 6,256,632 km (0.079 R)
• M21: 6,976,945 km (0.097 R)
• M22: 7,300,226 km (0.091 R)
• M23: 7,628,295 km (0.091 R)
• M24: 7,817,985 km (0.071 R)
• M25: 8,739,956 km (0.098 R)
• M26: 8,838,990 km (0.116 R)
• M27: 9,088,220 km (0.056 R)
• M28: 9,390,408 km (0.113 R)
• M29: 9,644,575 km (0.08 R)
• M30: 10,790,046 km (0.083 R)
• M31: 10,896,410 km (0.076 R)
• M32: 11,271,003 km (0.084 R)
• M33: 11,704,238 km (0.099 R)
• M34: 12,587,015 km (0.04 R)
• M35: 13,835,409 km (0.103 R)
• M36: 14,885,736 km (0.086 R)
• M37: 15,063,309 km (0.062 R)
• M38: 17,434,285 km (0.096 R)
• M39: 17,997,671 km (0.096 R)
• M40: 19,078,067 km (0.082 R)
• M41: 19,529,104 km (0.112 R)
• M42: 20,375,828 km (0.106 R)
• M43: 20,969,134 km (0.116 R)
• M44: 21,903,073 km (0.086 R)
• M45: 22,105,030 km (0.047 R)
• M46: 22,578,507 km (0.116 R)
• M47: 23,949,722 km (0.107 R)
• M48: 24,157,663 km (0.075 R)
• M49: 24,296,639 km (0.1 R)
• M50: 26,199,075 km (0.06 R)
• M51: 26,413,299 km (0.051 R)
• M52: 26,700,078 km (0.051 R)
• M53: 27,348,735 km (0.114 R)
• M54: 29,103,967 km (0.103 R)
• M55: 29,177,868 km (0.056 R)
• M56: 29,696,973 km (0.045 R)
• M57: 29,771,472 km (0.087 R)
• M58: 29,845,972 km (0.098 R)
• M59: 30,970,649 km (0.071 R)
• M60: 31,197,140 km (0.109 R)
• M61: 31,272,836 km (0.075 R)
• M62: 31,804,059 km (0.106 R)
• M63: 34,818,156 km (0.12 R)
• M64: 36,001,476 km (0.098 R)
• M65: 37,037,590 km (0.114 R)
• M66: 38,813,168 km (0.063 R)
• M67: 39,465,713 km (0.094 R)
• M68: 39,547,544 km (0.052 R)
• M69: 39,629,374 km (0.098 R)
• M70: 39,957,442 km (0.11 R)
• M71: 40,286,557 km (0.117 R)
• M72: 40,451,264 km (0.079 R)
• M73: 40,533,842 km (0.078 R)
• M74: 41,278,840 km (0.051 R)
• M75: 41,361,866 km (0.03 R)
• M76: 42,279,201 km (0.066 R)
• M77: 43,371,863 km (0.115 R)
• M78: 44,729,464 km (0.045 R)
• M79: 45,242,136 km (0.053 R)
• M80: 47,834,518 km (0.112 R)
• M81: 48,621,552 km (0.11 R)
• M82: 49,148,735 km (0.105 R)
• M83: 50,031,362 km (0.101 R)
• M84: 54,158,618 km (0.078 R)
• M85: 58,207,185 km (0.031 R)
• M86: 59,985,305 km (0.102 R)
• M87: 60,361,843 km (0.094 R)
• M88: 61,306,853 km (0.103 R)
• M89: 61,686,233 km (0.107 R)
• M90: 61,781,228 km (0.087 R)
• M91: 63,403,018 km (0.117 R)
• M92: 64,170,904 km (0.106 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: 387 - 16,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit