🌌 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: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.52 AU - 0.78 AU

Year: 193 Days

Day: 17.1 Hours

Environment

Temp: 141 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.89 AU - 0.95 AU

Year: 326 Days

Day: 26 Hours

Environment

Temp: 24 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 54,845,076 km

• M1: 78,389 km (0.043 R)
• M2: 344,823 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.57 AU - 2.17 AU

Year: 943 Days

Day: 19.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,845,076 km

• M1: 1,307,934 km (0.062 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.19 AU - 2.33 AU

Year: 1254 Days

Day: 12.9 Hours

Environment

Temp: -76 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.5

Radius: 14.9

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.76 AU - 8.44 AU

Year: 8506 Days

Day: 5.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 54,845,076 km

• M1: 198,367 km (0.112 R)
• M2: 313,108 km (0.12 R)
• M3: 580,290 km (0.105 R)
• M4: 809,175 km (0.062 R)
• M5: 1,017,714 km (0.037 R)
• M6: 1,226,403 km (0.041 R)
• M7: 1,751,941 km (0.114 R)
• M8: 1,860,998 km (0.117 R)
• M9: 2,040,515 km (0.105 R)
• M10: 2,332,829 km (0.062 R)
• M11: 2,539,573 km (0.085 R)
• M12: 2,676,605 km (0.11 R)
• M13: 2,842,060 km (0.102 R)
• M14: 2,958,597 km (0.055 R)
• M15: 3,482,339 km (0.101 R)
• M16: 3,635,527 km (0.098 R)
• M17: 3,847,956 km (0.106 R)
• M18: 4,182,008 km (0.079 R)
• M19: 4,315,300 km (0.12 R)
• M20: 4,940,619 km (0.098 R)
• M21: 5,709,104 km (0.115 R)
• M22: 5,857,505 km (0.075 R)
• M23: 5,990,348 km (0.116 R)
• M24: 6,276,229 km (0.081 R)
• M25: 6,549,544 km (0.085 R)
• M26: 6,809,246 km (0.101 R)
• M27: 7,019,581 km (0.119 R)
• M28: 7,410,630 km (0.116 R)
• M29: 8,214,419 km (0.027 R)
• M30: 8,892,696 km (0.095 R)
• M31: 9,084,331 km (0.085 R)
• M32: 9,238,716 km (0.065 R)
• M33: 9,549,879 km (0.091 R)
• M34: 9,667,613 km (0.108 R)
• M35: 9,844,886 km (0.056 R)
• M36: 10,003,460 km (0.062 R)
• M37: 10,142,885 km (0.101 R)
• M38: 10,585,396 km (0.034 R)
• M39: 10,849,885 km (0.082 R)
• M40: 12,035,448 km (0.117 R)
• M41: 12,632,792 km (0.117 R)
• M42: 13,349,366 km (0.078 R)
• M43: 13,459,171 km (0.104 R)
• M44: 13,812,371 km (0.096 R)
• M45: 14,146,124 km (0.069 R)
• M46: 14,392,811 km (0.086 R)
• M47: 14,867,485 km (0.093 R)
• M48: 15,485,324 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157

Radius: 4.1

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 12.74 AU - 13.1 AU

Year: 17134 Days

Day: 18.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 54,845,076 km

• M1: 178,620 km (0.071 R)
• M2: 412,142 km (0.096 R)
• M3: 520,002 km (0.057 R)
• M4: 621,878 km (0.066 R)
• M5: 828,024 km (0.083 R)
• M6: 1,072,318 km (0.117 R)
• M7: 1,146,219 km (0.12 R)
• M8: 1,183,768 km (0.065 R)
• M9: 1,318,406 km (0.115 R)
• M10: 2,415,407 km (0.042 R)
• M11: 2,463,877 km (0.06 R)
• M12: 2,811,842 km (0.094 R)
• M13: 3,175,065 km (0.112 R)
• M14: 3,228,172 km (0.099 R)
• M15: 3,470,671 km (0.074 R)
• M16: 3,525,423 km (0.102 R)
• M17: 4,030,765 km (0.102 R)
• M18: 4,059,488 km (0.045 R)
• M19: 4,350,605 km (0.117 R)
• M20: 4,678,524 km (0.061 R)
• M21: 5,295,017 km (0.036 R)
• M22: 5,326,582 km (0.094 R)
• M23: 5,358,147 km (0.084 R)
• M24: 5,741,716 km (0.065 R)
• M25: 5,838,954 km (0.096 R)
• M26: 6,300,015 km (0.111 R)
• M27: 6,366,885 km (0.095 R)
• M28: 6,944,483 km (0.112 R)
• M29: 7,538,685 km (0.109 R)
• M30: 7,716,408 km (0.102 R)
• M31: 7,788,065 km (0.075 R)
• M32: 8,185,397 km (0.081 R)
• M33: 8,589,311 km (0.083 R)
• M34: 8,737,712 km (0.111 R)
• M35: 8,812,362 km (0.111 R)
• M36: 9,454,585 km (0.117 R)
• M37: 9,839,501 km (0.084 R)
• M38: 9,994,783 km (0.096 R)
• M39: 10,150,964 km (0.076 R)
• M40: 10,347,386 km (0.042 R)
• M41: 10,664,234 km (0.103 R)
• M42: 10,743,820 km (0.108 R)
• M43: 11,104,949 km (0.053 R)
• M44: 11,674,618 km (0.071 R)
• M45: 12,462,699 km (0.102 R)
• M46: 13,011,724 km (0.087 R)
• M47: 13,396,489 km (0.108 R)
• M48: 14,617,208 km (0.115 R)
• M49: 14,927,923 km (0.1 R)
• M50: 15,151,123 km (0.059 R)
• M51: 15,465,577 km (0.109 R)
• M52: 17,209,589 km (0.066 R)
• M53: 17,867,820 km (0.058 R)
• M54: 18,057,361 km (0.106 R)
• M55: 18,152,355 km (0.096 R)
• M56: 18,918,446 km (0.086 R)
• M57: 19,841,914 km (0.103 R)
• M58: 19,890,832 km (0.089 R)
• M59: 20,829,708 km (0.096 R)
• M60: 22,188,356 km (0.113 R)
• M61: 22,904,032 km (0.065 R)
• M62: 23,419,995 km (0.076 R)
• M63: 23,679,249 km (0.072 R)
• M64: 23,991,759 km (0.07 R)
• M65: 24,937,516 km (0.078 R)
• M66: 26,056,060 km (0.119 R)
• M67: 29,340,930 km (0.062 R)
• M68: 30,408,011 km (0.053 R)
• M69: 30,747,598 km (0.096 R)
• M70: 31,259,373 km (0.117 R)
• M71: 32,406,639 km (0.062 R)
• M72: 32,985,433 km (0.028 R)
• M73: 33,626,011 km (0.117 R)
• M74: 33,684,504 km (0.105 R)
• M75: 34,035,909 km (0.078 R)
• M76: 34,211,986 km (0.112 R)
• M77: 34,388,511 km (0.099 R)
• M78: 35,097,306 km (0.119 R)
• M79: 35,215,788 km (0.107 R)
• M80: 35,334,568 km (0.064 R)
• M81: 36,349,141 km (0.092 R)
• M82: 36,649,384 km (0.119 R)
• M83: 38,041,093 km (0.095 R)
• M84: 38,651,452 km (0.046 R)
• M85: 39,265,103 km (0.031 R)
• M86: 39,449,856 km (0.064 R)
• M87: 40,005,762 km (0.113 R)
• M88: 40,253,795 km (0.108 R)
• M89: 40,315,729 km (0.093 R)
• M90: 40,377,812 km (0.094 R)
• M91: 40,938,056 km (0.101 R)
• M92: 41,375,629 km (0.065 R)
• M93: 41,814,699 km (0.077 R)
• M94: 42,003,342 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.3

Radius: 6.7

Gravity: 19.54 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 11.64 AU - 17.76 AU

Year: 20795 Days

Day: 22.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 54,845,076 km

• M1: 90,956 km (0.053 R)
• M2: 459,265 km (0.09 R)
• M3: 686,355 km (0.027 R)
• M4: 1,030,580 km (0.057 R)
• M5: 1,754,334 km (0.116 R)
• M6: 1,858,454 km (0.064 R)
• M7: 2,072,678 km (0.026 R)
• M8: 2,486,167 km (0.116 R)
• M9: 2,682,439 km (0.036 R)
• M10: 3,216,504 km (0.079 R)
• M11: 4,664,761 km (0.077 R)
• M12: 5,917,194 km (0.037 R)
• M13: 6,179,589 km (0.1 R)
• M14: 6,392,167 km (0.08 R)
• M15: 7,661,057 km (0.11 R)
• M16: 7,889,493 km (0.082 R)
• M17: 8,945,205 km (0.092 R)
• M18: 9,125,470 km (0.095 R)
• M19: 9,428,406 km (0.118 R)
• M20: 9,920,284 km (0.088 R)
• M21: 9,982,367 km (0.081 R)
• M22: 11,903,503 km (0.092 R)
• M23: 12,770,572 km (0.084 R)
• M24: 13,451,392 km (0.089 R)
• M25: 13,726,951 km (0.066 R)
• M26: 14,424,227 km (0.097 R)
• M27: 14,564,998 km (0.112 R)
• M28: 14,635,608 km (0.07 R)
• M29: 14,848,037 km (0.115 R)
• M30: 15,347,694 km (0.118 R)
• M31: 15,708,076 km (0.112 R)
• M32: 17,176,828 km (0.088 R)
• M33: 17,852,112 km (0.11 R)
• M34: 19,383,396 km (0.113 R)
• M35: 21,355,844 km (0.115 R)
• M36: 21,919,529 km (0.115 R)
• M37: 23,226,266 km (0.102 R)
• M38: 23,639,755 km (0.11 R)
• M39: 23,888,985 km (0.114 R)
• M40: 25,573,008 km (0.079 R)
• M41: 26,687,961 km (0.093 R)
• M42: 29,231,873 km (0.083 R)
• M43: 29,947,100 km (0.079 R)
• M44: 31,486,163 km (0.071 R)
• M45: 32,035,486 km (0.106 R)
• M46: 32,865,455 km (0.084 R)
• M47: 34,640,584 km (0.107 R)
• M48: 34,734,830 km (0.037 R)
• M49: 35,302,405 km (0.055 R)
• M50: 35,492,244 km (0.055 R)
• M51: 36,542,421 km (0.084 R)
• M52: 38,771,280 km (0.116 R)
• M53: 41,443,397 km (0.115 R)
• M54: 42,650,054 km (0.108 R)
• M55: 43,766,203 km (0.114 R)
• M56: 43,868,080 km (0.116 R)
• M57: 44,276,631 km (0.117 R)
• M58: 45,200,548 km (0.107 R)
• M59: 46,234,568 km (0.065 R)
• M60: 46,650,301 km (0.052 R)
• M61: 46,754,421 km (0.041 R)
• M62: 47,695,242 km (0.079 R)
• M63: 48,959,194 km (0.093 R)
• M64: 49,064,960 km (0.05 R)
• M65: 49,276,940 km (0.071 R)
• M66: 50,020,890 km (0.036 R)
• M67: 50,234,217 km (0.114 R)
• M68: 51,305,039 km (0.081 R)
• M69: 51,735,432 km (0.111 R)
• M70: 53,251,307 km (0.105 R)
• M71: 54,781,843 km (0.104 R)
• M72: 57,774,099 km (0.098 R)
• M73: 59,346,373 km (0.096 R)
• M74: 61,274,390 km (0.102 R)
• M75: 61,388,533 km (0.116 R)
• M76: 61,731,113 km (0.117 R)
• M77: 62,074,290 km (0.119 R)
• M78: 62,992,671 km (0.087 R)
• M79: 64,842,898 km (0.054 R)
• M80: 65,308,297 km (0.061 R)
• M81: 66,125,251 km (0.103 R)
• M82: 66,359,222 km (0.103 R)
• M83: 70,022,126 km (0.111 R)
• M84: 71,457,667 km (0.073 R)
• M85: 71,697,771 km (0.069 R)
• M86: 72,661,182 km (0.072 R)
• M87: 76,803,248 km (0.109 R)
• M88: 77,295,574 km (0.036 R)
• M89: 81,397,099 km (0.091 R)
• M90: 82,779,832 km (0.104 R)
• M91: 83,537,396 km (0.097 R)
• M92: 84,043,635 km (0.081 R)
• M93: 84,550,921 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.6

Radius: 4.8

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 13.26 AU - 17.68 AU

Year: 22450 Days

Day: 21.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 54,845,076 km

• M1: 79,137 km (0.109 R)
• M2: 122,969 km (0.081 R)
• M3: 330,312 km (0.08 R)
• M4: 885,021 km (0.093 R)
• M5: 967,599 km (0.067 R)
• M6: 2,337,018 km (0.091 R)
• M7: 2,539,274 km (0.087 R)
• M8: 3,022,326 km (0.111 R)
• M9: 3,274,249 km (0.106 R)
• M10: 3,533,203 km (0.089 R)
• M11: 3,933,676 km (0.113 R)
• M12: 4,139,373 km (0.111 R)
• M13: 4,313,505 km (0.111 R)
• M14: 4,668,800 km (0.082 R)
• M15: 5,331,967 km (0.113 R)
• M16: 5,483,211 km (0.093 R)
• M17: 5,867,827 km (0.114 R)
• M18: 6,662,790 km (0.114 R)
• M19: 6,744,171 km (0.103 R)
• M20: 8,003,486 km (0.07 R)
• M21: 8,220,403 km (0.11 R)
• M22: 8,748,633 km (0.049 R)
• M23: 9,151,949 km (0.067 R)
• M24: 9,791,480 km (0.109 R)
• M25: 9,930,456 km (0.115 R)
• M26: 10,070,031 km (0.064 R)
• M27: 10,257,178 km (0.078 R)
• M28: 10,304,152 km (0.084 R)
• M29: 14,232,442 km (0.103 R)
• M30: 15,025,012 km (0.069 R)
• M31: 15,078,418 km (0.057 R)
• M32: 15,561,470 km (0.055 R)
• M33: 15,886,247 km (0.114 R)
• M34: 17,994,829 km (0.027 R)
• M35: 18,678,790 km (0.12 R)
• M36: 19,139,402 km (0.058 R)
• M37: 19,954,561 km (0.073 R)
• M38: 20,484,586 km (0.112 R)
• M39: 21,138,628 km (0.1 R)
• M40: 23,450,214 km (0.074 R)
• M41: 25,077,390 km (0.051 R)
• M42: 25,776,611 km (0.08 R)
• M43: 26,482,413 km (0.047 R)
• M44: 26,740,619 km (0.058 R)
• M45: 27,389,725 km (0.097 R)
• M46: 29,101,723 km (0.116 R)
• M47: 30,172,245 km (0.086 R)
• M48: 31,187,715 km (0.07 R)
• M49: 31,323,849 km (0.107 R)
• M50: 33,390,993 km (0.07 R)
• M51: 33,669,843 km (0.083 R)
• M52: 34,229,938 km (0.104 R)
• M53: 34,440,871 km (0.101 R)
• M54: 36,143,145 km (0.098 R)
• M55: 38,674,341 km (0.072 R)
• M56: 39,407,969 km (0.049 R)
• M57: 40,146,234 km (0.072 R)
• M58: 41,112,786 km (0.094 R)
• M59: 41,861,374 km (0.072 R)
• M60: 42,086,967 km (0.053 R)
• M61: 44,287,253 km (0.114 R)
• M62: 48,798,825 km (0.091 R)
• M63: 50,788,028 km (0.104 R)
• M64: 54,270,816 km (0.042 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: 343 - 18,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit