🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.48 AU - 0.56 AU

Year: 133 Days

Day: 14.8 Hours

Environment

Temp: 214 °C

Axial Tilt: 35.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,018,058 km

• M1: 109,805 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.61 AU - 0.95 AU

Year: 244 Days

Day: 12.4 Hours

Environment

Temp: 115 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.24 AU - 1.28 AU

Year: 502 Days

Day: 34.4 Hours

Environment

Temp: 23 °C

Axial Tilt: 8.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.4 AU - 1.56 AU

Year: 639 Days

Day: 39.1 Hours

Environment

Temp: -2 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 81,018,058 km

• M1: 436,676 km (0.09 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.52 AU - 2.24 AU

Year: 914 Days

Day: 40.7 Hours

Environment

Temp: -49 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.45 AU - 2.73 AU

Year: 1479 Days

Day: 40 Hours

Environment

Temp: -84 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,018,058 km

• M1: 693,087 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.8

Radius: 8.1

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.83 AU - 7.07 AU

Year: 5149 Days

Day: 9.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 81,018,058 km

• M1: 108,907 km (0.098 R)
• M2: 178,021 km (0.062 R)
• M3: 376,388 km (0.116 R)
• M4: 656,136 km (0.078 R)
• M5: 771,626 km (0.112 R)
• M6: 838,945 km (0.04 R)
• M7: 1,113,457 km (0.12 R)
• M8: 1,237,324 km (0.038 R)
• M9: 1,601,744 km (0.094 R)
• M10: 1,905,578 km (0.115 R)
• M11: 1,998,478 km (0.061 R)
• M12: 2,305,902 km (0.045 R)
• M13: 2,445,177 km (0.095 R)
• M14: 2,731,956 km (0.105 R)
• M15: 2,900,852 km (0.064 R)
• M16: 2,986,572 km (0.086 R)
• M17: 3,248,817 km (0.111 R)
• M18: 3,427,736 km (0.084 R)
• M19: 3,656,172 km (0.066 R)
• M20: 4,346,267 km (0.074 R)
• M21: 4,543,736 km (0.119 R)
• M22: 4,668,650 km (0.034 R)
• M23: 5,257,916 km (0.064 R)
• M24: 5,389,114 km (0.106 R)
• M25: 5,494,879 km (0.042 R)
• M26: 6,199,037 km (0.102 R)
• M27: 6,365,689 km (0.11 R)
• M28: 7,162,447 km (0.092 R)
• M29: 7,720,896 km (0.114 R)
• M30: 7,900,264 km (0.071 R)
• M31: 7,960,252 km (0.082 R)
• M32: 8,942,063 km (0.096 R)
• M33: 9,510,984 km (0.12 R)
• M34: 9,575,012 km (0.09 R)
• M35: 9,639,040 km (0.044 R)
• M36: 10,124,335 km (0.101 R)
• M37: 10,353,519 km (0.074 R)
• M38: 11,287,159 km (0.073 R)
• M39: 11,456,803 km (0.099 R)
• M40: 11,661,453 km (0.11 R)
• M41: 11,901,707 km (0.067 R)
• M42: 12,005,080 km (0.049 R)
• M43: 12,108,900 km (0.031 R)
• M44: 12,456,865 km (0.102 R)
• M45: 12,808,270 km (0.072 R)
• M46: 13,162,817 km (0.096 R)
• M47: 13,736,974 km (0.099 R)
• M48: 14,063,546 km (0.105 R)
• M49: 14,136,400 km (0.062 R)
• M50: 14,209,404 km (0.1 R)
• M51: 14,429,313 km (0.107 R)
• M52: 14,798,371 km (0.067 R)
• M53: 16,843,823 km (0.104 R)
• M54: 17,037,701 km (0.115 R)
• M55: 18,535,176 km (0.112 R)
• M56: 18,615,061 km (0.089 R)
• M57: 19,097,365 km (0.049 R)
• M58: 19,583,857 km (0.118 R)
• M59: 19,910,280 km (0.051 R)
• M60: 20,115,378 km (0.099 R)
• M61: 21,276,258 km (0.086 R)
• M62: 21,569,769 km (0.115 R)
• M63: 22,416,044 km (0.079 R)
• M64: 22,629,371 km (0.098 R)
• M65: 22,714,941 km (0.104 R)
• M66: 22,800,511 km (0.116 R)
• M67: 22,886,230 km (0.099 R)
• M68: 23,489,259 km (0.114 R)
• M69: 25,285,032 km (0.065 R)
• M70: 25,863,677 km (0.032 R)
• M71: 26,446,510 km (0.098 R)
• M72: 26,717,133 km (0.112 R)
• M73: 26,943,175 km (0.093 R)
• M74: 27,900,003 km (0.099 R)
• M75: 28,497,796 km (0.111 R)
• M76: 29,146,303 km (0.025 R)
• M77: 29,706,098 km (0.073 R)
• M78: 30,269,334 km (0.114 R)
• M79: 30,410,704 km (0.047 R)
• M80: 30,931,005 km (0.12 R)
• M81: 31,073,423 km (0.106 R)
• M82: 31,168,417 km (0.097 R)
• M83: 31,693,057 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.5

Radius: 14.5

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.57 AU - 8.57 AU

Year: 8900 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 81,018,058 km

• M1: 221,405 km (0.118 R)
• M2: 418,126 km (0.07 R)
• M3: 686,654 km (0.096 R)
• M4: 905,815 km (0.091 R)
• M5: 1,269,936 km (0.118 R)
• M6: 1,458,878 km (0.081 R)
• M7: 1,771,987 km (0.058 R)
• M8: 1,889,272 km (0.098 R)
• M9: 2,257,432 km (0.096 R)
• M10: 3,090,393 km (0.092 R)
• M11: 3,496,102 km (0.118 R)
• M12: 3,949,833 km (0.099 R)
• M13: 4,199,661 km (0.089 R)
• M14: 5,115,200 km (0.118 R)
• M15: 5,216,927 km (0.078 R)
• M16: 6,490,453 km (0.069 R)
• M17: 6,600,856 km (0.112 R)
• M18: 7,124,299 km (0.088 R)
• M19: 7,468,075 km (0.108 R)
• M20: 7,739,147 km (0.075 R)
• M21: 7,934,821 km (0.116 R)
• M22: 9,184,262 km (0.074 R)
• M23: 9,558,556 km (0.111 R)
• M24: 10,711,357 km (0.103 R)
• M25: 11,370,785 km (0.12 R)
• M26: 11,548,956 km (0.116 R)
• M27: 12,361,870 km (0.079 R)
• M28: 12,590,905 km (0.106 R)
• M29: 12,729,133 km (0.029 R)
• M30: 13,006,936 km (0.028 R)
• M31: 14,570,683 km (0.112 R)
• M32: 14,667,473 km (0.117 R)
• M33: 14,812,882 km (0.118 R)
• M34: 15,007,509 km (0.053 R)
• M35: 15,154,115 km (0.111 R)
• M36: 17,976,279 km (0.026 R)
• M37: 18,236,130 km (0.062 R)
• M38: 18,340,400 km (0.032 R)
• M39: 19,500,531 km (0.12 R)
• M40: 21,175,279 km (0.105 R)
• M41: 21,725,351 km (0.099 R)
• M42: 21,835,904 km (0.111 R)
• M43: 22,002,107 km (0.104 R)
• M44: 22,391,660 km (0.118 R)
• M45: 22,559,209 km (0.09 R)
• M46: 23,233,896 km (0.084 R)
• M47: 23,687,476 km (0.075 R)
• M48: 24,660,910 km (0.089 R)
• M49: 24,949,634 km (0.119 R)
• M50: 25,065,422 km (0.064 R)
• M51: 25,297,748 km (0.072 R)
• M52: 25,764,344 km (0.113 R)
• M53: 25,881,329 km (0.119 R)
• M54: 26,233,632 km (0.072 R)
• M55: 27,718,840 km (0.094 R)
• M56: 28,139,659 km (0.092 R)
• M57: 28,501,835 km (0.062 R)
• M58: 29,843,578 km (0.099 R)
• M59: 30,089,817 km (0.08 R)
• M60: 31,081,202 km (0.103 R)
• M61: 31,643,690 km (0.107 R)
• M62: 31,831,884 km (0.055 R)
• M63: 32,146,338 km (0.08 R)
• M64: 32,778,539 km (0.082 R)
• M65: 33,032,556 km (0.091 R)
• M66: 33,287,172 km (0.09 R)
• M67: 33,606,414 km (0.076 R)
• M68: 33,926,703 km (0.117 R)
• M69: 34,312,366 km (0.094 R)
• M70: 35,412,958 km (0.095 R)
• M71: 36,525,218 km (0.11 R)
• M72: 37,317,189 km (0.086 R)
• M73: 37,648,847 km (0.077 R)
• M74: 38,448,897 km (0.102 R)
• M75: 41,019,138 km (0.081 R)
• M76: 41,567,414 km (0.11 R)
• M77: 42,048,969 km (0.052 R)
• M78: 42,948,352 km (0.092 R)
• M79: 44,344,399 km (0.076 R)
• M80: 44,977,497 km (0.064 R)
• M81: 45,755,406 km (0.112 R)
• M82: 46,680,370 km (0.088 R)
• M83: 47,324,389 km (0.054 R)
• M84: 48,043,356 km (0.104 R)
• M85: 48,332,080 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.2

Radius: 6.2

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 14.81 AU - 24.31 AU

Year: 30690 Days

Day: 23.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 81,018,058 km

• M1: 97,538 km (0.114 R)
• M2: 211,232 km (0.094 R)
• M3: 518,955 km (0.073 R)
• M4: 928,255 km (0.108 R)
• M5: 1,149,809 km (0.096 R)
• M6: 1,296,565 km (0.083 R)
• M7: 1,357,002 km (0.093 R)
• M8: 1,544,149 km (0.118 R)
• M9: 4,317,095 km (0.074 R)
• M10: 4,408,200 km (0.106 R)
• M11: 4,826,476 km (0.107 R)
• M12: 5,160,528 km (0.108 R)
• M13: 5,403,774 km (0.119 R)
• M14: 6,258,427 km (0.086 R)
• M15: 6,517,680 km (0.103 R)
• M16: 6,939,995 km (0.093 R)
• M17: 8,089,954 km (0.043 R)
• M18: 8,146,202 km (0.087 R)
• M19: 8,202,601 km (0.062 R)
• M20: 8,831,062 km (0.11 R)
• M21: 9,415,840 km (0.097 R)
• M22: 9,593,711 km (0.116 R)
• M23: 9,832,619 km (0.054 R)
• M24: 11,118,862 km (0.06 R)
• M25: 12,717,614 km (0.079 R)
• M26: 13,510,333 km (0.095 R)
• M27: 14,047,539 km (0.119 R)
• M28: 14,318,910 km (0.07 R)
• M29: 14,386,977 km (0.116 R)
• M30: 15,421,147 km (0.101 R)
• M31: 16,407,894 km (0.107 R)
• M32: 16,693,477 km (0.098 R)
• M33: 16,980,854 km (0.098 R)
• M34: 18,441,827 km (0.062 R)
• M35: 19,790,602 km (0.077 R)
• M36: 21,171,091 km (0.102 R)
• M37: 22,265,997 km (0.113 R)
• M38: 24,347,951 km (0.072 R)
• M39: 24,673,775 km (0.096 R)
• M40: 24,918,966 km (0.082 R)
• M41: 25,247,333 km (0.069 R)
• M42: 25,908,257 km (0.039 R)
• M43: 26,742,415 km (0.089 R)
• M44: 27,585,249 km (0.082 R)
• M45: 29,210,630 km (0.098 R)
• M46: 31,750,802 km (0.092 R)
• M47: 31,839,663 km (0.112 R)
• M48: 33,453,076 km (0.081 R)
• M49: 33,633,940 km (0.115 R)
• M50: 34,087,520 km (0.101 R)
• M51: 34,543,196 km (0.107 R)
• M52: 34,817,708 km (0.104 R)
• M53: 35,184,671 km (0.101 R)
• M54: 35,368,527 km (0.083 R)
• M55: 37,132,136 km (0.098 R)
• M56: 37,319,582 km (0.112 R)
• M57: 37,977,514 km (0.052 R)
• M58: 38,639,484 km (0.088 R)
• M59: 41,713,272 km (0.112 R)
• M60: 41,908,048 km (0.109 R)
• M61: 45,364,058 km (0.068 R)
• M62: 46,267,480 km (0.077 R)
• M63: 48,398,352 km (0.09 R)
• M64: 48,500,527 km (0.067 R)
• M65: 49,939,808 km (0.106 R)
• M66: 50,872,551 km (0.085 R)
• M67: 53,070,892 km (0.088 R)
• M68: 53,176,358 km (0.091 R)
• M69: 53,704,738 km (0.074 R)
• M70: 55,086,574 km (0.096 R)
• M71: 56,264,956 km (0.111 R)
• M72: 56,587,788 km (0.099 R)
• M73: 57,127,088 km (0.093 R)
• M74: 58,537,497 km (0.053 R)
• M75: 59,301,793 km (0.093 R)
• M76: 62,057,834 km (0.112 R)
• M77: 62,614,039 km (0.098 R)
• M78: 63,060,140 km (0.097 R)
• M79: 63,955,633 km (0.053 R)
• M80: 64,630,020 km (0.1 R)
• M81: 65,080,908 km (0.106 R)
• M82: 65,872,580 km (0.083 R)
• M83: 68,266,296 km (0.06 R)
• M84: 69,531,594 km (0.116 R)
• M85: 70,109,192 km (0.117 R)
• M86: 71,152,936 km (0.09 R)
• M87: 73,021,264 km (0.071 R)
• M88: 75,972,680 km (0.113 R)
• M89: 77,044,699 km (0.119 R)
• M90: 77,522,813 km (0.094 R)
• M91: 77,642,492 km (0.08 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 15,239 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit