🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.45 AU - 0.61 AU

Year: 141 Days

Day: 15.1 Hours

Environment

Temp: 175 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.49 AU - 0.69 AU

Year: 166 Days

Day: 42.5 Hours

Environment

Temp: 237 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.75 AU - 0.81 AU

Year: 252 Days

Day: 27.1 Hours

Environment

Temp: 162 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.15 AU - 1.55 AU

Year: 573 Days

Day: 39.4 Hours

Environment

Temp: -23 °C

Axial Tilt: 163.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 108,645,838 km

• M1: 430,094 km (0.067 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.73 AU - 2.05 AU

Year: 949 Days

Day: 22.4 Hours

Environment

Temp: -62 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 108,645,838 km

• M1: 713,881 km (0.072 R)
• M2: 1,812,827 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.61 AU - 2.37 AU

Year: 1025 Days

Day: 34.4 Hours

Environment

Temp: -66 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 108,645,838 km

• M1: 413,189 km (0.114 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.22 AU - 2.3 AU

Year: 1241 Days

Day: 20.1 Hours

Environment

Temp: -83 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 108,645,838 km

• M1: 612,154 km (0.048 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.2 AU - 4.34 AU

Year: 2674 Days

Day: 13.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.6

Radius: 9.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.35 AU - 6.49 AU

Year: 4609 Days

Day: 7.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 154.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 108,645,838 km

• M1: 116,986 km (0.036 R)
• M2: 190,288 km (0.101 R)
• M3: 418,126 km (0.074 R)
• M4: 541,694 km (0.054 R)
• M5: 794,514 km (0.117 R)
• M6: 964,009 km (0.054 R)
• M7: 1,170,603 km (0.08 R)
• M8: 1,351,617 km (0.103 R)
• M9: 1,741,170 km (0.103 R)
• M10: 1,799,662 km (0.091 R)
• M11: 2,243,818 km (0.057 R)
• M12: 2,536,282 km (0.081 R)
• M13: 2,789,402 km (0.066 R)
• M14: 3,015,594 km (0.084 R)
• M15: 3,104,156 km (0.094 R)
• M16: 3,338,576 km (0.083 R)
• M17: 3,691,477 km (0.052 R)
• M18: 3,843,768 km (0.076 R)
• M19: 4,154,632 km (0.061 R)
• M20: 4,233,620 km (0.078 R)
• M21: 4,473,575 km (0.085 R)
• M22: 4,615,543 km (0.071 R)
• M23: 4,718,018 km (0.064 R)
• M24: 5,156,339 km (0.115 R)
• M25: 5,241,461 km (0.068 R)
• M26: 5,629,667 km (0.092 R)
• M27: 5,739,173 km (0.103 R)
• M28: 6,072,028 km (0.106 R)
• M29: 6,342,950 km (0.1 R)
• M30: 6,849,787 km (0.078 R)
• M31: 6,919,799 km (0.113 R)
• M32: 7,369,640 km (0.063 R)
• M33: 7,658,513 km (0.114 R)
• M34: 7,951,276 km (0.115 R)
• M35: 9,443,066 km (0.111 R)
• M36: 9,625,725 km (0.086 R)
• M37: 9,704,414 km (0.105 R)
• M38: 9,888,868 km (0.111 R)
• M39: 9,994,634 km (0.097 R)
• M40: 10,180,883 km (0.087 R)
• M41: 10,502,668 km (0.069 R)
• M42: 10,637,905 km (0.068 R)
• M43: 10,746,363 km (0.101 R)
• M44: 11,129,034 km (0.11 R)
• M45: 11,432,868 km (0.115 R)
• M46: 11,599,669 km (0.115 R)
• M47: 12,133,434 km (0.089 R)
• M48: 12,275,253 km (0.097 R)
• M49: 13,050,469 km (0.11 R)
• M50: 13,137,685 km (0.061 R)
• M51: 15,011,398 km (0.111 R)
• M52: 15,255,392 km (0.112 R)
• M53: 15,469,916 km (0.106 R)
• M54: 15,963,888 km (0.118 R)
• M55: 16,337,883 km (0.077 R)
• M56: 16,557,343 km (0.064 R)
• M57: 16,840,831 km (0.092 R)
• M58: 16,999,105 km (0.118 R)
• M59: 17,189,693 km (0.091 R)
• M60: 17,444,907 km (0.081 R)
• M61: 17,572,963 km (0.08 R)
• M62: 17,701,318 km (0.078 R)
• M63: 18,706,765 km (0.056 R)
• M64: 18,837,962 km (0.079 R)
• M65: 19,035,132 km (0.095 R)
• M66: 19,531,199 km (0.089 R)
• M67: 19,830,843 km (0.086 R)
• M68: 19,931,074 km (0.101 R)
• M69: 20,199,153 km (0.058 R)
• M70: 20,468,579 km (0.116 R)
• M71: 20,908,696 km (0.094 R)
• M72: 21,215,222 km (0.058 R)
• M73: 22,560,855 km (0.056 R)
• M74: 22,630,567 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.6

Radius: 3.7

Gravity: 69.66 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 15.77 AU - 21.11 AU

Year: 28922 Days

Day: 16.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 108,645,838 km

• M1: 123,717 km (0.093 R)
• M2: 638,783 km (0.102 R)
• M3: 757,115 km (0.067 R)
• M4: 2,232,150 km (0.069 R)
• M5: 3,125,997 km (0.071 R)
• M6: 3,377,770 km (0.115 R)
• M7: 3,531,856 km (0.073 R)
• M8: 3,583,767 km (0.116 R)
• M9: 3,740,994 km (0.101 R)
• M10: 3,954,171 km (0.102 R)
• M11: 4,171,237 km (0.101 R)
• M12: 4,281,192 km (0.104 R)
• M13: 5,552,923 km (0.092 R)
• M14: 5,673,948 km (0.067 R)
• M15: 6,609,084 km (0.032 R)
• M16: 6,737,439 km (0.093 R)
• M17: 7,192,815 km (0.114 R)
• M18: 7,457,454 km (0.071 R)
• M19: 7,792,852 km (0.117 R)
• M20: 8,064,672 km (0.118 R)
• M21: 9,832,470 km (0.117 R)
• M22: 9,905,473 km (0.119 R)
• M23: 10,273,933 km (0.071 R)
• M24: 10,496,983 km (0.089 R)
• M25: 12,496,808 km (0.091 R)
• M26: 12,814,703 km (0.117 R)
• M27: 13,458,423 km (0.107 R)
• M28: 14,195,043 km (0.063 R)
• M29: 14,360,648 km (0.088 R)
• M30: 15,366,843 km (0.112 R)
• M31: 17,890,858 km (0.078 R)
• M32: 17,980,018 km (0.114 R)
• M33: 18,248,846 km (0.093 R)
• M34: 22,822,801 km (0.116 R)
• M35: 23,211,007 km (0.046 R)
• M36: 25,284,733 km (0.101 R)
• M37: 25,485,344 km (0.065 R)
• M38: 26,090,168 km (0.066 R)
• M39: 27,006,305 km (0.067 R)
• M40: 27,211,404 km (0.056 R)
• M41: 28,660,858 km (0.089 R)
• M42: 29,923,164 km (0.057 R)
• M43: 30,348,022 km (0.1 R)
• M44: 30,881,788 km (0.102 R)
• M45: 31,310,984 km (0.12 R)
• M46: 31,526,405 km (0.075 R)
• M47: 33,486,735 km (0.086 R)
• M48: 35,486,261 km (0.085 R)
• M49: 35,598,459 km (0.055 R)
• M50: 36,727,025 km (0.067 R)
• M51: 37,409,790 km (0.089 R)
• M52: 40,182,586 km (0.098 R)
• M53: 40,299,572 km (0.11 R)
• M54: 41,711,776 km (0.041 R)
• M55: 42,305,081 km (0.056 R)
• M56: 42,543,091 km (0.095 R)
• M57: 42,781,700 km (0.104 R)
• M58: 43,140,286 km (0.112 R)
• M59: 45,678,363 km (0.076 R)
• M60: 46,657,930 km (0.06 R)
• M61: 48,016,129 km (0.049 R)
• M62: 48,388,778 km (0.073 R)
• M63: 49,012,002 km (0.1 R)
• M64: 50,140,569 km (0.028 R)
• M65: 52,295,526 km (0.091 R)
• M66: 52,550,890 km (0.089 R)
• M67: 52,678,796 km (0.079 R)
• M68: 53,319,972 km (0.111 R)
• M69: 54,221,748 km (0.101 R)
• M70: 54,998,760 km (0.114 R)
• M71: 56,302,056 km (0.034 R)
• M72: 57,351,784 km (0.086 R)
• M73: 60,272,085 km (0.11 R)
• M74: 62,968,586 km (0.114 R)
• M75: 64,194,690 km (0.092 R)
• M76: 67,641,874 km (0.089 R)
• M77: 71,007,377 km (0.059 R)
• M78: 71,290,267 km (0.089 R)
• M79: 71,857,093 km (0.117 R)
• M80: 75,434,128 km (0.098 R)
• M81: 76,590,968 km (0.112 R)
• M82: 77,462,525 km (0.088 R)
• M83: 86,205,025 km (0.077 R)
• M84: 86,808,802 km (0.049 R)
• M85: 88,020,844 km (0.101 R)
• M86: 91,382,757 km (0.089 R)
• M87: 92,770,128 km (0.114 R)
• M88: 93,079,496 km (0.088 R)
• M89: 95,721,843 km (0.119 R)
• M90: 97,130,756 km (0.057 R)
• M91: 99,335,978 km (0.098 R)
• M92: 102,994,544 km (0.098 R)
• M93: 106,049,931 km (0.077 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: 250 - 18,611 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit