🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.45 AU - 0.73 AU

Year: 168 Days

Day: 40.7 Hours

Environment

Temp: 148 °C

Axial Tilt: 7.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.62 AU - 0.78 AU

Year: 217 Days

Day: 35.5 Hours

Environment

Temp: 116 °C

Axial Tilt: 35.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.07 AU - 1.47 AU

Year: 531 Days

Day: 23.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 28 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.4 AU - 3.42 AU

Year: 1841 Days

Day: 33.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 113,288,010 km

• M1: 644,468 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.47 AU - 3.99 AU

Year: 2153 Days

Day: 33.1 Hours

Environment

Temp: -107 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.68 AU - 4.12 AU

Year: 2856 Days

Day: 42 Hours

Environment

Temp: -126 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 113,288,010 km

• M1: 45,627 km (0.12 R)
• M2: 2,321,759 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.8

Radius: 6.2

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 10.96 AU - 16.52 AU

Year: 18888 Days

Day: 21 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 113,288,010 km

• M1: 87,664 km (0.108 R)
• M2: 206,295 km (0.075 R)
• M3: 459,714 km (0.118 R)
• M4: 790,625 km (0.086 R)
• M5: 1,086,230 km (0.088 R)
• M6: 1,771,538 km (0.098 R)
• M7: 1,975,290 km (0.083 R)
• M8: 3,068,402 km (0.076 R)
• M9: 3,207,528 km (0.082 R)
• M10: 3,456,010 km (0.095 R)
• M11: 3,564,319 km (0.101 R)
• M12: 3,784,527 km (0.092 R)
• M13: 4,315,599 km (0.108 R)
• M14: 5,032,173 km (0.091 R)
• M15: 5,488,147 km (0.113 R)
• M16: 6,130,970 km (0.116 R)
• M17: 6,752,399 km (0.107 R)
• M18: 7,208,523 km (0.086 R)
• M19: 7,674,520 km (0.08 R)
• M20: 8,246,583 km (0.041 R)
• M21: 8,294,903 km (0.054 R)
• M22: 8,931,142 km (0.103 R)
• M23: 9,735,829 km (0.107 R)
• M24: 11,306,009 km (0.112 R)
• M25: 12,285,276 km (0.101 R)
• M26: 12,896,982 km (0.109 R)
• M27: 13,121,828 km (0.109 R)
• M28: 13,348,020 km (0.036 R)
• M29: 13,919,184 km (0.086 R)
• M30: 15,262,872 km (0.104 R)
• M31: 15,859,917 km (0.108 R)
• M32: 16,525,478 km (0.107 R)
• M33: 16,831,107 km (0.088 R)
• M34: 17,200,165 km (0.064 R)
• M35: 19,021,519 km (0.083 R)
• M36: 20,052,398 km (0.06 R)
• M37: 21,167,500 km (0.114 R)
• M38: 21,699,171 km (0.084 R)
• M39: 23,594,427 km (0.07 R)
• M40: 23,800,572 km (0.072 R)
• M41: 25,260,498 km (0.072 R)
• M42: 25,966,002 km (0.095 R)
• M43: 26,107,820 km (0.049 R)
• M44: 26,892,611 km (0.089 R)
• M45: 27,902,696 km (0.03 R)
• M46: 28,412,376 km (0.025 R)
• M47: 28,925,047 km (0.083 R)
• M48: 29,440,861 km (0.117 R)
• M49: 29,588,813 km (0.108 R)
• M50: 29,736,915 km (0.061 R)
• M51: 31,383,090 km (0.111 R)
• M52: 31,913,115 km (0.086 R)
• M53: 32,675,317 km (0.074 R)
• M54: 32,905,099 km (0.103 R)
• M55: 33,984,747 km (0.117 R)
• M56: 34,139,880 km (0.069 R)
• M57: 36,178,749 km (0.032 R)
• M58: 37,212,770 km (0.067 R)
• M59: 38,903,674 km (0.08 R)
• M60: 39,391,363 km (0.063 R)
• M61: 39,717,636 km (0.07 R)
• M62: 41,196,860 km (0.09 R)
• M63: 41,693,974 km (0.06 R)
• M64: 44,039,818 km (0.117 R)
• M65: 44,293,686 km (0.084 R)
• M66: 44,973,009 km (0.06 R)
• M67: 45,484,784 km (0.102 R)
• M68: 45,570,354 km (0.032 R)
• M69: 45,741,494 km (0.047 R)
• M70: 45,912,783 km (0.118 R)
• M71: 46,772,672 km (0.077 R)
• M72: 46,858,990 km (0.102 R)
• M73: 47,031,775 km (0.071 R)
• M74: 48,421,240 km (0.119 R)
• M75: 49,384,351 km (0.114 R)
• M76: 49,560,129 km (0.093 R)
• M77: 50,000,396 km (0.112 R)
• M78: 50,265,333 km (0.118 R)
• M79: 50,796,406 km (0.112 R)
• M80: 51,774,925 km (0.112 R)
• M81: 52,849,337 km (0.099 R)
• M82: 54,293,555 km (0.119 R)
• M83: 54,929,346 km (0.11 R)
• M84: 55,476,426 km (0.104 R)
• M85: 56,667,673 km (0.091 R)
• M86: 56,759,676 km (0.104 R)
• M87: 57,220,438 km (0.057 R)
• M88: 58,331,202 km (0.034 R)
• M89: 60,104,385 km (0.106 R)
• M90: 60,762,167 km (0.106 R)
• M91: 60,856,264 km (0.036 R)
• M92: 61,800,526 km (0.055 R)
• M93: 62,844,869 km (0.11 R)
• M94: 63,512,374 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909

Radius: 7.8

Gravity: 14.94 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 17.95 AU - 20.73 AU

Year: 31542 Days

Day: 22.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 139.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 113,288,010 km

• M1: 125,662 km (0.094 R)
• M2: 544,387 km (0.076 R)
• M3: 685,158 km (0.06 R)
• M4: 1,760,617 km (0.109 R)
• M5: 1,844,392 km (0.099 R)
• M6: 1,929,663 km (0.081 R)
• M7: 2,610,333 km (0.1 R)
• M8: 3,102,361 km (0.096 R)
• M9: 4,453,828 km (0.088 R)
• M10: 5,402,578 km (0.033 R)
• M11: 6,346,839 km (0.064 R)
• M12: 6,541,765 km (0.075 R)
• M13: 7,477,500 km (0.062 R)
• M14: 8,813,259 km (0.062 R)
• M15: 8,885,515 km (0.07 R)
• M16: 9,545,541 km (0.057 R)
• M17: 10,603,198 km (0.066 R)
• M18: 10,912,117 km (0.116 R)
• M19: 11,697,506 km (0.118 R)
• M20: 13,488,791 km (0.074 R)
• M21: 15,103,251 km (0.088 R)
• M22: 16,331,450 km (0.073 R)
• M23: 16,420,461 km (0.07 R)
• M24: 17,865,576 km (0.083 R)
• M25: 19,350,933 km (0.119 R)
• M26: 21,262,794 km (0.113 R)
• M27: 22,438,484 km (0.102 R)
• M28: 23,034,183 km (0.062 R)
• M29: 23,635,117 km (0.106 R)
• M30: 24,139,860 km (0.05 R)
• M31: 25,365,815 km (0.111 R)
• M32: 26,611,666 km (0.099 R)
• M33: 29,595,695 km (0.076 R)
• M34: 33,133,236 km (0.12 R)
• M35: 33,584,722 km (0.052 R)
• M36: 35,181,081 km (0.112 R)
• M37: 37,504,037 km (0.086 R)
• M38: 42,174,333 km (0.099 R)
• M39: 42,786,188 km (0.053 R)
• M40: 43,401,035 km (0.11 R)
• M41: 44,266,608 km (0.075 R)
• M42: 45,638,421 km (0.11 R)
• M43: 47,024,146 km (0.075 R)
• M44: 47,150,855 km (0.087 R)
• M45: 47,913,206 km (0.056 R)
• M46: 48,679,596 km (0.117 R)
• M47: 48,807,652 km (0.109 R)
• M48: 50,095,091 km (0.084 R)
• M49: 52,440,636 km (0.093 R)
• M50: 53,626,648 km (0.093 R)
• M51: 54,821,636 km (0.116 R)
• M52: 56,159,639 km (0.12 R)
• M53: 56,428,466 km (0.113 R)
• M54: 59,962,716 km (0.08 R)
• M55: 60,375,157 km (0.05 R)
• M56: 61,341,111 km (0.092 R)
• M57: 62,034,198 km (0.066 R)
• M58: 63,008,828 km (0.096 R)
• M59: 63,148,403 km (0.042 R)
• M60: 63,568,025 km (0.117 R)
• M61: 64,832,276 km (0.031 R)
• M62: 65,396,859 km (0.073 R)
• M63: 65,962,937 km (0.072 R)
• M64: 66,388,693 km (0.099 R)
• M65: 66,957,763 km (0.11 R)
• M66: 67,242,896 km (0.113 R)
• M67: 69,538,326 km (0.105 R)
• M68: 70,695,615 km (0.081 R)
• M69: 72,151,203 km (0.107 R)
• M70: 73,616,663 km (0.115 R)
• M71: 74,648,440 km (0.053 R)
• M72: 75,388,201 km (0.117 R)
• M73: 75,536,453 km (0.04 R)
• M74: 76,577,056 km (0.111 R)
• M75: 77,173,802 km (0.119 R)
• M76: 77,622,296 km (0.074 R)
• M77: 77,772,043 km (0.106 R)
• M78: 78,973,165 km (0.114 R)
• M79: 83,225,185 km (0.096 R)
• M80: 83,378,523 km (0.112 R)
• M81: 85,224,561 km (0.09 R)
• M82: 86,617,915 km (0.093 R)
• M83: 86,928,630 km (0.109 R)
• M84: 87,084,062 km (0.102 R)
• M85: 88,175,079 km (0.072 R)
• M86: 88,957,027 km (0.117 R)
• M87: 94,814,682 km (0.111 R)
• M88: 95,615,928 km (0.078 R)
• M89: 96,580,086 km (0.055 R)
• M90: 100,143,358 km (0.071 R)
• M91: 104,079,427 km (0.093 R)
• M92: 105,071,261 km (0.112 R)
• M93: 107,064,354 km (0.089 R)
• M94: 107,731,560 km (0.059 R)
• M95: 108,400,113 km (0.079 R)
• M96: 108,902,313 km (0.119 R)
• M97: 112,270,808 km (0.051 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 10,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit