🌌 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: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.4 AU - 0.66 AU

Year: 145 Days

Day: 18.3 Hours

Environment

Temp: 185 °C

Axial Tilt: 0.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.6 AU - 0.6 AU

Year: 175 Days

Day: 28.4 Hours

Environment

Temp: 215 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.57 AU - 0.79 AU

Year: 211 Days

Day: 30.1 Hours

Environment

Temp: 186 °C

Axial Tilt: 48.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.21 AU - 1.95 AU

Year: 748 Days

Day: 15 Hours

Environment

Temp: -61 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 55,954,381 km

• M1: 221,106 km (0.078 R)
• M2: 523,144 km (0.111 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.76 AU - 3.74 AU

Year: 2207 Days

Day: 39.5 Hours

Environment

Temp: -115 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 55,954,381 km

• M1: 24,833 km (0.08 R)
• M2: 230,082 km (0.077 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.02 AU - 3.69 AU

Year: 2310 Days

Day: 20.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.39 AU - 4.19 AU

Year: 2780 Days

Day: 20.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 34.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.1

Radius: 9.4

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.74 AU - 6.02 AU

Year: 4061 Days

Day: 12.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 55,954,381 km

• M1: 193,580 km (0.12 R)
• M2: 424,260 km (0.057 R)
• M3: 613,650 km (0.077 R)
• M4: 686,804 km (0.038 R)
• M5: 1,216,679 km (0.11 R)
• M6: 1,759,271 km (0.073 R)
• M7: 2,008,501 km (0.054 R)
• M8: 2,072,678 km (0.109 R)
• M9: 2,285,855 km (0.111 R)
• M10: 2,386,684 km (0.117 R)
• M11: 2,506,363 km (0.066 R)
• M12: 2,663,141 km (0.043 R)
• M13: 2,733,751 km (0.075 R)
• M14: 2,859,115 km (0.099 R)
• M15: 3,004,673 km (0.115 R)
• M16: 3,494,905 km (0.116 R)
• M17: 3,631,189 km (0.096 R)
• M18: 3,908,992 km (0.12 R)
• M19: 4,070,857 km (0.091 R)
• M20: 5,399,735 km (0.106 R)
• M21: 5,557,561 km (0.043 R)
• M22: 5,694,144 km (0.118 R)
• M23: 5,878,000 km (0.113 R)
• M24: 6,393,813 km (0.086 R)
• M25: 6,489,107 km (0.103 R)
• M26: 6,997,440 km (0.117 R)
• M27: 7,343,460 km (0.07 R)
• M28: 7,468,524 km (0.115 R)
• M29: 7,543,772 km (0.073 R)
• M30: 7,796,592 km (0.109 R)
• M31: 7,975,362 km (0.098 R)
• M32: 8,284,880 km (0.104 R)
• M33: 9,102,582 km (0.1 R)
• M34: 9,263,848 km (0.034 R)
• M35: 9,453,239 km (0.116 R)
• M36: 9,946,014 km (0.074 R)
• M37: 10,391,068 km (0.118 R)
• M38: 10,531,391 km (0.064 R)
• M39: 10,729,159 km (0.105 R)
• M40: 10,814,131 km (0.102 R)
• M41: 11,185,433 km (0.097 R)
• M42: 11,677,311 km (0.102 R)
• M43: 12,058,336 km (0.093 R)
• M44: 12,742,298 km (0.101 R)
• M45: 13,043,588 km (0.05 R)
• M46: 13,438,826 km (0.057 R)
• M47: 13,684,016 km (0.052 R)
• M48: 14,085,537 km (0.058 R)
• M49: 14,272,235 km (0.089 R)
• M50: 14,365,884 km (0.108 R)
• M51: 14,459,681 km (0.099 R)
• M52: 15,281,572 km (0.107 R)
• M53: 15,441,492 km (0.095 R)
• M54: 15,505,520 km (0.06 R)
• M55: 16,021,334 km (0.096 R)
• M56: 16,118,572 km (0.103 R)
• M57: 16,248,722 km (0.102 R)
• M58: 16,575,444 km (0.084 R)
• M59: 16,674,029 km (0.108 R)
• M60: 16,772,614 km (0.109 R)
• M61: 16,871,498 km (0.042 R)
• M62: 17,335,252 km (0.082 R)
• M63: 17,535,414 km (0.119 R)
• M64: 17,937,832 km (0.113 R)
• M65: 18,820,310 km (0.081 R)
• M66: 19,335,824 km (0.049 R)
• M67: 19,474,202 km (0.095 R)
• M68: 19,543,466 km (0.119 R)
• M69: 19,995,551 km (0.062 R)
• M70: 20,135,425 km (0.11 R)
• M71: 21,158,824 km (0.094 R)
• M72: 21,372,749 km (0.04 R)
• M73: 21,479,861 km (0.075 R)
• M74: 21,658,929 km (0.103 R)
• M75: 21,946,456 km (0.083 R)
• M76: 22,307,735 km (0.108 R)
• M77: 22,416,493 km (0.078 R)
• M78: 23,292,837 km (0.089 R)
• M79: 23,513,644 km (0.073 R)
• M80: 23,661,297 km (0.043 R)
• M81: 23,772,149 km (0.056 R)
• M82: 24,031,701 km (0.108 R)
• M83: 24,180,401 km (0.115 R)
• M84: 24,403,901 km (0.117 R)
• M85: 24,478,700 km (0.105 R)
• M86: 24,703,246 km (0.089 R)
• M87: 24,966,089 km (0.108 R)
• M88: 25,229,830 km (0.08 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.6

Radius: 12.5

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 9.9 AU - 13.18 AU

Year: 14768 Days

Day: 13.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 55,954,381 km

• M1: 301,589 km (0.11 R)
• M2: 474,824 km (0.101 R)
• M3: 955,182 km (0.11 R)
• M4: 1,123,181 km (0.077 R)
• M5: 1,324,540 km (0.112 R)
• M6: 1,946,567 km (0.113 R)
• M7: 2,053,979 km (0.041 R)
• M8: 2,621,403 km (0.113 R)
• M9: 2,710,713 km (0.089 R)
• M10: 2,953,960 km (0.117 R)
• M11: 3,078,425 km (0.111 R)
• M12: 3,172,821 km (0.047 R)
• M13: 3,895,229 km (0.037 R)
• M14: 4,849,813 km (0.088 R)
• M15: 4,997,317 km (0.113 R)
• M16: 5,183,716 km (0.069 R)
• M17: 5,486,951 km (0.075 R)
• M18: 5,602,141 km (0.054 R)
• M19: 5,756,975 km (0.052 R)
• M20: 6,512,145 km (0.06 R)
• M21: 6,716,047 km (0.103 R)
• M22: 7,005,219 km (0.074 R)
• M23: 7,256,245 km (0.095 R)
• M24: 7,552,897 km (0.1 R)
• M25: 7,896,972 km (0.115 R)
• M26: 8,114,637 km (0.086 R)
• M27: 9,095,850 km (0.052 R)
• M28: 9,415,989 km (0.097 R)
• M29: 10,589,435 km (0.084 R)
• M30: 11,120,208 km (0.093 R)
• M31: 12,510,571 km (0.105 R)
• M32: 12,713,725 km (0.073 R)
• M33: 12,866,763 km (0.107 R)
• M34: 13,485,051 km (0.105 R)
• M35: 14,590,430 km (0.112 R)
• M36: 15,779,434 km (0.107 R)
• M37: 16,441,105 km (0.038 R)
• M38: 19,119,057 km (0.027 R)
• M39: 20,358,774 km (0.073 R)
• M40: 20,837,787 km (0.118 R)
• M41: 21,018,501 km (0.1 R)
• M42: 22,482,166 km (0.043 R)
• M43: 22,853,319 km (0.099 R)
• M44: 23,789,801 km (0.09 R)
• M45: 24,231,265 km (0.108 R)
• M46: 26,218,224 km (0.104 R)
• M47: 26,739,423 km (0.105 R)
• M48: 27,395,858 km (0.068 R)
• M49: 27,726,021 km (0.025 R)
• M50: 27,991,108 km (0.108 R)
• M51: 28,590,696 km (0.083 R)
• M52: 31,168,567 km (0.11 R)
• M53: 31,582,354 km (0.062 R)
• M54: 32,834,788 km (0.101 R)
• M55: 33,396,528 km (0.057 R)
• M56: 33,749,280 km (0.101 R)
• M57: 35,172,703 km (0.059 R)
• M58: 35,747,458 km (0.037 R)
• M59: 36,108,438 km (0.066 R)
• M60: 37,125,105 km (0.079 R)
• M61: 37,490,573 km (0.063 R)
• M62: 38,741,959 km (0.1 R)
• M63: 39,187,013 km (0.083 R)
• M64: 39,708,212 km (0.082 R)
• M65: 39,857,510 km (0.095 R)
• M66: 40,306,753 km (0.103 R)
• M67: 40,531,897 km (0.083 R)
• M68: 40,908,286 km (0.116 R)
• M69: 41,892,041 km (0.069 R)
• M70: 44,967,624 km (0.081 R)
• M71: 47,005,596 km (0.102 R)
• M72: 47,400,983 km (0.084 R)
• M73: 48,593,577 km (0.092 R)
• M74: 49,314,040 km (0.093 R)
• M75: 50,199,211 km (0.101 R)
• M76: 50,279,994 km (0.067 R)
• M77: 50,441,560 km (0.1 R)
• M78: 50,846,371 km (0.07 R)
• M79: 51,414,843 km (0.097 R)
• M80: 51,740,668 km (0.077 R)
• M81: 51,822,198 km (0.107 R)
• M82: 51,985,410 km (0.04 R)
• M83: 53,215,254 km (0.031 R)
• M84: 54,537,549 km (0.097 R)
• M85: 54,703,603 km (0.12 R)
• M86: 55,369,463 km (0.115 R)
• M87: 55,619,890 km (0.115 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: 483 - 10,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit