🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.53 AU - 0.55 AU

Year: 260 Days

Day: 14.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.45 AU - 0.65 AU

Year: 268 Days

Day: 40.3 Hours

Environment

Temp: -117 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,447,353 km

• M1: 226,192 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.5 AU - 0.8 AU

Year: 344 Days

Day: 18.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.9

Radius: 8.9

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.77 AU - 0.85 AU

Year: 478 Days

Day: 10 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 9,447,353 km

• M1: 149,598 km (0.06 R)
• M2: 208,390 km (0.117 R)
• M3: 318,793 km (0.096 R)
• M4: 406,906 km (0.093 R)
• M5: 515,215 km (0.072 R)
• M6: 576,550 km (0.114 R)
• M7: 639,232 km (0.088 R)
• M8: 699,220 km (0.071 R)
• M9: 757,863 km (0.083 R)
• M10: 829,221 km (0.113 R)
• M11: 891,753 km (0.102 R)
• M12: 1,085,632 km (0.073 R)
• M13: 1,158,785 km (0.068 R)
• M14: 1,221,167 km (0.114 R)
• M15: 1,299,706 km (0.029 R)
• M16: 1,379,891 km (0.06 R)
• M17: 1,484,460 km (0.114 R)
• M18: 1,633,310 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.3

Radius: 12.5

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.98 AU - 1.08 AU

Year: 686 Days

Day: 6.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 9,447,353 km

• M1: 179,517 km (0.08 R)
• M2: 277,654 km (0.052 R)
• M3: 505,491 km (0.083 R)
• M4: 626,217 km (0.109 R)
• M5: 721,660 km (0.053 R)
• M6: 806,482 km (0.107 R)
• M7: 935,286 km (0.087 R)
• M8: 1,077,553 km (0.073 R)
• M9: 1,157,888 km (0.045 R)
• M10: 1,246,749 km (0.088 R)
• M11: 1,371,513 km (0.095 R)
• M12: 1,514,529 km (0.087 R)
• M13: 1,655,600 km (0.105 R)
• M14: 1,735,036 km (0.113 R)
• M15: 1,853,069 km (0.095 R)
• M16: 2,012,391 km (0.071 R)
• M17: 2,168,272 km (0.079 R)
• M18: 2,312,334 km (0.101 R)
• M19: 2,609,884 km (0.082 R)
• M20: 2,911,324 km (0.119 R)
• M21: 3,088,598 km (0.12 R)
• M22: 3,205,882 km (0.084 R)
• M23: 3,642,409 km (0.029 R)
• M24: 3,776,149 km (0.052 R)
• M25: 3,930,983 km (0.11 R)
• M26: 4,048,567 km (0.087 R)
• M27: 4,137,578 km (0.111 R)
• M28: 4,378,131 km (0.03 R)
• M29: 4,664,462 km (0.109 R)
• M30: 4,820,492 km (0.096 R)
• M31: 4,999,561 km (0.114 R)
• M32: 5,105,775 km (0.114 R)
• M33: 5,385,823 km (0.113 R)
• M34: 5,848,678 km (0.053 R)
• M35: 6,255,884 km (0.111 R)
• M36: 6,695,552 km (0.083 R)
• M37: 6,966,623 km (0.04 R)
• M38: 7,217,349 km (0.106 R)
• M39: 7,483,334 km (0.11 R)
• M40: 7,801,679 km (0.039 R)
• M41: 7,925,246 km (0.04 R)
• M42: 8,149,494 km (0.098 R)
• M43: 8,401,267 km (0.056 R)
• M44: 8,553,408 km (0.116 R)
• M45: 8,655,434 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.1

Radius: 8.8

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.01 AU - 1.11 AU

Year: 716 Days

Day: 12.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 9,447,353 km

• M1: 114,891 km (0.109 R)
• M2: 251,324 km (0.038 R)
• M3: 422,315 km (0.096 R)
• M4: 477,367 km (0.089 R)
• M5: 565,480 km (0.062 R)
• M6: 659,577 km (0.065 R)
• M7: 720,015 km (0.03 R)
• M8: 794,065 km (0.072 R)
• M9: 852,857 km (0.115 R)
• M10: 975,229 km (0.06 R)
• M11: 1,143,377 km (0.076 R)
• M12: 1,300,305 km (0.114 R)
• M13: 1,457,083 km (0.094 R)
• M14: 1,590,076 km (0.095 R)
• M15: 1,688,661 km (0.038 R)
• M16: 1,820,756 km (0.044 R)
• M17: 1,892,114 km (0.112 R)
• M18: 2,004,911 km (0.08 R)
• M19: 2,136,856 km (0.099 R)
• M20: 2,288,548 km (0.087 R)
• M21: 2,829,345 km (0.103 R)
• M22: 2,893,971 km (0.117 R)
• M23: 2,959,046 km (0.042 R)
• M24: 3,043,419 km (0.081 R)
• M25: 3,214,709 km (0.098 R)
• M26: 3,301,625 km (0.118 R)
• M27: 3,616,678 km (0.108 R)
• M28: 3,727,231 km (0.111 R)
• M29: 3,818,635 km (0.065 R)
• M30: 4,024,332 km (0.077 R)
• M31: 4,170,489 km (0.117 R)
• M32: 4,233,620 km (0.116 R)
• M33: 4,297,049 km (0.075 R)
• M34: 4,435,726 km (0.086 R)
• M35: 4,532,666 km (0.101 R)
• M36: 4,927,305 km (0.106 R)
• M37: 5,027,835 km (0.061 R)
• M38: 5,083,784 km (0.049 R)
• M39: 5,140,183 km (0.029 R)
• M40: 5,219,320 km (0.103 R)
• M41: 5,609,621 km (0.086 R)
• M42: 5,726,158 km (0.041 R)
• M43: 6,021,314 km (0.078 R)
• M44: 6,104,790 km (0.104 R)
• M45: 6,236,885 km (0.113 R)
• M46: 6,345,642 km (0.095 R)
• M47: 6,430,614 km (0.109 R)
• M48: 6,724,873 km (0.107 R)
• M49: 6,886,289 km (0.049 R)
• M50: 7,061,319 km (0.038 R)
• M51: 7,149,581 km (0.073 R)
• M52: 7,212,712 km (0.107 R)
• M53: 7,480,043 km (0.094 R)
• M54: 7,660,159 km (0.05 R)
• M55: 7,919,861 km (0.104 R)
• M56: 8,011,564 km (0.089 R)
• M57: 8,077,238 km (0.086 R)
• M58: 8,434,777 km (0.083 R)
• M59: 8,622,223 km (0.119 R)
• M60: 8,797,552 km (0.05 R)
• M61: 9,261,754 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.1

Radius: 14.3

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.07 AU - 1.73 AU

Year: 1087 Days

Day: 9.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 9,447,353 km

• M1: 178,769 km (0.047 R)
• M2: 325,675 km (0.058 R)
• M3: 581,337 km (0.092 R)
• M4: 751,879 km (0.072 R)
• M5: 883,525 km (0.098 R)
• M6: 991,535 km (0.107 R)
• M7: 1,090,269 km (0.065 R)
• M8: 1,212,341 km (0.086 R)
• M9: 1,397,095 km (0.112 R)
• M10: 1,536,669 km (0.116 R)
• M11: 1,732,343 km (0.046 R)
• M12: 1,824,795 km (0.04 R)
• M13: 1,990,549 km (0.112 R)
• M14: 2,155,406 km (0.111 R)
• M15: 2,274,187 km (0.03 R)
• M16: 2,617,514 km (0.071 R)
• M17: 2,738,090 km (0.075 R)
• M18: 2,839,966 km (0.079 R)
• M19: 2,977,895 km (0.11 R)
• M20: 3,604,261 km (0.1 R)
• M21: 3,913,630 km (0.117 R)
• M22: 4,200,409 km (0.101 R)
• M23: 4,318,741 km (0.101 R)
• M24: 4,688,397 km (0.03 R)
• M25: 4,786,683 km (0.111 R)
• M26: 4,910,251 km (0.105 R)
• M27: 5,076,903 km (0.067 R)
• M28: 5,194,786 km (0.084 R)
• M29: 5,356,053 km (0.101 R)
• M30: 5,458,826 km (0.037 R)
• M31: 5,562,198 km (0.069 R)
• M32: 5,666,319 km (0.064 R)
• M33: 5,762,360 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.9

Radius: 8.3

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.18 AU - 2.78 AU

Year: 2562 Days

Day: 7.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 9,447,353 km

• M1: 105,616 km (0.078 R)
• M2: 172,486 km (0.111 R)
• M3: 227,090 km (0.113 R)
• M4: 291,267 km (0.073 R)
• M5: 368,160 km (0.084 R)
• M6: 603,179 km (0.057 R)
• M7: 712,535 km (0.09 R)
• M8: 834,756 km (0.076 R)
• M9: 983,307 km (0.094 R)
• M10: 1,194,988 km (0.094 R)
• M11: 1,299,407 km (0.059 R)
• M12: 1,428,809 km (0.096 R)
• M13: 1,585,139 km (0.094 R)
• M14: 1,646,325 km (0.116 R)
• M15: 1,802,654 km (0.055 R)
• M16: 1,923,081 km (0.088 R)
• M17: 2,046,349 km (0.113 R)
• M18: 2,440,540 km (0.098 R)
• M19: 2,529,401 km (0.1 R)
• M20: 2,756,341 km (0.072 R)
• M21: 2,839,667 km (0.041 R)
• M22: 3,028,011 km (0.118 R)
• M23: 3,259,289 km (0.102 R)
• M24: 3,647,495 km (0.116 R)
• M25: 3,708,681 km (0.064 R)
• M26: 3,873,089 km (0.062 R)
• M27: 3,966,737 km (0.073 R)
• M28: 4,029,568 km (0.096 R)
• M29: 4,198,614 km (0.092 R)
• M30: 4,489,432 km (0.086 R)
• M31: 4,587,867 km (0.068 R)
• M32: 4,698,121 km (0.117 R)
• M33: 5,342,888 km (0.096 R)
• M34: 5,587,480 km (0.083 R)
• M35: 5,693,396 km (0.089 R)
• M36: 5,943,224 km (0.086 R)
• M37: 6,003,213 km (0.08 R)
• M38: 6,087,586 km (0.101 R)
• M39: 6,196,643 km (0.115 R)
• M40: 6,269,796 km (0.068 R)
• M41: 6,343,099 km (0.059 R)
• M42: 6,429,118 km (0.071 R)
• M43: 6,540,120 km (0.063 R)
• M44: 6,664,436 km (0.114 R)
• M45: 6,726,818 km (0.084 R)
• M46: 6,990,858 km (0.098 R)
• M47: 7,054,288 km (0.105 R)
• M48: 7,156,164 km (0.114 R)
• M49: 7,361,412 km (0.101 R)
• M50: 7,477,650 km (0.051 R)
• M51: 7,542,425 km (0.083 R)
• M52: 7,869,596 km (0.059 R)
• M53: 7,922,404 km (0.12 R)
• M54: 7,975,212 km (0.074 R)
• M55: 8,295,052 km (0.072 R)
• M56: 8,646,308 km (0.077 R)
• M57: 8,728,138 km (0.053 R)
• M58: 8,892,397 km (0.109 R)
• M59: 9,002,501 km (0.101 R)
• M60: 9,071,465 km (0.039 R)
• M61: 9,237,968 km (0.053 R)
• M62: 9,419,280 km (0.093 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 18,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit