🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.67 AU - 0.69 AU

Year: 216 Days

Day: 38.2 Hours

Environment

Temp: 137 °C

Axial Tilt: 25.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.81 AU - 1.33 AU

Year: 426 Days

Day: 40.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 50 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.4 AU - 2.58 AU

Year: 1513 Days

Day: 37.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.9 AU - 3.1 AU

Year: 2001 Days

Day: 24.1 Hours

Environment

Temp: -113 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.36 AU - 3.56 AU

Year: 2478 Days

Day: 35.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.3

Radius: 11.8

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.61 AU - 4.75 AU

Year: 3290 Days

Day: 10.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 60,626,045 km

• M1: 167,550 km (0.096 R)
• M2: 246,238 km (0.092 R)
• M3: 403,765 km (0.113 R)
• M4: 626,366 km (0.079 R)
• M5: 790,176 km (0.031 R)
• M6: 1,143,825 km (0.099 R)
• M7: 1,513,781 km (0.098 R)
• M8: 1,796,072 km (0.093 R)
• M9: 1,989,951 km (0.073 R)
• M10: 2,095,567 km (0.102 R)
• M11: 2,524,015 km (0.109 R)
• M12: 3,224,881 km (0.069 R)
• M13: 3,533,053 km (0.107 R)
• M14: 3,748,623 km (0.105 R)
• M15: 4,102,722 km (0.106 R)
• M16: 4,177,969 km (0.09 R)
• M17: 4,268,775 km (0.112 R)
• M18: 4,344,921 km (0.08 R)
• M19: 4,452,332 km (0.07 R)
• M20: 4,545,232 km (0.034 R)
• M21: 4,764,393 km (0.085 R)
• M22: 4,843,381 km (0.064 R)
• M23: 5,035,165 km (0.07 R)
• M24: 5,360,241 km (0.112 R)
• M25: 5,459,125 km (0.056 R)
• M26: 5,692,199 km (0.097 R)
• M27: 6,065,296 km (0.093 R)
• M28: 6,428,819 km (0.115 R)
• M29: 6,586,794 km (0.051 R)
• M30: 7,014,495 km (0.059 R)
• M31: 7,159,006 km (0.118 R)
• M32: 7,322,816 km (0.114 R)
• M33: 7,561,724 km (0.102 R)
• M34: 7,672,875 km (0.092 R)
• M35: 7,821,874 km (0.107 R)
• M36: 7,953,072 km (0.079 R)
• M37: 8,141,864 km (0.107 R)
• M38: 8,313,004 km (0.098 R)
• M39: 8,542,936 km (0.083 R)
• M40: 8,775,112 km (0.064 R)
• M41: 9,364,677 km (0.036 R)
• M42: 9,563,941 km (0.091 R)
• M43: 9,664,172 km (0.088 R)
• M44: 10,150,216 km (0.119 R)
• M45: 10,272,886 km (0.108 R)
• M46: 10,375,510 km (0.05 R)
• M47: 10,561,161 km (0.103 R)
• M48: 10,768,803 km (0.113 R)
• M49: 10,852,278 km (0.11 R)
• M50: 11,188,126 km (0.077 R)
• M51: 11,548,656 km (0.069 R)
• M52: 11,698,254 km (0.094 R)
• M53: 11,891,535 km (0.11 R)
• M54: 12,021,086 km (0.068 R)
• M55: 12,521,641 km (0.056 R)
• M56: 12,785,532 km (0.099 R)
• M57: 13,318,998 km (0.096 R)
• M58: 13,408,607 km (0.027 R)
• M59: 13,791,577 km (0.109 R)
• M60: 13,904,972 km (0.117 R)
• M61: 14,476,436 km (0.108 R)
• M62: 14,568,589 km (0.05 R)
• M63: 14,661,040 km (0.071 R)
• M64: 15,266,014 km (0.096 R)
• M65: 15,453,759 km (0.103 R)
• M66: 15,736,948 km (0.112 R)
• M67: 15,831,793 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.3

Radius: 15

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.45 AU - 5.69 AU

Year: 3761 Days

Day: 9.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 60,626,045 km

• M1: 207,343 km (0.07 R)
• M2: 314,754 km (0.102 R)
• M3: 513,121 km (0.093 R)
• M4: 730,935 km (0.071 R)
• M5: 907,610 km (0.05 R)
• M6: 1,140,534 km (0.094 R)
• M7: 1,329,027 km (0.09 R)
• M8: 1,551,180 km (0.081 R)
• M9: 1,667,119 km (0.038 R)
• M10: 2,020,618 km (0.072 R)
• M11: 2,331,782 km (0.071 R)
• M12: 2,827,699 km (0.108 R)
• M13: 2,971,612 km (0.05 R)
• M14: 3,221,740 km (0.089 R)
• M15: 3,402,604 km (0.111 R)
• M16: 3,525,124 km (0.109 R)
• M17: 3,680,407 km (0.043 R)
• M18: 3,997,853 km (0.116 R)
• M19: 4,176,473 km (0.081 R)
• M20: 4,274,909 km (0.111 R)
• M21: 4,424,207 km (0.077 R)
• M22: 4,524,737 km (0.075 R)
• M23: 4,676,878 km (0.085 R)
• M24: 5,073,761 km (0.073 R)
• M25: 5,535,570 km (0.119 R)
• M26: 5,881,889 km (0.088 R)
• M27: 5,992,592 km (0.053 R)
• M28: 6,481,029 km (0.088 R)
• M29: 6,749,407 km (0.105 R)
• M30: 6,923,838 km (0.104 R)
• M31: 7,060,720 km (0.057 R)
• M32: 7,317,131 km (0.052 R)
• M33: 7,496,349 km (0.095 R)
• M34: 8,331,853 km (0.038 R)
• M35: 8,477,562 km (0.074 R)
• M36: 8,603,074 km (0.073 R)
• M37: 8,919,623 km (0.098 R)
• M38: 9,261,455 km (0.098 R)
• M39: 9,477,324 km (0.101 R)
• M40: 10,068,685 km (0.114 R)
• M41: 10,268,398 km (0.084 R)
• M42: 10,402,438 km (0.102 R)
• M43: 10,626,834 km (0.085 R)
• M44: 10,921,243 km (0.114 R)
• M45: 11,310,197 km (0.086 R)
• M46: 12,078,233 km (0.12 R)
• M47: 12,172,480 km (0.025 R)
• M48: 12,623,517 km (0.095 R)
• M49: 13,128,560 km (0.097 R)
• M50: 13,225,499 km (0.11 R)
• M51: 13,371,357 km (0.086 R)
• M52: 13,542,198 km (0.035 R)
• M53: 14,834,125 km (0.113 R)
• M54: 15,163,240 km (0.104 R)
• M55: 15,700,147 km (0.108 R)
• M56: 16,191,127 km (0.111 R)
• M57: 17,480,960 km (0.108 R)
• M58: 17,614,551 km (0.108 R)
• M59: 17,936,186 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187

Radius: 7.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 14.16 AU - 20.04 AU

Year: 27225 Days

Day: 19.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 60,626,045 km

• M1: 317,147 km (0.087 R)
• M2: 422,464 km (0.089 R)
• M3: 558,299 km (0.085 R)
• M4: 631,752 km (0.041 R)
• M5: 872,904 km (0.086 R)
• M6: 1,118,394 km (0.076 R)
• M7: 1,436,140 km (0.106 R)
• M8: 1,539,512 km (0.12 R)
• M9: 1,645,427 km (0.104 R)
• M10: 2,093,024 km (0.116 R)
• M11: 2,300,516 km (0.069 R)
• M12: 2,639,954 km (0.037 R)
• M13: 3,750,269 km (0.096 R)
• M14: 3,893,733 km (0.096 R)
• M15: 6,595,770 km (0.025 R)
• M16: 7,658,813 km (0.072 R)
• M17: 8,117,330 km (0.109 R)
• M18: 8,210,081 km (0.089 R)
• M19: 9,302,145 km (0.092 R)
• M20: 10,743,072 km (0.052 R)
• M21: 11,671,925 km (0.12 R)
• M22: 12,146,001 km (0.095 R)
• M23: 14,048,736 km (0.119 R)
• M24: 14,440,234 km (0.083 R)
• M25: 14,892,169 km (0.055 R)
• M26: 15,463,483 km (0.068 R)
• M27: 16,686,745 km (0.098 R)
• M28: 16,745,686 km (0.105 R)
• M29: 18,487,305 km (0.082 R)
• M30: 18,732,047 km (0.066 R)
• M31: 18,977,836 km (0.067 R)
• M32: 19,410,623 km (0.066 R)
• M33: 19,721,637 km (0.102 R)
• M34: 20,728,131 km (0.088 R)
• M35: 20,855,140 km (0.098 R)
• M36: 20,982,448 km (0.11 R)
• M37: 21,046,176 km (0.114 R)
• M38: 21,109,905 km (0.092 R)
• M39: 22,204,214 km (0.101 R)
• M40: 23,514,990 km (0.088 R)
• M41: 23,647,384 km (0.081 R)
• M42: 23,979,641 km (0.098 R)
• M43: 25,391,845 km (0.113 R)
• M44: 27,107,882 km (0.062 R)
• M45: 28,436,910 km (0.114 R)
• M46: 29,644,015 km (0.1 R)
• M47: 30,506,147 km (0.09 R)
• M48: 31,595,369 km (0.074 R)
• M49: 32,107,892 km (0.054 R)
• M50: 34,787,489 km (0.076 R)
• M51: 35,089,677 km (0.114 R)
• M52: 35,544,454 km (0.12 R)
• M53: 37,847,812 km (0.094 R)
• M54: 40,278,180 km (0.061 R)
• M55: 40,357,466 km (0.119 R)
• M56: 41,792,559 km (0.066 R)
• M57: 44,221,280 km (0.117 R)
• M58: 46,446,100 km (0.099 R)
• M59: 47,865,484 km (0.075 R)
• M60: 48,538,376 km (0.071 R)
• M61: 49,299,081 km (0.079 R)
• M62: 49,638,369 km (0.109 R)
• M63: 50,234,067 km (0.12 R)
• M64: 52,900,799 km (0.066 R)
• M65: 54,207,536 km (0.108 R)
• M66: 54,557,745 km (0.053 R)
• M67: 55,084,629 km (0.041 R)
• M68: 56,054,771 km (0.077 R)
• M69: 56,763,865 km (0.075 R)
• M70: 58,370,247 km (0.086 R)
• M71: 58,460,006 km (0.102 R)
• M72: 59,179,122 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 15,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit