🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.53 AU - 0.57 AU

Year: 259 Days

Day: 39.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 44.3 °

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: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.46 AU - 0.64 AU

Year: 259 Days

Day: 23.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,493,054 km

• M1: 64,626 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.58 AU - 0.58 AU

Year: 281 Days

Day: 36.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.57 AU - 0.75 AU

Year: 341 Days

Day: 47 Hours

Environment

Temp: -137 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,493,054 km

• M1: 48,021 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.2

Radius: 8.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.58 AU - 0.84 AU

Year: 380 Days

Day: 13.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 23,493,054 km

• M1: 117,883 km (0.066 R)
• M2: 182,360 km (0.068 R)
• M3: 250,576 km (0.106 R)
• M4: 313,557 km (0.034 R)
• M5: 378,782 km (0.052 R)
• M6: 463,604 km (0.06 R)
• M7: 573,708 km (0.12 R)
• M8: 635,492 km (0.07 R)
• M9: 709,842 km (0.111 R)
• M10: 780,452 km (0.077 R)
• M11: 835,953 km (0.118 R)
• M12: 896,540 km (0.086 R)
• M13: 984,653 km (0.11 R)
• M14: 1,041,351 km (0.114 R)
• M15: 1,122,732 km (0.103 R)
• M16: 1,300,454 km (0.067 R)
• M17: 1,439,730 km (0.079 R)
• M18: 1,513,482 km (0.034 R)
• M19: 1,606,532 km (0.096 R)
• M20: 1,665,024 km (0.091 R)
• M21: 1,724,265 km (0.098 R)
• M22: 1,812,229 km (0.117 R)
• M23: 1,887,476 km (0.069 R)
• M24: 1,958,984 km (0.117 R)
• M25: 2,065,647 km (0.057 R)
• M26: 2,139,399 km (0.089 R)
• M27: 2,199,089 km (0.102 R)
• M28: 2,254,290 km (0.102 R)
• M29: 2,361,103 km (0.025 R)
• M30: 2,553,336 km (0.114 R)
• M31: 2,611,530 km (0.047 R)
• M32: 2,718,493 km (0.038 R)
• M33: 2,876,169 km (0.053 R)
• M34: 2,936,756 km (0.102 R)
• M35: 3,126,745 km (0.063 R)
• M36: 3,206,182 km (0.081 R)
• M37: 3,303,719 km (0.087 R)
• M38: 3,390,486 km (0.054 R)
• M39: 3,472,167 km (0.116 R)
• M40: 3,691,178 km (0.094 R)
• M41: 3,817,588 km (0.079 R)
• M42: 3,933,078 km (0.085 R)
• M43: 4,117,981 km (0.118 R)
• M44: 4,174,080 km (0.115 R)
• M45: 4,230,329 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.4

Radius: 13.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.9 AU - 1.16 AU

Year: 665 Days

Day: 13.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 23,493,054 km

• M1: 180,864 km (0.069 R)
• M2: 276,008 km (0.105 R)
• M3: 364,121 km (0.032 R)
• M4: 465,698 km (0.094 R)
• M5: 643,720 km (0.056 R)
• M6: 742,604 km (0.047 R)
• M7: 882,777 km (0.102 R)
• M8: 991,535 km (0.098 R)
• M9: 1,101,340 km (0.07 R)
• M10: 1,264,401 km (0.089 R)
• M11: 1,384,827 km (0.044 R)
• M12: 1,548,936 km (0.073 R)
• M13: 1,692,251 km (0.081 R)
• M14: 1,779,616 km (0.042 R)
• M15: 1,911,262 km (0.093 R)
• M16: 2,120,101 km (0.075 R)
• M17: 2,224,969 km (0.049 R)
• M18: 2,316,224 km (0.119 R)
• M19: 2,455,499 km (0.086 R)
• M20: 2,581,760 km (0.109 R)
• M21: 2,699,494 km (0.116 R)
• M22: 3,097,723 km (0.105 R)
• M23: 3,200,198 km (0.093 R)
• M24: 3,292,350 km (0.094 R)
• M25: 3,426,390 km (0.077 R)
• M26: 3,711,972 km (0.036 R)
• M27: 4,036,599 km (0.071 R)
• M28: 4,199,212 km (0.041 R)
• M29: 4,294,207 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965

Radius: 11.3

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.89 AU - 2.17 AU

Year: 1839 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 23,493,054 km

• M1: 144,960 km (0.092 R)
• M2: 294,259 km (0.11 R)
• M3: 501,602 km (0.035 R)
• M4: 669,301 km (0.109 R)
• M5: 929,900 km (0.108 R)
• M6: 1,082,341 km (0.081 R)
• M7: 1,212,790 km (0.115 R)
• M8: 1,489,845 km (0.073 R)
• M9: 1,716,935 km (0.074 R)
• M10: 2,004,611 km (0.089 R)
• M11: 2,154,359 km (0.102 R)
• M12: 2,269,250 km (0.089 R)
• M13: 2,452,059 km (0.078 R)
• M14: 2,694,258 km (0.077 R)
• M15: 2,776,836 km (0.11 R)
• M16: 3,144,248 km (0.108 R)
• M17: 3,348,748 km (0.046 R)
• M18: 3,633,283 km (0.049 R)
• M19: 3,817,139 km (0.062 R)
• M20: 4,419,420 km (0.082 R)
• M21: 4,615,842 km (0.062 R)
• M22: 4,715,175 km (0.098 R)
• M23: 4,798,501 km (0.072 R)
• M24: 4,983,554 km (0.112 R)
• M25: 5,188,204 km (0.11 R)
• M26: 5,274,372 km (0.072 R)
• M27: 5,447,906 km (0.112 R)
• M28: 6,052,431 km (0.069 R)
• M29: 6,418,048 km (0.095 R)
• M30: 6,942,089 km (0.113 R)
• M31: 7,056,232 km (0.052 R)
• M32: 7,557,834 km (0.096 R)
• M33: 7,695,015 km (0.055 R)
• M34: 7,813,048 km (0.101 R)
• M35: 7,911,932 km (0.116 R)
• M36: 7,991,369 km (0.075 R)
• M37: 8,677,424 km (0.109 R)
• M38: 8,759,404 km (0.114 R)
• M39: 9,235,574 km (0.104 R)
• M40: 9,319,349 km (0.079 R)
• M41: 9,424,367 km (0.103 R)
• M42: 9,699,028 km (0.117 R)
• M43: 10,235,038 km (0.034 R)
• M44: 10,430,263 km (0.094 R)
• M45: 10,802,612 km (0.086 R)
• M46: 11,023,717 km (0.089 R)
• M47: 11,515,296 km (0.052 R)
• M48: 11,945,540 km (0.031 R)
• M49: 12,151,237 km (0.052 R)
• M50: 12,358,131 km (0.119 R)
• M51: 13,126,764 km (0.066 R)
• M52: 13,552,520 km (0.044 R)
• M53: 13,671,600 km (0.103 R)
• M54: 13,743,257 km (0.118 R)
• M55: 14,223,766 km (0.092 R)
• M56: 14,369,175 km (0.079 R)
• M57: 14,612,271 km (0.116 R)
• M58: 14,685,574 km (0.117 R)
• M59: 15,573,886 km (0.096 R)
• M60: 16,302,129 km (0.092 R)
• M61: 16,759,749 km (0.108 R)
• M62: 16,862,074 km (0.091 R)
• M63: 17,041,591 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.3

Radius: 13.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.12 AU - 4.6 AU

Year: 4822 Days

Day: 5.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 23,493,054 km

• M1: 270,772 km (0.064 R)
• M2: 386,262 km (0.082 R)
• M3: 991,385 km (0.119 R)
• M4: 1,281,904 km (0.088 R)
• M5: 1,667,418 km (0.082 R)
• M6: 1,769,593 km (0.103 R)
• M7: 1,874,013 km (0.12 R)
• M8: 2,089,284 km (0.086 R)
• M9: 2,175,303 km (0.115 R)
• M10: 2,402,093 km (0.077 R)
• M11: 2,920,599 km (0.03 R)
• M12: 3,031,302 km (0.048 R)
• M13: 3,129,438 km (0.052 R)
• M14: 3,328,852 km (0.072 R)
• M15: 3,770,465 km (0.106 R)
• M16: 3,891,489 km (0.091 R)
• M17: 4,215,518 km (0.1 R)
• M18: 4,357,038 km (0.025 R)
• M19: 4,661,170 km (0.029 R)
• M20: 4,955,729 km (0.084 R)
• M21: 5,071,966 km (0.066 R)
• M22: 5,239,665 km (0.092 R)
• M23: 5,788,690 km (0.087 R)
• M24: 5,981,671 km (0.07 R)
• M25: 6,176,746 km (0.037 R)
• M26: 6,374,066 km (0.08 R)
• M27: 6,555,379 km (0.084 R)
• M28: 6,738,337 km (0.066 R)
• M29: 6,885,840 km (0.098 R)
• M30: 7,071,940 km (0.107 R)
• M31: 7,988,078 km (0.059 R)
• M32: 8,282,037 km (0.108 R)
• M33: 8,780,049 km (0.083 R)
• M34: 9,287,784 km (0.097 R)
• M35: 9,472,836 km (0.107 R)
• M36: 10,014,680 km (0.099 R)
• M37: 10,141,240 km (0.099 R)
• M38: 11,369,139 km (0.113 R)
• M39: 11,457,103 km (0.058 R)
• M40: 11,567,356 km (0.038 R)
• M41: 11,722,340 km (0.12 R)
• M42: 12,666,601 km (0.103 R)
• M43: 13,542,048 km (0.032 R)
• M44: 13,822,544 km (0.095 R)
• M45: 14,081,348 km (0.08 R)
• M46: 14,867,635 km (0.099 R)
• M47: 15,423,989 km (0.085 R)
• M48: 15,962,542 km (0.096 R)
• M49: 16,085,810 km (0.044 R)
• M50: 16,308,561 km (0.089 R)
• M51: 16,682,107 km (0.063 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.2

Radius: 13

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.83 AU - 6.45 AU

Year: 8516 Days

Day: 5.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 23,493,054 km

• M1: 243,097 km (0.107 R)
• M2: 539,450 km (0.085 R)
• M3: 1,012,927 km (0.096 R)
• M4: 1,383,780 km (0.061 R)
• M5: 1,490,144 km (0.116 R)
• M6: 1,782,608 km (0.079 R)
• M7: 2,078,662 km (0.07 R)
• M8: 2,295,579 km (0.087 R)
• M9: 2,618,561 km (0.118 R)
• M10: 3,113,132 km (0.078 R)
• M11: 3,786,472 km (0.034 R)
• M12: 3,938,014 km (0.047 R)
• M13: 4,208,188 km (0.111 R)
• M14: 4,345,519 km (0.103 R)
• M15: 4,930,746 km (0.109 R)
• M16: 5,054,912 km (0.086 R)
• M17: 5,201,219 km (0.11 R)
• M18: 6,152,811 km (0.109 R)
• M19: 6,444,377 km (0.084 R)
• M20: 7,298,880 km (0.092 R)
• M21: 8,885,216 km (0.055 R)
• M22: 9,574,713 km (0.086 R)
• M23: 9,886,774 km (0.083 R)
• M24: 10,869,931 km (0.083 R)
• M25: 11,551,798 km (0.104 R)
• M26: 11,828,404 km (0.066 R)
• M27: 12,985,694 km (0.116 R)
• M28: 13,825,985 km (0.096 R)
• M29: 14,267,598 km (0.045 R)
• M30: 14,386,079 km (0.094 R)
• M31: 15,074,080 km (0.12 R)
• M32: 16,234,062 km (0.089 R)
• M33: 16,513,062 km (0.117 R)
• M34: 16,950,187 km (0.048 R)
• M35: 17,138,830 km (0.079 R)
• M36: 17,486,196 km (0.089 R)
• M37: 17,613,055 km (0.101 R)
• M38: 18,091,768 km (0.033 R)
• M39: 18,252,287 km (0.044 R)
• M40: 18,542,506 km (0.062 R)
• M41: 19,258,183 km (0.048 R)
• M42: 20,016,046 km (0.112 R)
• M43: 20,348,602 km (0.098 R)
• M44: 20,482,043 km (0.106 R)
• M45: 21,697,077 km (0.114 R)
• M46: 22,831,328 km (0.058 R)
• M47: 23,248,556 km (0.115 R)
• M48: 23,388,131 km (0.063 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 14,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit