🌌 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: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.46 AU - 0.74 AU

Year: 171 Days

Day: 37.6 Hours

Environment

Temp: 190 °C

Axial Tilt: 7.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,901,702 km

• M1: 275,858 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.53 AU - 0.69 AU

Year: 175 Days

Day: 19.2 Hours

Environment

Temp: 202 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,901,702 km

• M1: 108,907 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.81 AU - 0.93 AU

Year: 298 Days

Day: 15.3 Hours

Environment

Temp: 76 °C

Axial Tilt: 26.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.96 AU - 1.32 AU

Year: 447 Days

Day: 12.4 Hours

Environment

Temp: 24 °C

Axial Tilt: 38.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.41 AU - 1.67 AU

Year: 702 Days

Day: 41 Hours

Environment

Temp: -40 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,901,702 km

• M1: 51,761 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.03 AU - 3.37 AU

Year: 1629 Days

Day: 46.4 Hours

Environment

Temp: -95 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,901,702 km

• M1: 584,030 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.8

Radius: 13.1

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.73 AU - 5.19 AU

Year: 4055 Days

Day: 11.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 20,901,702 km

• M1: 321,785 km (0.089 R)
• M2: 603,179 km (0.117 R)
• M3: 706,252 km (0.077 R)
• M4: 837,150 km (0.103 R)
• M5: 1,209,050 km (0.095 R)
• M6: 1,357,152 km (0.092 R)
• M7: 1,631,664 km (0.093 R)
• M8: 1,713,494 km (0.101 R)
• M9: 1,996,683 km (0.116 R)
• M10: 2,189,215 km (0.063 R)
• M11: 2,403,439 km (0.11 R)
• M12: 2,640,851 km (0.107 R)
• M13: 2,886,042 km (0.06 R)
• M14: 3,036,837 km (0.117 R)
• M15: 3,121,808 km (0.101 R)
• M16: 3,276,792 km (0.05 R)
• M17: 3,775,401 km (0.09 R)
• M18: 4,146,255 km (0.059 R)
• M19: 4,240,950 km (0.096 R)
• M20: 4,451,584 km (0.104 R)
• M21: 4,724,899 km (0.082 R)
• M22: 5,104,728 km (0.094 R)
• M23: 5,206,305 km (0.096 R)
• M24: 5,515,225 km (0.103 R)
• M25: 5,809,035 km (0.068 R)
• M26: 6,194,399 km (0.064 R)
• M27: 6,368,381 km (0.101 R)
• M28: 6,698,993 km (0.111 R)
• M29: 6,788,153 km (0.077 R)
• M30: 6,922,641 km (0.118 R)
• M31: 7,035,289 km (0.066 R)
• M32: 7,747,973 km (0.093 R)
• M33: 8,029,965 km (0.072 R)
• M34: 8,219,954 km (0.117 R)
• M35: 8,823,133 km (0.059 R)
• M36: 8,920,970 km (0.094 R)
• M37: 9,043,790 km (0.103 R)
• M38: 9,666,566 km (0.074 R)
• M39: 10,406,177 km (0.077 R)
• M40: 10,665,580 km (0.103 R)
• M41: 11,058,574 km (0.067 R)
• M42: 12,129,695 km (0.101 R)
• M43: 12,320,581 km (0.114 R)
• M44: 12,788,374 km (0.095 R)
• M45: 13,205,902 km (0.118 R)
• M46: 13,346,224 km (0.059 R)
• M47: 13,515,120 km (0.075 R)
• M48: 13,741,312 km (0.102 R)
• M49: 13,883,430 km (0.062 R)
• M50: 14,341,349 km (0.063 R)
• M51: 14,920,892 km (0.111 R)
• M52: 15,066,899 km (0.099 R)
• M53: 15,834,187 km (0.085 R)
• M54: 15,953,416 km (0.025 R)
• M55: 16,192,623 km (0.041 R)
• M56: 17,008,829 km (0.09 R)
• M57: 17,529,729 km (0.117 R)
• M58: 18,117,948 km (0.102 R)
• M59: 18,461,574 km (0.049 R)
• M60: 18,555,671 km (0.057 R)
• M61: 18,775,879 km (0.117 R)
• M62: 19,314,132 km (0.084 R)
• M63: 19,953,813 km (0.11 R)
• M64: 20,050,453 km (0.113 R)
• M65: 20,633,137 km (0.069 R)
• M66: 21,550,620 km (0.112 R)
• M67: 22,147,366 km (0.115 R)
• M68: 22,247,447 km (0.043 R)
• M69: 22,347,528 km (0.095 R)
• M70: 22,447,908 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.7

Radius: 12.8

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.61 AU - 5.77 AU

Year: 4340 Days

Day: 6.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 20,901,702 km

• M1: 367,712 km (0.094 R)
• M2: 585,526 km (0.106 R)
• M3: 736,620 km (0.039 R)
• M4: 875,896 km (0.101 R)
• M5: 1,081,293 km (0.091 R)
• M6: 1,227,451 km (0.114 R)
• M7: 1,380,788 km (0.026 R)
• M8: 1,792,482 km (0.025 R)
• M9: 2,003,863 km (0.103 R)
• M10: 2,094,370 km (0.088 R)
• M11: 2,298,571 km (0.071 R)
• M12: 2,587,894 km (0.086 R)
• M13: 2,727,169 km (0.116 R)
• M14: 3,308,806 km (0.06 R)
• M15: 3,395,124 km (0.029 R)
• M16: 3,883,411 km (0.092 R)
• M17: 4,159,120 km (0.108 R)
• M18: 4,465,347 km (0.051 R)
• M19: 5,099,642 km (0.095 R)
• M20: 5,788,390 km (0.067 R)
• M21: 5,892,959 km (0.117 R)
• M22: 6,130,521 km (0.103 R)
• M23: 6,237,184 km (0.073 R)
• M24: 6,560,914 km (0.107 R)
• M25: 6,807,152 km (0.047 R)
• M26: 7,028,856 km (0.115 R)
• M27: 7,536,142 km (0.06 R)
• M28: 7,679,158 km (0.041 R)
• M29: 8,143,061 km (0.069 R)
• M30: 8,646,009 km (0.083 R)
• M31: 9,007,138 km (0.102 R)
• M32: 9,098,243 km (0.089 R)
• M33: 9,342,537 km (0.12 R)
• M34: 10,025,601 km (0.115 R)
• M35: 10,183,127 km (0.101 R)
• M36: 10,309,836 km (0.03 R)
• M37: 11,243,477 km (0.104 R)
• M38: 11,374,375 km (0.067 R)
• M39: 12,170,535 km (0.091 R)
• M40: 12,372,342 km (0.062 R)
• M41: 12,984,646 km (0.11 R)
• M42: 13,746,548 km (0.096 R)
• M43: 13,921,727 km (0.111 R)
• M44: 14,345,089 km (0.119 R)
• M45: 14,701,282 km (0.069 R)
• M46: 14,808,693 km (0.079 R)
• M47: 15,677,258 km (0.088 R)
• M48: 15,823,715 km (0.091 R)
• M49: 17,768,038 km (0.098 R)
• M50: 17,920,628 km (0.112 R)
• M51: 18,188,857 km (0.112 R)
• M52: 18,304,347 km (0.11 R)
• M53: 18,419,986 km (0.092 R)
• M54: 19,157,803 km (0.051 R)
• M55: 20,143,353 km (0.037 R)
• M56: 20,422,353 km (0.065 R)
• M57: 21,226,442 km (0.083 R)
• M58: 21,307,374 km (0.057 R)
• M59: 21,591,610 km (0.117 R)
• M60: 21,918,033 km (0.095 R)
• M61: 22,328,230 km (0.045 R)
• M62: 22,782,559 km (0.095 R)
• M63: 22,990,051 km (0.087 R)
• M64: 23,784,266 km (0.117 R)
• M65: 24,036,937 km (0.115 R)
• M66: 24,205,833 km (0.114 R)
• M67: 24,417,514 km (0.1 R)
• M68: 24,928,241 km (0.107 R)
• M69: 25,227,736 km (0.062 R)
• M70: 27,093,970 km (0.044 R)
• M71: 27,666,780 km (0.063 R)
• M72: 27,799,623 km (0.048 R)
• M73: 28,645,449 km (0.042 R)
• M74: 29,454,624 km (0.078 R)
• M75: 29,544,981 km (0.082 R)
• M76: 29,771,323 km (0.105 R)
• M77: 30,545,192 km (0.091 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.3

Radius: 11.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.17 AU - 10.19 AU

Year: 10210 Days

Day: 14.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 20,901,702 km

• M1: 164,558 km (0.119 R)
• M2: 262,843 km (0.108 R)
• M3: 912,697 km (0.098 R)
• M4: 1,102,088 km (0.077 R)
• M5: 1,375,104 km (0.11 R)
• M6: 1,575,714 km (0.114 R)
• M7: 1,825,393 km (0.051 R)
• M8: 1,945,072 km (0.089 R)
• M9: 2,234,693 km (0.101 R)
• M10: 2,538,377 km (0.053 R)
• M11: 2,971,911 km (0.117 R)
• M12: 3,856,633 km (0.109 R)
• M13: 4,168,844 km (0.095 R)
• M14: 5,182,968 km (0.063 R)
• M15: 5,268,538 km (0.12 R)
• M16: 5,586,134 km (0.098 R)
• M17: 5,999,473 km (0.086 R)
• M18: 6,179,589 km (0.104 R)
• M19: 7,012,550 km (0.076 R)
• M20: 7,139,110 km (0.097 R)
• M21: 7,234,403 km (0.052 R)
• M22: 7,815,292 km (0.1 R)
• M23: 9,964,565 km (0.072 R)
• M24: 10,285,751 km (0.056 R)
• M25: 10,393,611 km (0.079 R)
• M26: 11,085,352 km (0.094 R)
• M27: 11,455,457 km (0.081 R)
• M28: 12,398,372 km (0.041 R)
• M29: 12,474,966 km (0.071 R)
• M30: 12,705,347 km (0.115 R)
• M31: 12,976,119 km (0.053 R)
• M32: 13,053,761 km (0.098 R)
• M33: 13,287,881 km (0.053 R)
• M34: 13,602,037 km (0.068 R)
• M35: 13,760,162 km (0.064 R)
• M36: 16,077,582 km (0.085 R)
• M37: 16,876,734 km (0.112 R)
• M38: 17,688,751 km (0.059 R)
• M39: 18,077,855 km (0.117 R)
• M40: 20,516,450 km (0.109 R)
• M41: 20,652,435 km (0.057 R)
• M42: 21,843,383 km (0.045 R)
• M43: 21,935,985 km (0.077 R)
• M44: 23,292,388 km (0.115 R)
• M45: 23,957,052 km (0.115 R)
• M46: 24,339,574 km (0.091 R)
• M47: 24,772,360 km (0.087 R)
• M48: 26,677,040 km (0.068 R)
• M49: 28,426,139 km (0.07 R)
• M50: 28,527,267 km (0.093 R)
• M51: 29,595,695 km (0.107 R)
• M52: 32,244,774 km (0.064 R)
• M53: 33,304,226 km (0.119 R)
• M54: 34,482,608 km (0.095 R)
• M55: 35,077,110 km (0.077 R)
• M56: 35,457,089 km (0.032 R)
• M57: 35,565,847 km (0.082 R)
• M58: 35,838,414 km (0.066 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.6

Radius: 9.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 10.04 AU - 11.32 AU

Year: 12812 Days

Day: 7.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 20,901,702 km

• M1: 165,156 km (0.096 R)
• M2: 259,104 km (0.105 R)
• M3: 491,579 km (0.04 R)
• M4: 693,536 km (0.115 R)
• M5: 840,142 km (0.067 R)
• M6: 1,211,593 km (0.042 R)
• M7: 1,541,157 km (0.095 R)
• M8: 1,696,739 km (0.11 R)
• M9: 1,898,547 km (0.105 R)
• M10: 2,957,700 km (0.12 R)
• M11: 3,435,515 km (0.102 R)
• M12: 3,849,303 km (0.04 R)
• M13: 4,044,229 km (0.045 R)
• M14: 4,242,596 km (0.107 R)
• M15: 4,481,055 km (0.053 R)
• M16: 4,837,546 km (0.11 R)
• M17: 6,084,594 km (0.096 R)
• M18: 6,732,951 km (0.059 R)
• M19: 6,818,372 km (0.116 R)
• M20: 7,228,420 km (0.061 R)
• M21: 7,293,794 km (0.077 R)
• M22: 7,757,846 km (0.086 R)
• M23: 7,869,746 km (0.098 R)
• M24: 7,959,654 km (0.057 R)
• M25: 8,208,585 km (0.087 R)
• M26: 8,971,085 km (0.049 R)
• M27: 12,110,247 km (0.047 R)
• M28: 12,475,266 km (0.115 R)
• M29: 13,003,197 km (0.109 R)
• M30: 13,269,780 km (0.112 R)
• M31: 13,403,820 km (0.113 R)
• M32: 14,080,600 km (0.114 R)
• M33: 14,574,872 km (0.105 R)
• M34: 14,713,100 km (0.11 R)
• M35: 16,406,548 km (0.046 R)
• M36: 17,923,321 km (0.1 R)
• M37: 18,638,548 km (0.089 R)
• M38: 19,851,039 km (0.073 R)
• M39: 20,652,884 km (0.101 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: 503 - 15,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit