🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1 AU - 1.26 AU

Year: 457 Days

Day: 13.7 Hours

Environment

Temp: -3 °C

Axial Tilt: 44.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 74,747,499 km

• M1: 104,569 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.88 AU - 1.4 AU

Year: 464 Days

Day: 17.9 Hours

Environment

Temp: -17 °C

Axial Tilt: 21.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.29 AU - 1.69 AU

Year: 693 Days

Day: 16.6 Hours

Environment

Temp: -50 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.01 AU - 2.61 AU

Year: 1337 Days

Day: 16.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.3 AU - 2.74 AU

Year: 1523 Days

Day: 46.5 Hours

Environment

Temp: -94 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.19 AU - 5.01 AU

Year: 3161 Days

Day: 39.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702

Radius: 8.6

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.45 AU - 5.95 AU

Year: 4515 Days

Day: 7.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 74,747,499 km

• M1: 116,986 km (0.065 R)
• M2: 239,656 km (0.108 R)
• M3: 300,542 km (0.039 R)
• M4: 576,550 km (0.118 R)
• M5: 665,860 km (0.065 R)
• M6: 834,158 km (0.117 R)
• M7: 897,737 km (0.116 R)
• M8: 1,140,684 km (0.088 R)
• M9: 1,389,465 km (0.099 R)
• M10: 1,607,280 km (0.096 R)
• M11: 1,671,607 km (0.104 R)
• M12: 1,903,483 km (0.031 R)
• M13: 2,023,461 km (0.061 R)
• M14: 2,128,329 km (0.059 R)
• M15: 2,361,702 km (0.083 R)
• M16: 2,509,504 km (0.072 R)
• M17: 2,853,430 km (0.113 R)
• M18: 2,912,222 km (0.115 R)
• M19: 3,011,106 km (0.075 R)
• M20: 3,070,945 km (0.027 R)
• M21: 3,171,624 km (0.063 R)
• M22: 3,691,627 km (0.102 R)
• M23: 3,798,888 km (0.07 R)
• M24: 3,972,571 km (0.086 R)
• M25: 4,104,517 km (0.031 R)
• M26: 4,693,484 km (0.094 R)
• M27: 4,927,006 km (0.108 R)
• M28: 5,552,175 km (0.098 R)
• M29: 5,999,623 km (0.099 R)
• M30: 6,536,230 km (0.093 R)
• M31: 6,614,171 km (0.098 R)
• M32: 6,849,787 km (0.044 R)
• M33: 7,329,398 km (0.082 R)
• M34: 7,437,557 km (0.111 R)
• M35: 7,655,222 km (0.087 R)
• M36: 7,958,008 km (0.082 R)
• M37: 8,603,972 km (0.098 R)
• M38: 8,660,819 km (0.096 R)
• M39: 9,063,088 km (0.084 R)
• M40: 9,500,961 km (0.109 R)
• M41: 9,707,555 km (0.081 R)
• M42: 9,886,026 km (0.059 R)
• M43: 10,306,246 km (0.056 R)
• M44: 10,701,932 km (0.115 R)
• M45: 10,947,722 km (0.069 R)
• M46: 11,009,506 km (0.077 R)
• M47: 12,269,269 km (0.091 R)
• M48: 12,591,204 km (0.111 R)
• M49: 14,411,660 km (0.115 R)
• M50: 15,300,571 km (0.092 R)
• M51: 15,404,392 km (0.087 R)
• M52: 15,682,046 km (0.092 R)
• M53: 16,242,439 km (0.104 R)
• M54: 16,987,885 km (0.044 R)
• M55: 17,095,297 km (0.063 R)
• M56: 17,310,867 km (0.104 R)
• M57: 18,401,735 km (0.064 R)
• M58: 18,770,344 km (0.086 R)
• M59: 19,066,997 km (0.047 R)
• M60: 19,253,246 km (0.11 R)
• M61: 19,402,545 km (0.096 R)
• M62: 19,928,381 km (0.083 R)
• M63: 20,003,928 km (0.039 R)
• M64: 20,307,013 km (0.085 R)
• M65: 21,109,606 km (0.082 R)
• M66: 22,548,737 km (0.116 R)
• M67: 22,903,584 km (0.114 R)
• M68: 23,459,340 km (0.1 R)
• M69: 23,858,916 km (0.106 R)
• M70: 23,979,192 km (0.056 R)
• M71: 24,220,494 km (0.114 R)
• M72: 24,462,543 km (0.092 R)
• M73: 25,438,968 km (0.088 R)
• M74: 26,345,083 km (0.107 R)
• M75: 26,594,013 km (0.109 R)
• M76: 26,677,190 km (0.092 R)
• M77: 26,927,168 km (0.104 R)
• M78: 27,345,593 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.1

Radius: 8.7

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.84 AU - 11.22 AU

Year: 11203 Days

Day: 10.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 74,747,499 km

• M1: 177,273 km (0.071 R)
• M2: 417,378 km (0.03 R)
• M3: 1,291,927 km (0.096 R)
• M4: 1,843,195 km (0.086 R)
• M5: 2,109,779 km (0.083 R)
• M6: 2,201,482 km (0.051 R)
• M7: 2,557,076 km (0.073 R)
• M8: 2,655,063 km (0.108 R)
• M9: 3,216,055 km (0.064 R)
• M10: 3,295,491 km (0.11 R)
• M11: 3,402,304 km (0.099 R)
• M12: 3,813,250 km (0.031 R)
• M13: 5,046,086 km (0.118 R)
• M14: 5,107,571 km (0.115 R)
• M15: 5,545,892 km (0.064 R)
• M16: 7,034,840 km (0.079 R)
• M17: 7,381,757 km (0.074 R)
• M18: 7,486,925 km (0.1 R)
• M19: 8,020,091 km (0.112 R)
• M20: 8,128,251 km (0.106 R)
• M21: 8,200,656 km (0.114 R)
• M22: 8,639,277 km (0.101 R)
• M23: 9,160,775 km (0.103 R)
• M24: 9,349,568 km (0.053 R)
• M25: 9,769,190 km (0.062 R)
• M26: 10,234,140 km (0.111 R)
• M27: 10,706,271 km (0.099 R)
• M28: 10,785,707 km (0.027 R)
• M29: 10,905,086 km (0.117 R)
• M30: 11,025,064 km (0.1 R)
• M31: 11,105,248 km (0.104 R)
• M32: 11,509,013 km (0.073 R)
• M33: 11,631,085 km (0.047 R)
• M34: 11,835,436 km (0.094 R)
• M35: 12,041,133 km (0.116 R)
• M36: 12,706,993 km (0.106 R)
• M37: 13,129,308 km (0.096 R)
• M38: 13,470,391 km (0.118 R)
• M39: 14,423,628 km (0.107 R)
• M40: 14,908,475 km (0.066 R)
• M41: 15,488,167 km (0.079 R)
• M42: 16,854,145 km (0.057 R)
• M43: 17,598,394 km (0.087 R)
• M44: 18,163,575 km (0.111 R)
• M45: 18,305,693 km (0.081 R)
• M46: 18,448,409 km (0.085 R)
• M47: 19,797,034 km (0.113 R)
• M48: 19,943,491 km (0.105 R)
• M49: 20,286,369 km (0.092 R)
• M50: 20,532,607 km (0.091 R)
• M51: 20,631,342 km (0.097 R)
• M52: 20,878,926 km (0.083 R)
• M53: 21,376,937 km (0.077 R)
• M54: 21,527,134 km (0.105 R)
• M55: 21,878,988 km (0.059 R)
• M56: 23,305,104 km (0.043 R)
• M57: 23,925,636 km (0.066 R)
• M58: 24,133,577 km (0.096 R)
• M59: 24,971,625 km (0.076 R)
• M60: 26,300,054 km (0.079 R)
• M61: 26,514,876 km (0.111 R)
• M62: 27,433,706 km (0.05 R)
• M63: 28,528,164 km (0.039 R)
• M64: 29,080,629 km (0.091 R)
• M65: 29,804,234 km (0.089 R)
• M66: 29,916,133 km (0.11 R)
• M67: 30,421,176 km (0.07 R)
• M68: 30,477,425 km (0.071 R)
• M69: 31,155,701 km (0.066 R)
• M70: 31,724,622 km (0.098 R)
• M71: 32,584,511 km (0.099 R)
• M72: 32,872,935 km (0.055 R)
• M73: 32,988,425 km (0.087 R)
• M74: 33,220,002 km (0.095 R)
• M75: 33,510,222 km (0.091 R)
• M76: 35,624,339 km (0.08 R)
• M77: 38,814,514 km (0.077 R)
• M78: 38,936,735 km (0.088 R)
• M79: 40,165,383 km (0.101 R)
• M80: 41,219,748 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.3

Radius: 3.7

Gravity: 52.25 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 11.03 AU - 16.13 AU

Year: 19057 Days

Day: 20 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 74,747,499 km

• M1: 144,212 km (0.116 R)
• M2: 273,315 km (0.108 R)
• M3: 473,627 km (0.12 R)
• M4: 599,439 km (0.088 R)
• M5: 1,768,097 km (0.111 R)
• M6: 1,929,962 km (0.096 R)
• M7: 2,096,614 km (0.091 R)
• M8: 3,229,220 km (0.067 R)
• M9: 3,507,172 km (0.116 R)
• M10: 3,792,605 km (0.109 R)
• M11: 3,834,044 km (0.09 R)
• M12: 3,959,108 km (0.106 R)
• M13: 4,170,639 km (0.094 R)
• M14: 4,472,827 km (0.072 R)
• M15: 4,693,035 km (0.04 R)
• M16: 5,421,277 km (0.059 R)
• M17: 5,798,413 km (0.113 R)
• M18: 6,379,900 km (0.083 R)
• M19: 7,081,365 km (0.119 R)
• M20: 7,234,852 km (0.098 R)
• M21: 8,178,665 km (0.098 R)
• M22: 8,610,405 km (0.106 R)
• M23: 10,584,648 km (0.099 R)
• M24: 10,877,560 km (0.031 R)
• M25: 11,054,684 km (0.103 R)
• M26: 12,752,770 km (0.086 R)
• M27: 14,207,160 km (0.108 R)
• M28: 16,181,553 km (0.065 R)
• M29: 16,383,660 km (0.108 R)
• M30: 16,995,066 km (0.052 R)
• M31: 17,752,331 km (0.075 R)
• M32: 18,450,205 km (0.083 R)
• M33: 19,086,145 km (0.091 R)
• M34: 19,800,924 km (0.119 R)
• M35: 23,275,933 km (0.077 R)
• M36: 24,810,657 km (0.058 R)
• M37: 24,965,940 km (0.116 R)
• M38: 25,043,731 km (0.052 R)
• M39: 26,298,707 km (0.081 R)
• M40: 27,093,371 km (0.106 R)
• M41: 28,138,163 km (0.088 R)
• M42: 29,278,098 km (0.058 R)
• M43: 29,524,337 km (0.099 R)
• M44: 32,362,507 km (0.109 R)
• M45: 32,447,180 km (0.113 R)
• M46: 33,727,738 km (0.103 R)
• M47: 34,850,918 km (0.12 R)
• M48: 34,937,835 km (0.04 R)
• M49: 35,548,194 km (0.078 R)
• M50: 35,898,552 km (0.087 R)
• M51: 36,074,180 km (0.053 R)
• M52: 38,114,097 km (0.097 R)
• M53: 42,489,984 km (0.077 R)
• M54: 42,954,785 km (0.111 R)
• M55: 43,702,176 km (0.082 R)
• M56: 43,889,622 km (0.053 R)
• M57: 45,304,369 km (0.1 R)
• M58: 46,829,818 km (0.055 R)
• M59: 47,695,242 km (0.084 R)
• M60: 48,372,172 km (0.088 R)
• M61: 48,663,140 km (0.059 R)
• M62: 48,857,468 km (0.059 R)
• M63: 50,126,955 km (0.089 R)
• M64: 50,225,092 km (0.098 R)
• M65: 50,519,799 km (0.093 R)
• M66: 51,407,214 km (0.119 R)
• M67: 51,704,166 km (0.078 R)
• M68: 52,101,049 km (0.054 R)
• M69: 52,200,531 km (0.078 R)
• M70: 52,498,979 km (0.109 R)
• M71: 52,598,611 km (0.108 R)
• M72: 56,839,262 km (0.065 R)
• M73: 57,248,861 km (0.104 R)
• M74: 63,190,440 km (0.115 R)
• M75: 63,614,699 km (0.08 R)
• M76: 64,040,006 km (0.118 R)
• M77: 65,642,947 km (0.102 R)
• M78: 67,042,735 km (0.094 R)
• M79: 69,434,057 km (0.113 R)
• M80: 69,981,435 km (0.109 R)
• M81: 71,411,292 km (0.057 R)
• M82: 72,185,161 km (0.065 R)
• M83: 73,184,326 km (0.116 R)
• M84: 73,964,478 km (0.11 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: 290 - 18,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit