🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.32

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.55 AU - 0.67 AU

Year: 169 Days

Day: 14.4 Hours

Environment

Temp: 153 °C

Axial Tilt: 4.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,114,903 km

• M1: 53,107 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.57 AU - 0.75 AU

Year: 190 Days

Day: 24.4 Hours

Environment

Temp: 222 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 91,114,903 km

• M1: 77,791 km (0.091 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.56 AU - 0.9 AU

Year: 221 Days

Day: 15.7 Hours

Environment

Temp: 177 °C

Axial Tilt: 10.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.22 AU - 1.7 AU

Year: 626 Days

Day: 45.3 Hours

Environment

Temp: -5 °C

Axial Tilt: 46.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.48 AU - 1.68 AU

Year: 705 Days

Day: 24.3 Hours

Environment

Temp: -26 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.7 AU - 1.94 AU

Year: 871 Days

Day: 30.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 91,114,903 km

• M1: 518,357 km (0.075 R)
• M2: 706,252 km (0.109 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2 AU - 2.52 AU

Year: 1205 Days

Day: 43.4 Hours

Environment

Temp: -58 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.9

Radius: 13.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 7.88 AU - 11.42 AU

Year: 10635 Days

Day: 5.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 91,114,903 km

• M1: 200,162 km (0.118 R)
• M2: 391,797 km (0.117 R)
• M3: 574,905 km (0.105 R)
• M4: 679,623 km (0.069 R)
• M5: 897,886 km (0.047 R)
• M6: 1,111,213 km (0.046 R)
• M7: 1,357,900 km (0.115 R)
• M8: 1,589,029 km (0.049 R)
• M9: 1,709,604 km (0.081 R)
• M10: 2,109,480 km (0.094 R)
• M11: 2,379,354 km (0.102 R)
• M12: 2,579,366 km (0.061 R)
• M13: 3,479,497 km (0.098 R)
• M14: 3,916,921 km (0.095 R)
• M15: 4,569,018 km (0.04 R)
• M16: 4,718,616 km (0.054 R)
• M17: 5,022,599 km (0.1 R)
• M18: 5,570,426 km (0.047 R)
• M19: 5,892,062 km (0.109 R)
• M20: 6,247,506 km (0.066 R)
• M21: 6,694,505 km (0.09 R)
• M22: 6,950,616 km (0.099 R)
• M23: 7,414,070 km (0.087 R)
• M24: 7,797,939 km (0.108 R)
• M25: 8,097,733 km (0.098 R)
• M26: 8,646,907 km (0.042 R)
• M27: 9,145,367 km (0.102 R)
• M28: 9,398,037 km (0.106 R)
• M29: 9,493,481 km (0.09 R)
• M30: 9,878,247 km (0.12 R)
• M31: 10,530,942 km (0.119 R)
• M32: 10,795,880 km (0.045 R)
• M33: 10,895,811 km (0.107 R)
• M34: 11,029,701 km (0.092 R)
• M35: 11,434,214 km (0.096 R)
• M36: 11,740,890 km (0.092 R)
• M37: 11,878,071 km (0.094 R)
• M38: 12,119,372 km (0.099 R)
• M39: 12,888,455 km (0.088 R)
• M40: 13,601,438 km (0.088 R)
• M41: 13,781,704 km (0.104 R)
• M42: 13,926,365 km (0.111 R)
• M43: 14,217,482 km (0.086 R)
• M44: 16,158,216 km (0.114 R)
• M45: 17,667,808 km (0.055 R)
• M46: 17,825,185 km (0.042 R)
• M47: 18,779,170 km (0.119 R)
• M48: 19,586,849 km (0.098 R)
• M49: 20,200,200 km (0.087 R)
• M50: 20,612,492 km (0.076 R)
• M51: 21,571,564 km (0.118 R)
• M52: 22,035,318 km (0.105 R)
• M53: 22,162,326 km (0.101 R)
• M54: 23,403,240 km (0.1 R)
• M55: 23,576,176 km (0.112 R)
• M56: 23,749,560 km (0.11 R)
• M57: 23,879,859 km (0.11 R)
• M58: 24,184,740 km (0.055 R)
• M59: 24,315,937 km (0.11 R)
• M60: 24,666,595 km (0.118 R)
• M61: 24,754,558 km (0.117 R)
• M62: 25,063,178 km (0.073 R)
• M63: 27,806,504 km (0.069 R)
• M64: 27,898,058 km (0.094 R)
• M65: 28,726,531 km (0.074 R)
• M66: 30,125,421 km (0.107 R)
• M67: 30,643,777 km (0.053 R)
• M68: 30,880,441 km (0.097 R)
• M69: 31,070,131 km (0.055 R)
• M70: 31,928,823 km (0.1 R)
• M71: 32,024,715 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683

Radius: 5.1

Gravity: 26.26 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 12.47 AU - 14.59 AU

Year: 17656 Days

Day: 16.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 91,114,903 km

• M1: 88,113 km (0.115 R)
• M2: 133,292 km (0.12 R)
• M3: 339,737 km (0.064 R)
• M4: 463,454 km (0.104 R)
• M5: 560,842 km (0.049 R)
• M6: 622,477 km (0.11 R)
• M7: 964,906 km (0.081 R)
• M8: 1,064,987 km (0.089 R)
• M9: 1,357,750 km (0.108 R)
• M10: 1,887,925 km (0.072 R)
• M11: 2,543,912 km (0.116 R)
• M12: 2,613,176 km (0.118 R)
• M13: 2,932,417 km (0.114 R)
• M14: 3,491,614 km (0.032 R)
• M15: 3,607,403 km (0.118 R)
• M16: 4,082,975 km (0.067 R)
• M17: 4,164,206 km (0.055 R)
• M18: 4,962,161 km (0.027 R)
• M19: 5,989,151 km (0.037 R)
• M20: 6,035,227 km (0.094 R)
• M21: 8,178,067 km (0.063 R)
• M22: 8,538,747 km (0.102 R)
• M23: 8,642,718 km (0.118 R)
• M24: 9,489,741 km (0.106 R)
• M25: 11,318,425 km (0.094 R)
• M26: 12,009,717 km (0.111 R)
• M27: 12,360,374 km (0.113 R)
• M28: 14,845,943 km (0.117 R)
• M29: 16,434,672 km (0.12 R)
• M30: 17,810,374 km (0.088 R)
• M31: 17,943,217 km (0.055 R)
• M32: 18,009,788 km (0.119 R)
• M33: 18,076,509 km (0.085 R)
• M34: 20,045,516 km (0.069 R)
• M35: 20,670,237 km (0.12 R)
• M36: 20,809,961 km (0.039 R)
• M37: 21,796,709 km (0.032 R)
• M38: 23,232,549 km (0.051 R)
• M39: 23,305,104 km (0.067 R)
• M40: 23,596,222 km (0.115 R)
• M41: 23,961,839 km (0.038 R)
• M42: 26,800,907 km (0.106 R)
• M43: 27,950,567 km (0.056 R)
• M44: 28,105,102 km (0.097 R)
• M45: 28,337,427 km (0.059 R)
• M46: 29,194,473 km (0.119 R)
• M47: 29,665,707 km (0.039 R)
• M48: 29,902,071 km (0.118 R)
• M49: 30,854,411 km (0.075 R)
• M50: 31,014,032 km (0.108 R)
• M51: 31,575,174 km (0.053 R)
• M52: 32,301,322 km (0.098 R)
• M53: 34,595,704 km (0.12 R)
• M54: 35,094,164 km (0.085 R)
• M55: 36,098,265 km (0.084 R)
• M56: 36,435,010 km (0.079 R)
• M57: 36,942,147 km (0.114 R)
• M58: 37,963,302 km (0.07 R)
• M59: 38,391,601 km (0.114 R)
• M60: 38,649,208 km (0.095 R)
• M61: 39,946,521 km (0.099 R)
• M62: 41,433,823 km (0.073 R)
• M63: 42,317,049 km (0.095 R)
• M64: 43,743,315 km (0.105 R)
• M65: 44,012,442 km (0.102 R)
• M66: 44,102,350 km (0.097 R)
• M67: 46,368,159 km (0.095 R)
• M68: 46,734,225 km (0.113 R)
• M69: 48,857,617 km (0.109 R)
• M70: 49,416,665 km (0.115 R)
• M71: 50,071,604 km (0.112 R)
• M72: 50,165,402 km (0.051 R)
• M73: 50,917,730 km (0.117 R)
• M74: 53,484,829 km (0.059 R)
• M75: 53,580,721 km (0.103 R)
• M76: 54,253,463 km (0.043 R)
• M77: 55,704,413 km (0.095 R)
• M78: 56,093,517 km (0.086 R)
• M79: 57,855,630 km (0.097 R)
• M80: 57,954,066 km (0.073 R)
• M81: 59,040,445 km (0.057 R)
• M82: 61,835,831 km (0.111 R)
• M83: 62,138,019 km (0.086 R)
• M84: 62,844,719 km (0.087 R)
• M85: 63,351,108 km (0.112 R)
• M86: 63,655,689 km (0.106 R)
• M87: 64,062,446 km (0.037 R)
• M88: 64,266,048 km (0.098 R)
• M89: 64,368,074 km (0.068 R)
• M90: 64,776,327 km (0.096 R)
• M91: 64,878,502 km (0.055 R)
• M92: 65,698,149 km (0.052 R)
• M93: 66,109,244 km (0.102 R)
• M94: 66,418,014 km (0.104 R)
• M95: 66,933,827 km (0.117 R)
• M96: 68,801,856 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.5

Radius: 5

Gravity: 36.1 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 14.87 AU - 17.25 AU

Year: 22833 Days

Day: 17.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 91,114,903 km

• M1: 70,311 km (0.111 R)
• M2: 379,829 km (0.097 R)
• M3: 466,147 km (0.081 R)
• M4: 989,889 km (0.086 R)
• M5: 1,712,447 km (0.116 R)
• M6: 1,748,500 km (0.095 R)
• M7: 3,204,536 km (0.096 R)
• M8: 3,659,463 km (0.097 R)
• M9: 3,942,203 km (0.112 R)
• M10: 4,183,205 km (0.106 R)
• M11: 5,780,611 km (0.095 R)
• M12: 6,220,429 km (0.027 R)
• M13: 6,557,323 km (0.091 R)
• M14: 6,728,015 km (0.084 R)
• M15: 7,425,141 km (0.072 R)
• M16: 7,543,622 km (0.116 R)
• M17: 7,603,013 km (0.106 R)
• M18: 8,267,377 km (0.077 R)
• M19: 8,513,465 km (0.108 R)
• M20: 9,202,812 km (0.102 R)
• M21: 10,236,982 km (0.099 R)
• M22: 10,567,594 km (0.101 R)
• M23: 11,239,587 km (0.07 R)
• M24: 11,786,966 km (0.093 R)
• M25: 13,121,379 km (0.049 R)
• M26: 13,480,563 km (0.116 R)
• M27: 13,625,075 km (0.091 R)
• M28: 13,915,744 km (0.117 R)
• M29: 14,577,116 km (0.114 R)
• M30: 14,725,367 km (0.052 R)
• M31: 14,948,866 km (0.113 R)
• M32: 16,776,803 km (0.067 R)
• M33: 16,932,235 km (0.079 R)
• M34: 19,647,736 km (0.075 R)
• M35: 19,811,545 km (0.098 R)
• M36: 20,305,966 km (0.085 R)
• M37: 21,728,792 km (0.084 R)
• M38: 22,580,602 km (0.106 R)
• M39: 23,704,231 km (0.084 R)
• M40: 24,316,685 km (0.091 R)
• M41: 24,492,762 km (0.07 R)
• M42: 26,095,404 km (0.085 R)
• M43: 26,365,727 km (0.116 R)
• M44: 27,639,852 km (0.088 R)
• M45: 27,731,705 km (0.099 R)
• M46: 28,840,824 km (0.11 R)
• M47: 31,006,851 km (0.103 R)
• M48: 31,676,452 km (0.101 R)
• M49: 31,868,685 km (0.098 R)
• M50: 33,811,662 km (0.074 R)
• M51: 34,599,594 km (0.059 R)
• M52: 37,201,699 km (0.108 R)
• M53: 37,404,554 km (0.099 R)
• M54: 38,628,863 km (0.116 R)
• M55: 39,452,250 km (0.092 R)
• M56: 42,803,541 km (0.067 R)
• M57: 43,655,501 km (0.083 R)
• M58: 45,918,468 km (0.078 R)
• M59: 46,571,912 km (0.104 R)
• M60: 46,790,474 km (0.085 R)
• M61: 52,476,689 km (0.042 R)
• M62: 52,817,922 km (0.076 R)
• M63: 53,731,516 km (0.102 R)
• M64: 53,846,108 km (0.092 R)
• M65: 54,535,006 km (0.108 R)
• M66: 56,270,341 km (0.064 R)
• M67: 56,736,189 km (0.097 R)
• M68: 58,848,212 km (0.119 R)
• M69: 61,703,886 km (0.092 R)
• M70: 63,875,149 km (0.115 R)
• M71: 63,996,473 km (0.074 R)
• M72: 64,604,289 km (0.095 R)
• M73: 64,970,056 km (0.062 R)
• M74: 65,092,128 km (0.103 R)
• M75: 65,703,385 km (0.1 R)
• M76: 66,071,246 km (0.049 R)
• M77: 66,439,556 km (0.077 R)
• M78: 66,562,525 km (0.066 R)
• M79: 68,043,993 km (0.084 R)
• M80: 68,291,877 km (0.028 R)
• M81: 69,037,622 km (0.057 R)
• M82: 70,161,252 km (0.105 R)
• M83: 70,286,465 km (0.109 R)
• M84: 75,099,328 km (0.107 R)
• M85: 75,740,504 km (0.059 R)
• M86: 76,383,476 km (0.064 R)
• M87: 78,453,163 km (0.108 R)
• M88: 79,103,614 km (0.098 R)
• M89: 83,441,952 km (0.096 R)
• M90: 84,505,144 km (0.053 R)
• M91: 84,905,020 km (0.042 R)
• M92: 86,242,574 km (0.098 R)
• M93: 87,587,010 km (0.099 R)
• M94: 88,532,319 km (0.093 R)
• M95: 89,209,549 km (0.119 R)
• M96: 89,345,084 km (0.084 R)

Kuiper Belt

Range: 30.9 - 57.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 17,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit