🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.47 AU - 0.67 AU

Year: 282 Days

Day: 34.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.2

Radius: 9.3

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.94 AU - 1.04 AU

Year: 646 Days

Day: 7.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,704,782 km

• M1: 115,639 km (0.081 R)
• M2: 519,853 km (0.087 R)
• M3: 864,676 km (0.116 R)
• M4: 1,197,830 km (0.091 R)
• M5: 1,633,459 km (0.098 R)
• M6: 1,947,615 km (0.055 R)
• M7: 2,343,002 km (0.11 R)
• M8: 2,885,593 km (0.041 R)
• M9: 3,180,900 km (0.096 R)
• M10: 3,775,252 km (0.116 R)
• M11: 4,099,281 km (0.062 R)
• M12: 4,441,860 km (0.112 R)
• M13: 5,383,130 km (0.11 R)
• M14: 5,872,016 km (0.049 R)
• M15: 6,227,460 km (0.069 R)
• M16: 6,639,453 km (0.106 R)
• M17: 7,091,388 km (0.093 R)
• M18: 7,495,003 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.9

Radius: 13.5

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.61 AU - 1.95 AU

Year: 1558 Days

Day: 13.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,704,782 km

• M1: 167,849 km (0.077 R)
• M2: 593,904 km (0.088 R)
• M3: 1,029,383 km (0.094 R)
• M4: 1,464,563 km (0.085 R)
• M5: 1,902,735 km (0.059 R)
• M6: 2,454,003 km (0.103 R)
• M7: 3,026,365 km (0.105 R)
• M8: 3,768,071 km (0.096 R)
• M9: 4,280,145 km (0.112 R)
• M10: 5,278,561 km (0.12 R)
• M11: 6,885,691 km (0.089 R)
• M12: 8,424,454 km (0.077 R)
• M13: 8,975,274 km (0.055 R)
• M14: 9,427,209 km (0.12 R)
• M15: 10,376,707 km (0.052 R)
• M16: 11,354,179 km (0.11 R)
• M17: 12,063,423 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.8

Radius: 12.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.63 AU - 2.31 AU

Year: 1814 Days

Day: 5 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,704,782 km

• M1: 158,125 km (0.103 R)
• M2: 993,479 km (0.066 R)
• M3: 1,680,732 km (0.112 R)
• M4: 2,109,928 km (0.095 R)
• M5: 3,020,531 km (0.112 R)
• M6: 3,734,412 km (0.115 R)
• M7: 5,706,112 km (0.027 R)
• M8: 6,586,944 km (0.085 R)
• M9: 7,104,403 km (0.095 R)
• M10: 8,172,532 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.5

Radius: 12.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.9 AU - 2.38 AU

Year: 2054 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,704,782 km

• M1: 151,692 km (0.092 R)
• M2: 558,299 km (0.071 R)
• M3: 1,523,654 km (0.055 R)
• M4: 3,226,377 km (0.107 R)
• M5: 4,304,080 km (0.119 R)
• M6: 4,897,385 km (0.107 R)
• M7: 5,481,565 km (0.096 R)
• M8: 9,367,669 km (0.066 R)
• M9: 10,110,422 km (0.059 R)
• M10: 10,958,942 km (0.108 R)
• M11: 11,889,740 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.4

Radius: 10.2

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.94 AU - 2.84 AU

Year: 2424 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,704,782 km

• M1: 126,859 km (0.079 R)
• M2: 444,754 km (0.118 R)
• M3: 963,560 km (0.12 R)
• M4: 1,457,083 km (0.092 R)
• M5: 1,774,829 km (0.104 R)
• M6: 2,202,679 km (0.099 R)
• M7: 2,669,574 km (0.096 R)
• M8: 3,168,483 km (0.043 R)
• M9: 3,710,326 km (0.101 R)
• M10: 4,735,371 km (0.111 R)
• M11: 6,067,690 km (0.071 R)
• M12: 7,514,451 km (0.074 R)
• M13: 8,318,689 km (0.106 R)
• M14: 8,808,023 km (0.093 R)
• M15: 9,701,871 km (0.079 R)
• M16: 10,845,397 km (0.063 R)
• M17: 11,429,876 km (0.111 R)
• M18: 12,241,743 km (0.109 R)
• M19: 13,754,477 km (0.086 R)
• M20: 14,254,732 km (0.03 R)
• M21: 15,877,720 km (0.101 R)
• M22: 16,888,253 km (0.12 R)
• M23: 18,048,684 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.2

Radius: 8.8

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.21 AU - 3.68 AU

Year: 3307 Days

Day: 10.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,704,782 km

• M1: 113,246 km (0.085 R)
• M2: 390,750 km (0.07 R)
• M3: 848,220 km (0.062 R)
• M4: 1,167,611 km (0.107 R)
• M5: 2,212,104 km (0.097 R)
• M6: 2,617,664 km (0.091 R)
• M7: 2,941,693 km (0.063 R)
• M8: 3,433,570 km (0.069 R)
• M9: 4,538,051 km (0.091 R)
• M10: 4,985,199 km (0.102 R)
• M11: 5,339,447 km (0.115 R)
• M12: 6,045,998 km (0.105 R)
• M13: 7,340,169 km (0.116 R)
• M14: 7,925,396 km (0.098 R)
• M15: 8,475,019 km (0.077 R)
• M16: 8,878,035 km (0.113 R)
• M17: 9,650,259 km (0.107 R)
• M18: 12,492,170 km (0.088 R)
• M19: 13,192,139 km (0.083 R)
• M20: 13,551,772 km (0.11 R)
• M21: 14,718,037 km (0.059 R)
• M22: 15,251,802 km (0.112 R)
• M23: 16,409,690 km (0.089 R)
• M24: 17,409,602 km (0.1 R)
• M25: 18,673,554 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.5

Radius: 4.5

Gravity: 43.53 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.95 AU - 8.53 AU

Year: 12780 Days

Day: 17.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,704,782 km

• M1: 56,099 km (0.103 R)
• M2: 200,312 km (0.092 R)
• M3: 431,889 km (0.028 R)
• M4: 592,258 km (0.083 R)
• M5: 841,937 km (0.06 R)
• M6: 1,276,818 km (0.082 R)
• M7: 1,506,151 km (0.084 R)
• M8: 1,955,095 km (0.119 R)
• M9: 2,220,631 km (0.105 R)
• M10: 2,777,284 km (0.075 R)
• M11: 2,965,927 km (0.098 R)
• M12: 3,239,392 km (0.052 R)
• M13: 3,395,423 km (0.074 R)
• M14: 6,506,311 km (0.073 R)
• M15: 6,671,766 km (0.06 R)
• M16: 9,877,050 km (0.047 R)
• M17: 12,086,610 km (0.12 R)
• M18: 12,273,907 km (0.108 R)
• M19: 12,718,512 km (0.098 R)
• M20: 13,775,122 km (0.1 R)
• M21: 15,540,975 km (0.063 R)
• M22: 16,287,618 km (0.067 R)
• M23: 16,592,947 km (0.09 R)
• M24: 18,588,134 km (0.112 R)
• M25: 23,626,141 km (0.066 R)
• M26: 24,612,141 km (0.045 R)
• M27: 32,414,867 km (0.106 R)
• M28: 35,512,291 km (0.073 R)
• M29: 41,150,485 km (0.066 R)
• M30: 45,223,137 km (0.09 R)
• M31: 46,281,692 km (0.112 R)
• M32: 49,716,010 km (0.089 R)
• M33: 52,649,325 km (0.086 R)
• M34: 53,989,124 km (0.077 R)
• M35: 58,322,675 km (0.066 R)
• M36: 59,216,223 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.4

Radius: 5.1

Gravity: 25.12 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.8 AU - 10.52 AU

Year: 18187 Days

Day: 16 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 82,704,782 km

• M1: 63,429 km (0.097 R)
• M2: 224,995 km (0.098 R)
• M3: 515,365 km (0.042 R)
• M4: 918,082 km (0.071 R)
• M5: 1,706,613 km (0.095 R)
• M6: 1,903,483 km (0.096 R)
• M7: 2,095,717 km (0.114 R)
• M8: 3,507,023 km (0.084 R)
• M9: 3,917,519 km (0.054 R)
• M10: 4,904,267 km (0.063 R)
• M11: 6,046,596 km (0.116 R)
• M12: 6,855,622 km (0.118 R)
• M13: 7,928,687 km (0.112 R)
• M14: 8,530,819 km (0.039 R)
• M15: 9,271,328 km (0.097 R)
• M16: 10,520,321 km (0.07 R)
• M17: 10,698,791 km (0.115 R)
• M18: 11,496,148 km (0.095 R)
• M19: 12,464,495 km (0.072 R)
• M20: 17,878,292 km (0.103 R)
• M21: 18,736,086 km (0.103 R)
• M22: 19,891,730 km (0.107 R)
• M23: 23,846,649 km (0.071 R)
• M24: 24,570,403 km (0.084 R)
• M25: 25,629,706 km (0.083 R)
• M26: 26,829,630 km (0.076 R)
• M27: 28,525,621 km (0.12 R)
• M28: 28,989,674 km (0.07 R)
• M29: 30,171,796 km (0.092 R)
• M30: 33,652,041 km (0.099 R)
• M31: 33,910,546 km (0.042 R)
• M32: 36,840,570 km (0.101 R)
• M33: 43,046,339 km (0.104 R)
• M34: 43,810,185 km (0.056 R)
• M35: 44,272,891 km (0.032 R)
• M36: 49,080,069 km (0.079 R)
• M37: 58,030,510 km (0.099 R)
• M38: 59,904,223 km (0.072 R)
• M39: 60,093,913 km (0.12 R)
• M40: 66,779,891 km (0.114 R)
• M41: 69,044,803 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.1

Radius: 6.9

Gravity: 17.23 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.94 AU - 12.04 AU

Year: 20714 Days

Day: 17.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,704,782 km

• M1: 85,869 km (0.113 R)
• M2: 359,035 km (0.034 R)
• M3: 797,656 km (0.108 R)
• M4: 1,130,810 km (0.106 R)
• M5: 2,717,595 km (0.061 R)
• M6: 3,082,015 km (0.081 R)
• M7: 3,419,807 km (0.052 R)
• M8: 4,373,344 km (0.038 R)
• M9: 5,533,625 km (0.076 R)
• M10: 6,608,935 km (0.083 R)
• M11: 7,268,512 km (0.052 R)
• M12: 8,023,233 km (0.106 R)
• M13: 8,773,466 km (0.037 R)
• M14: 9,746,451 km (0.114 R)
• M15: 10,106,383 km (0.105 R)
• M16: 12,455,668 km (0.1 R)
• M17: 15,629,088 km (0.079 R)
• M18: 17,401,524 km (0.075 R)
• M19: 17,931,549 km (0.101 R)
• M20: 18,381,390 km (0.089 R)
• M21: 19,397,608 km (0.11 R)
• M22: 21,240,205 km (0.099 R)
• M23: 26,063,839 km (0.114 R)
• M24: 27,821,165 km (0.101 R)
• M25: 28,789,961 km (0.101 R)
• M26: 29,282,736 km (0.118 R)
• M27: 38,543,592 km (0.12 R)
• M28: 42,228,337 km (0.098 R)
• M29: 44,482,628 km (0.105 R)
• M30: 44,975,852 km (0.054 R)
• M31: 52,636,160 km (0.088 R)
• M32: 53,372,780 km (0.073 R)
• M33: 61,121,651 km (0.108 R)
• M34: 64,420,284 km (0.11 R)
• M35: 65,262,969 km (0.106 R)
• M36: 67,402,069 km (0.084 R)
• M37: 67,835,454 km (0.115 R)
• M38: 68,927,069 km (0.115 R)
• M39: 80,250,880 km (0.113 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: 542 - 16,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit