🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.81 AU - 1.21 AU

Year: 355 Days

Day: 30 Hours

Environment

Temp: 161 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.85 AU - 1.29 AU

Year: 387 Days

Day: 35.8 Hours

Environment

Temp: 98 °C

Axial Tilt: 21.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.38 AU - 1.48 AU

Year: 598 Days

Day: 32.6 Hours

Environment

Temp: -13 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 108,315,842 km

• M1: 393,293 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.34 AU - 1.9 AU

Year: 721 Days

Day: 14.5 Hours

Environment

Temp: -26 °C

Axial Tilt: 123 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.66 AU - 2.04 AU

Year: 880 Days

Day: 30.5 Hours

Environment

Temp: -33 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.39 AU - 2.67 AU

Year: 1408 Days

Day: 30.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 108,315,842 km

• M1: 258,804 km (0.026 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.95 AU - 3.61 AU

Year: 2078 Days

Day: 12.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.3

Radius: 11.6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.42 AU - 8.6 AU

Year: 7931 Days

Day: 6.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 121.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 108,315,842 km

• M1: 226,192 km (0.051 R)
• M2: 658,081 km (0.097 R)
• M3: 966,253 km (0.07 R)
• M4: 1,364,033 km (0.102 R)
• M5: 1,518,269 km (0.103 R)
• M6: 2,211,505 km (0.102 R)
• M7: 2,853,879 km (0.117 R)
• M8: 2,973,108 km (0.068 R)
• M9: 3,073,787 km (0.073 R)
• M10: 4,278,050 km (0.11 R)
• M11: 4,392,193 km (0.114 R)
• M12: 4,811,367 km (0.089 R)
• M13: 5,001,805 km (0.104 R)
• M14: 5,588,228 km (0.099 R)
• M15: 6,693,158 km (0.1 R)
• M16: 6,826,001 km (0.06 R)
• M17: 7,067,303 km (0.032 R)
• M18: 7,892,036 km (0.101 R)
• M19: 8,718,115 km (0.07 R)
• M20: 9,185,758 km (0.089 R)
• M21: 9,902,481 km (0.099 R)
• M22: 10,175,946 km (0.029 R)
• M23: 10,668,273 km (0.098 R)
• M24: 11,136,963 km (0.088 R)
• M25: 11,612,236 km (0.119 R)
• M26: 12,029,614 km (0.115 R)
• M27: 12,582,976 km (0.088 R)
• M28: 13,378,089 km (0.093 R)
• M29: 14,121,441 km (0.076 R)
• M30: 14,360,648 km (0.118 R)
• M31: 14,635,908 km (0.106 R)
• M32: 14,982,227 km (0.065 R)
• M33: 15,191,365 km (0.106 R)
• M34: 15,436,705 km (0.078 R)
• M35: 15,789,307 km (0.076 R)
• M36: 16,180,206 km (0.119 R)
• M37: 16,430,633 km (0.081 R)
• M38: 16,646,353 km (0.114 R)
• M39: 16,935,526 km (0.117 R)
• M40: 17,408,854 km (0.101 R)
• M41: 17,518,659 km (0.082 R)
• M42: 17,665,414 km (0.109 R)
• M43: 18,629,872 km (0.08 R)
• M44: 19,269,552 km (0.083 R)
• M45: 19,497,090 km (0.114 R)
• M46: 20,031,454 km (0.088 R)
• M47: 20,881,020 km (0.078 R)
• M48: 21,036,752 km (0.117 R)
• M49: 21,153,737 km (0.038 R)
• M50: 25,343,226 km (0.06 R)
• M51: 26,471,792 km (0.078 R)
• M52: 26,936,144 km (0.053 R)
• M53: 27,105,788 km (0.1 R)
• M54: 27,360,852 km (0.035 R)
• M55: 27,445,973 km (0.098 R)
• M56: 28,431,973 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.8

Radius: 6.9

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 14.73 AU - 17.33 AU

Year: 22453 Days

Day: 23.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 108,315,842 km

• M1: 114,293 km (0.109 R)
• M2: 157,975 km (0.074 R)
• M3: 203,304 km (0.039 R)
• M4: 390,750 km (0.101 R)
• M5: 565,779 km (0.093 R)
• M6: 662,719 km (0.105 R)
• M7: 1,312,721 km (0.098 R)
• M8: 1,555,519 km (0.107 R)
• M9: 1,693,897 km (0.101 R)
• M10: 2,007,753 km (0.118 R)
• M11: 2,313,681 km (0.046 R)
• M12: 2,716,548 km (0.047 R)
• M13: 2,883,798 km (0.101 R)
• M14: 3,199,300 km (0.058 R)
• M15: 3,435,665 km (0.114 R)
• M16: 3,586,310 km (0.035 R)
• M17: 4,146,703 km (0.113 R)
• M18: 4,371,848 km (0.117 R)
• M19: 4,901,873 km (0.096 R)
• M20: 5,071,517 km (0.104 R)
• M21: 5,592,417 km (0.091 R)
• M22: 5,698,781 km (0.047 R)
• M23: 6,684,781 km (0.109 R)
• M24: 6,948,821 km (0.096 R)
• M25: 7,024,966 km (0.031 R)
• M26: 7,216,452 km (0.11 R)
• M27: 7,526,568 km (0.091 R)
• M28: 7,604,658 km (0.107 R)
• M29: 7,920,160 km (0.117 R)
• M30: 8,320,484 km (0.051 R)
• M31: 8,441,957 km (0.087 R)
• M32: 9,266,092 km (0.062 R)
• M33: 10,202,276 km (0.034 R)
• M34: 10,857,514 km (0.078 R)
• M35: 10,901,795 km (0.053 R)
• M36: 11,123,499 km (0.036 R)
• M37: 11,391,728 km (0.112 R)
• M38: 11,526,516 km (0.072 R)
• M39: 11,752,409 km (0.096 R)
• M40: 12,025,574 km (0.109 R)
• M41: 12,208,832 km (0.111 R)
• M42: 12,904,013 km (0.079 R)
• M43: 13,044,635 km (0.112 R)
• M44: 15,263,321 km (0.059 R)
• M45: 16,112,439 km (0.064 R)
• M46: 17,285,436 km (0.082 R)
• M47: 17,752,031 km (0.057 R)
• M48: 18,750,298 km (0.092 R)
• M49: 19,015,984 km (0.039 R)
• M50: 19,229,609 km (0.094 R)
• M51: 19,712,811 km (0.087 R)
• M52: 20,800,986 km (0.119 R)
• M53: 21,407,904 km (0.117 R)
• M54: 22,020,507 km (0.102 R)
• M55: 22,469,600 km (0.08 R)
• M56: 22,525,999 km (0.076 R)
• M57: 23,434,207 km (0.108 R)
• M58: 23,720,388 km (0.101 R)
• M59: 24,180,850 km (0.087 R)
• M60: 25,992,630 km (0.105 R)
• M61: 27,004,660 km (0.101 R)
• M62: 27,364,891 km (0.069 R)
• M63: 29,559,492 km (0.096 R)
• M64: 29,683,060 km (0.111 R)
• M65: 30,303,592 km (0.095 R)
• M66: 31,873,472 km (0.1 R)
• M67: 32,317,778 km (0.109 R)
• M68: 32,827,906 km (0.076 R)
• M69: 33,598,335 km (0.1 R)
• M70: 34,699,974 km (0.095 R)
• M71: 35,418,941 km (0.054 R)
• M72: 36,076,873 km (0.116 R)
• M73: 36,341,212 km (0.1 R)
• M74: 36,738,993 km (0.088 R)
• M75: 37,004,828 km (0.088 R)
• M76: 38,681,372 km (0.089 R)
• M77: 39,087,380 km (0.097 R)
• M78: 39,835,370 km (0.06 R)
• M79: 41,414,675 km (0.103 R)
• M80: 42,455,726 km (0.06 R)
• M81: 42,665,014 km (0.092 R)
• M82: 42,804,588 km (0.045 R)
• M83: 45,416,118 km (0.116 R)
• M84: 46,633,097 km (0.084 R)
• M85: 47,065,136 km (0.091 R)
• M86: 47,788,292 km (0.1 R)
• M87: 48,151,216 km (0.063 R)
• M88: 48,296,625 km (0.077 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.3

Radius: 4.9

Gravity: 40.29 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 15.61 AU - 22.05 AU

Year: 28586 Days

Day: 20.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 108,315,842 km

• M1: 88,263 km (0.11 R)
• M2: 153,338 km (0.12 R)
• M3: 390,450 km (0.105 R)
• M4: 568,173 km (0.063 R)
• M5: 623,374 km (0.082 R)
• M6: 769,831 km (0.081 R)
• M7: 959,670 km (0.117 R)
• M8: 1,094,308 km (0.108 R)
• M9: 1,307,785 km (0.113 R)
• M10: 1,495,530 km (0.104 R)
• M11: 1,896,452 km (0.062 R)
• M12: 2,240,079 km (0.077 R)
• M13: 2,743,625 km (0.088 R)
• M14: 2,983,879 km (0.075 R)
• M15: 3,280,981 km (0.104 R)
• M16: 3,484,284 km (0.095 R)
• M17: 3,691,627 km (0.057 R)
• M18: 3,849,901 km (0.087 R)
• M19: 4,787,880 km (0.047 R)
• M20: 5,311,772 km (0.05 R)
• M21: 5,976,435 km (0.112 R)
• M22: 6,100,152 km (0.101 R)
• M23: 6,349,981 km (0.095 R)
• M24: 6,539,521 km (0.098 R)
• M25: 6,859,810 km (0.075 R)
• M26: 7,119,512 km (0.064 R)
• M27: 7,581,919 km (0.079 R)
• M28: 8,328,113 km (0.108 R)
• M29: 8,815,055 km (0.064 R)
• M30: 9,816,313 km (0.09 R)
• M31: 11,769,014 km (0.107 R)
• M32: 12,001,938 km (0.059 R)
• M33: 14,828,739 km (0.112 R)
• M34: 14,996,289 km (0.078 R)
• M35: 15,080,213 km (0.057 R)
• M36: 15,417,706 km (0.105 R)
• M37: 16,358,677 km (0.067 R)
• M38: 16,445,144 km (0.095 R)
• M39: 16,967,091 km (0.082 R)
• M40: 19,108,585 km (0.112 R)
• M41: 20,118,221 km (0.03 R)
• M42: 20,210,822 km (0.081 R)
• M43: 21,145,061 km (0.105 R)
• M44: 22,188,955 km (0.119 R)
• M45: 22,476,482 km (0.116 R)
• M46: 25,020,094 km (0.119 R)
• M47: 25,619,832 km (0.114 R)
• M48: 26,426,913 km (0.08 R)
• M49: 26,833,669 km (0.115 R)
• M50: 27,242,371 km (0.112 R)
• M51: 27,550,243 km (0.111 R)
• M52: 28,584,862 km (0.115 R)
• M53: 30,160,576 km (0.068 R)
• M54: 30,372,856 km (0.048 R)
• M55: 32,305,062 km (0.076 R)
• M56: 34,942,323 km (0.105 R)
• M57: 35,276,823 km (0.107 R)
• M58: 36,851,939 km (0.076 R)
• M59: 37,192,424 km (0.035 R)
• M60: 42,779,905 km (0.119 R)
• M61: 42,899,134 km (0.102 R)
• M62: 43,257,271 km (0.114 R)
• M63: 43,376,800 km (0.095 R)
• M64: 44,337,667 km (0.098 R)
• M65: 50,499,155 km (0.111 R)
• M66: 51,636,248 km (0.061 R)
• M67: 55,227,794 km (0.073 R)
• M68: 55,877,647 km (0.072 R)
• M69: 56,922,588 km (0.093 R)
• M70: 58,502,043 km (0.099 R)
• M71: 58,766,681 km (0.118 R)
• M72: 58,899,075 km (0.064 R)
• M73: 59,164,312 km (0.106 R)
• M74: 61,838,374 km (0.106 R)
• M75: 64,005,898 km (0.027 R)
• M76: 64,278,615 km (0.088 R)
• M77: 66,612,042 km (0.119 R)
• M78: 69,532,492 km (0.12 R)
• M79: 70,515,200 km (0.108 R)
• M80: 71,785,436 km (0.098 R)
• M81: 77,957,994 km (0.112 R)
• M82: 78,832,692 km (0.115 R)
• M83: 81,476,236 km (0.085 R)
• M84: 82,215,699 km (0.067 R)
• M85: 83,701,205 km (0.079 R)
• M86: 86,397,557 km (0.116 R)
• M87: 86,849,792 km (0.092 R)
• M88: 94,035,426 km (0.062 R)
• M89: 95,432,970 km (0.085 R)
• M90: 96,056,344 km (0.119 R)
• M91: 96,680,915 km (0.092 R)
• M92: 97,620,539 km (0.07 R)
• M93: 99,508,764 km (0.032 R)
• M94: 100,457,364 km (0.044 R)
• M95: 103,161,345 km (0.117 R)
• M96: 107,343,055 km (0.114 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 10,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit