🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.46 AU - 0.74 AU

Year: 300 Days

Day: 17.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.6

Radius: 13.4

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.7 AU - 0.74 AU

Year: 394 Days

Day: 7.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 54,580,858 km

• M1: 167,849 km (0.118 R)
• M2: 674,986 km (0.107 R)
• M3: 1,103,434 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555

Radius: 12

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.76 AU - 1.92 AU

Year: 1612 Days

Day: 5.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,580,858 km

• M1: 149,299 km (0.104 R)
• M2: 710,141 km (0.044 R)
• M3: 1,456,335 km (0.115 R)
• M4: 1,925,923 km (0.091 R)
• M5: 2,623,647 km (0.08 R)
• M6: 3,163,097 km (0.112 R)
• M7: 3,910,788 km (0.113 R)
• M8: 4,972,035 km (0.116 R)
• M9: 7,128,339 km (0.07 R)
• M10: 8,212,774 km (0.081 R)
• M11: 8,974,675 km (0.078 R)
• M12: 10,271,240 km (0.104 R)
• M13: 12,201,651 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.7

Radius: 9

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.72 AU - 2.8 AU

Year: 2194 Days

Day: 7.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,580,858 km

• M1: 112,198 km (0.102 R)
• M2: 418,575 km (0.057 R)
• M3: 713,432 km (0.115 R)
• M4: 1,088,474 km (0.115 R)
• M5: 1,395,299 km (0.106 R)
• M6: 1,740,272 km (0.077 R)
• M7: 2,027,500 km (0.1 R)
• M8: 2,925,536 km (0.06 R)
• M9: 3,351,591 km (0.111 R)
• M10: 3,923,952 km (0.041 R)
• M11: 4,290,317 km (0.074 R)
• M12: 4,821,091 km (0.114 R)
• M13: 5,394,948 km (0.061 R)
• M14: 5,732,890 km (0.118 R)
• M15: 6,278,922 km (0.111 R)
• M16: 6,627,784 km (0.044 R)
• M17: 7,122,205 km (0.098 R)
• M18: 7,809,906 km (0.117 R)
• M19: 8,451,083 km (0.12 R)
• M20: 9,095,401 km (0.079 R)
• M21: 9,445,759 km (0.109 R)
• M22: 9,938,086 km (0.027 R)
• M23: 10,309,986 km (0.083 R)
• M24: 11,741,039 km (0.096 R)
• M25: 12,348,855 km (0.091 R)
• M26: 12,739,455 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.6

Radius: 11.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.67 AU - 3.67 AU

Year: 3644 Days

Day: 9 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,580,858 km

• M1: 149,747 km (0.116 R)
• M2: 576,700 km (0.072 R)
• M3: 1,075,010 km (0.038 R)
• M4: 1,923,679 km (0.065 R)
• M5: 2,296,327 km (0.093 R)
• M6: 3,405,296 km (0.113 R)
• M7: 3,863,963 km (0.057 R)
• M8: 4,485,243 km (0.119 R)
• M9: 5,038,007 km (0.06 R)
• M10: 5,635,801 km (0.117 R)
• M11: 7,717,006 km (0.112 R)
• M12: 11,039,874 km (0.065 R)
• M13: 11,459,945 km (0.06 R)
• M14: 12,291,559 km (0.11 R)
• M15: 14,797,773 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.9

Radius: 11.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.99 AU - 4.39 AU

Year: 5538 Days

Day: 14.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,580,858 km

• M1: 156,031 km (0.08 R)
• M2: 605,123 km (0.074 R)
• M3: 998,865 km (0.066 R)
• M4: 1,453,643 km (0.105 R)
• M5: 2,348,537 km (0.103 R)
• M6: 2,810,346 km (0.115 R)
• M7: 4,193,378 km (0.117 R)
• M8: 8,662,614 km (0.084 R)
• M9: 12,184,896 km (0.106 R)
• M10: 16,896,481 km (0.071 R)
• M11: 17,574,159 km (0.058 R)
• M12: 19,902,351 km (0.094 R)
• M13: 22,564,296 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.3

Radius: 4.9

Gravity: 36.29 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.16 AU - 6.98 AU

Year: 10873 Days

Day: 22.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 148.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,580,858 km

• M1: 61,335 km (0.082 R)
• M2: 273,166 km (0.097 R)
• M3: 506,389 km (0.101 R)
• M4: 677,529 km (0.103 R)
• M5: 1,726,958 km (0.109 R)
• M6: 1,944,024 km (0.025 R)
• M7: 2,313,531 km (0.038 R)
• M8: 2,930,622 km (0.104 R)
• M9: 4,067,267 km (0.107 R)
• M10: 5,059,699 km (0.088 R)
• M11: 6,203,674 km (0.108 R)
• M12: 8,135,581 km (0.097 R)
• M13: 8,460,956 km (0.117 R)
• M14: 9,746,152 km (0.112 R)
• M15: 10,653,612 km (0.076 R)
• M16: 12,573,402 km (0.094 R)
• M17: 13,071,413 km (0.085 R)
• M18: 14,373,663 km (0.105 R)
• M19: 18,476,085 km (0.05 R)
• M20: 19,119,356 km (0.062 R)
• M21: 19,611,383 km (0.093 R)
• M22: 21,931,197 km (0.088 R)
• M23: 24,236,351 km (0.045 R)
• M24: 27,004,211 km (0.108 R)
• M25: 31,540,018 km (0.08 R)
• M26: 33,630,200 km (0.116 R)
• M27: 37,188,983 km (0.047 R)
• M28: 38,084,177 km (0.108 R)
• M29: 39,519,718 km (0.111 R)
• M30: 40,183,933 km (0.116 R)
• M31: 40,720,690 km (0.087 R)
• M32: 41,398,368 km (0.052 R)
• M33: 41,945,897 km (0.114 R)
• M34: 42,637,039 km (0.081 R)
• M35: 44,756,093 km (0.069 R)
• M36: 47,241,212 km (0.067 R)
• M37: 53,125,944 km (0.113 R)
• M38: 54,424,154 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.6

Radius: 3.8

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.58 AU - 7.94 AU

Year: 12630 Days

Day: 19.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 51.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,580,858 km

• M1: 47,572 km (0.112 R)
• M2: 179,069 km (0.103 R)
• M3: 376,388 km (0.103 R)
• M4: 554,260 km (0.119 R)
• M5: 747,690 km (0.074 R)
• M6: 1,061,696 km (0.115 R)
• M7: 1,583,643 km (0.117 R)
• M8: 1,758,224 km (0.074 R)
• M9: 1,945,520 km (0.112 R)
• M10: 2,661,346 km (0.059 R)
• M11: 3,884,309 km (0.113 R)
• M12: 4,591,009 km (0.12 R)
• M13: 5,059,699 km (0.077 R)
• M14: 7,329,248 km (0.114 R)
• M15: 9,100,038 km (0.12 R)
• M16: 9,616,450 km (0.105 R)
• M17: 10,152,011 km (0.094 R)
• M18: 10,473,497 km (0.087 R)
• M19: 11,827,656 km (0.109 R)
• M20: 15,837,029 km (0.115 R)
• M21: 16,900,371 km (0.119 R)
• M22: 19,730,014 km (0.095 R)
• M23: 20,739,202 km (0.116 R)
• M24: 21,706,651 km (0.089 R)
• M25: 22,010,335 km (0.042 R)
• M26: 26,477,327 km (0.118 R)
• M27: 27,173,556 km (0.11 R)
• M28: 29,706,547 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.2

Radius: 5.4

Gravity: 31.8 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.22 AU - 10.46 AU

Year: 18430 Days

Day: 16.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,580,858 km

• M1: 67,768 km (0.115 R)
• M2: 267,481 km (0.048 R)
• M3: 733,329 km (0.088 R)
• M4: 962,214 km (0.034 R)
• M5: 1,209,798 km (0.032 R)
• M6: 1,741,469 km (0.058 R)
• M7: 3,197,206 km (0.085 R)
• M8: 4,166,749 km (0.071 R)
• M9: 5,240,862 km (0.096 R)
• M10: 5,718,079 km (0.084 R)
• M11: 6,223,870 km (0.109 R)
• M12: 7,421,401 km (0.061 R)
• M13: 8,710,336 km (0.103 R)
• M14: 9,379,188 km (0.042 R)
• M15: 9,843,689 km (0.051 R)
• M16: 15,525,267 km (0.086 R)
• M17: 17,877,993 km (0.093 R)
• M18: 18,143,379 km (0.079 R)
• M19: 19,697,252 km (0.105 R)
• M20: 21,337,593 km (0.119 R)
• M21: 21,937,630 km (0.102 R)
• M22: 22,651,810 km (0.115 R)
• M23: 24,019,285 km (0.034 R)
• M24: 29,668,100 km (0.116 R)
• M25: 33,396,229 km (0.088 R)
• M26: 41,456,412 km (0.08 R)
• M27: 46,098,434 km (0.082 R)
• M28: 52,508,853 km (0.112 R)
• M29: 56,588,536 km (0.07 R)
• M30: 64,538,466 km (0.09 R)
• M31: 64,746,258 km (0.088 R)
• M32: 73,426,824 km (0.096 R)
• M33: 76,872,212 km (0.041 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.3

Radius: 7.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.91 AU - 10.93 AU

Year: 23300 Days

Day: 24.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,580,858 km

• M1: 94,097 km (0.116 R)
• M2: 722,259 km (0.117 R)
• M3: 1,477,877 km (0.045 R)
• M4: 3,712,870 km (0.075 R)
• M5: 6,309,440 km (0.118 R)
• M6: 9,868,672 km (0.079 R)
• M7: 10,505,959 km (0.11 R)
• M8: 11,340,865 km (0.072 R)
• M9: 13,332,162 km (0.049 R)
• M10: 14,987,911 km (0.097 R)
• M11: 25,851,110 km (0.072 R)
• M12: 26,450,848 km (0.12 R)
• M13: 27,367,883 km (0.073 R)
• M14: 32,851,842 km (0.109 R)
• M15: 36,721,041 km (0.106 R)
• M16: 52,007,101 km (0.049 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 14,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit