🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.5

Radius: 9.7

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.68 AU - 0.8 AU

Year: 439 Days

Day: 5.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,491,392 km

• M1: 120,725 km (0.093 R)
• M2: 636,988 km (0.103 R)
• M3: 966,402 km (0.064 R)
• M4: 1,293,423 km (0.069 R)
• M5: 1,623,137 km (0.066 R)
• M6: 1,943,426 km (0.092 R)
• M7: 2,735,397 km (0.08 R)
• M8: 4,113,044 km (0.047 R)
• M9: 4,422,263 km (0.092 R)
• M10: 5,151,253 km (0.095 R)
• M11: 5,646,272 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.2

Radius: 12.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.7 AU - 0.82 AU

Year: 457 Days

Day: 8.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,491,392 km

• M1: 157,975 km (0.065 R)
• M2: 855,101 km (0.096 R)
• M3: 1,303,895 km (0.103 R)
• M4: 1,764,208 km (0.091 R)
• M5: 2,186,822 km (0.086 R)
• M6: 3,423,996 km (0.116 R)
• M7: 3,999,798 km (0.091 R)
• M8: 4,568,420 km (0.086 R)
• M9: 5,098,295 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.2

Radius: 9.4

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.29 AU - 1.33 AU

Year: 1035 Days

Day: 8.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,491,392 km

• M1: 117,734 km (0.107 R)
• M2: 468,989 km (0.118 R)
• M3: 949,797 km (0.109 R)
• M4: 1,263,952 km (0.08 R)
• M5: 1,656,796 km (0.117 R)
• M6: 2,252,196 km (0.098 R)
• M7: 2,600,161 km (0.116 R)
• M8: 2,896,963 km (0.049 R)
• M9: 3,229,668 km (0.076 R)
• M10: 3,881,616 km (0.109 R)
• M11: 5,002,852 km (0.099 R)
• M12: 5,503,406 km (0.079 R)
• M13: 5,955,940 km (0.114 R)
• M14: 6,285,205 km (0.044 R)
• M15: 7,116,371 km (0.109 R)
• M16: 7,871,541 km (0.093 R)
• M17: 8,889,554 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.1

Radius: 9.2

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.66 AU - 2 AU

Year: 1709 Days

Day: 9.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,491,392 km

• M1: 114,442 km (0.096 R)
• M2: 468,092 km (0.073 R)
• M3: 1,870,422 km (0.09 R)
• M4: 3,222,039 km (0.105 R)
• M5: 3,802,329 km (0.08 R)
• M6: 4,315,599 km (0.088 R)
• M7: 4,783,841 km (0.066 R)
• M8: 5,925,721 km (0.085 R)
• M9: 6,482,824 km (0.084 R)
• M10: 7,676,914 km (0.12 R)
• M11: 8,874,445 km (0.037 R)
• M12: 9,604,183 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.2

Radius: 14

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.48 AU - 2.42 AU

Year: 1880 Days

Day: 7.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,491,392 km

• M1: 174,132 km (0.084 R)
• M2: 618,138 km (0.047 R)
• M3: 1,080,845 km (0.071 R)
• M4: 1,556,416 km (0.103 R)
• M5: 3,532,006 km (0.115 R)
• M6: 4,630,204 km (0.025 R)
• M7: 5,072,714 km (0.084 R)
• M8: 5,524,949 km (0.073 R)
• M9: 6,223,720 km (0.111 R)
• M10: 7,291,550 km (0.052 R)
• M11: 8,133,487 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.1

Radius: 13.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.38 AU - 2.46 AU

Year: 2599 Days

Day: 12 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,491,392 km

• M1: 256,411 km (0.113 R)
• M2: 772,523 km (0.055 R)
• M3: 1,204,861 km (0.116 R)
• M4: 2,331,932 km (0.091 R)
• M5: 3,262,430 km (0.087 R)
• M6: 4,089,557 km (0.062 R)
• M7: 4,563,184 km (0.113 R)
• M8: 5,993,190 km (0.054 R)
• M9: 6,480,729 km (0.108 R)
• M10: 8,017,698 km (0.078 R)
• M11: 11,173,016 km (0.085 R)
• M12: 11,763,329 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.6

Radius: 12.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.36 AU - 2.66 AU

Year: 2745 Days

Day: 14.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,491,392 km

• M1: 159,172 km (0.046 R)
• M2: 809,025 km (0.119 R)
• M3: 1,680,134 km (0.045 R)
• M4: 2,261,321 km (0.064 R)
• M5: 3,530,061 km (0.054 R)
• M6: 4,454,576 km (0.106 R)
• M7: 4,994,923 km (0.086 R)
• M8: 5,401,381 km (0.043 R)
• M9: 6,329,935 km (0.117 R)
• M10: 6,910,374 km (0.077 R)
• M11: 7,890,390 km (0.032 R)
• M12: 8,563,581 km (0.071 R)
• M13: 9,402,376 km (0.097 R)
• M14: 11,135,467 km (0.1 R)
• M15: 11,945,540 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.7

Radius: 12.8

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.32 AU - 4.68 AU

Year: 5522 Days

Day: 8.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,491,392 km

• M1: 159,322 km (0.118 R)
• M2: 562,937 km (0.118 R)
• M3: 1,162,076 km (0.114 R)
• M4: 1,829,881 km (0.074 R)
• M5: 2,632,175 km (0.101 R)
• M6: 4,313,206 km (0.085 R)
• M7: 4,989,239 km (0.096 R)
• M8: 5,766,250 km (0.031 R)
• M9: 6,587,991 km (0.09 R)
• M10: 7,081,365 km (0.111 R)
• M11: 9,048,726 km (0.112 R)
• M12: 10,580,010 km (0.055 R)
• M13: 11,457,402 km (0.118 R)
• M14: 13,863,384 km (0.034 R)
• M15: 14,323,996 km (0.099 R)
• M16: 15,643,599 km (0.074 R)
• M17: 16,912,338 km (0.096 R)
• M18: 19,153,763 km (0.118 R)
• M19: 20,235,506 km (0.118 R)
• M20: 20,828,811 km (0.107 R)
• M21: 22,917,496 km (0.118 R)
• M22: 24,136,569 km (0.059 R)
• M23: 35,596,813 km (0.069 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.9

Radius: 8.2

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.49 AU - 5.15 AU

Year: 7304 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,491,392 km

• M1: 102,325 km (0.085 R)
• M2: 981,811 km (0.11 R)
• M3: 1,251,386 km (0.039 R)
• M4: 1,594,265 km (0.07 R)
• M5: 2,362,300 km (0.042 R)
• M6: 2,980,289 km (0.047 R)
• M7: 3,337,379 km (0.063 R)
• M8: 4,705,601 km (0.049 R)
• M9: 5,217,675 km (0.038 R)
• M10: 5,851,820 km (0.102 R)
• M11: 6,292,386 km (0.099 R)
• M12: 6,629,430 km (0.049 R)
• M13: 7,043,217 km (0.07 R)
• M14: 7,406,740 km (0.072 R)
• M15: 8,573,005 km (0.12 R)
• M16: 8,911,246 km (0.108 R)
• M17: 10,825,052 km (0.096 R)
• M18: 11,671,177 km (0.096 R)
• M19: 13,194,981 km (0.12 R)
• M20: 17,516,863 km (0.104 R)
• M21: 17,879,190 km (0.117 R)
• M22: 18,184,968 km (0.067 R)
• M23: 19,378,908 km (0.049 R)
• M24: 20,291,605 km (0.111 R)
• M25: 21,164,359 km (0.06 R)
• M26: 23,201,433 km (0.117 R)
• M27: 24,007,167 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.9

Radius: 4.8

Gravity: 25.17 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.54 AU - 6.86 AU

Year: 9393 Days

Day: 23.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,491,392 km

• M1: 62,532 km (0.117 R)
• M2: 224,546 km (0.045 R)
• M3: 497,413 km (0.04 R)
• M4: 652,546 km (0.072 R)
• M5: 962,961 km (0.055 R)
• M6: 1,163,423 km (0.067 R)
• M7: 1,592,320 km (0.072 R)
• M8: 2,966,227 km (0.075 R)
• M9: 3,323,616 km (0.097 R)
• M10: 5,488,596 km (0.04 R)
• M11: 6,860,708 km (0.07 R)
• M12: 9,394,148 km (0.104 R)
• M13: 10,360,700 km (0.109 R)
• M14: 11,075,478 km (0.109 R)
• M15: 11,768,266 km (0.045 R)
• M16: 13,655,892 km (0.034 R)
• M17: 13,958,379 km (0.057 R)
• M18: 17,517,013 km (0.117 R)
• M19: 18,090,871 km (0.109 R)
• M20: 19,580,267 km (0.12 R)
• M21: 20,276,495 km (0.098 R)
• M22: 20,749,673 km (0.059 R)
• M23: 21,069,215 km (0.062 R)
• M24: 27,110,575 km (0.071 R)
• M25: 35,107,030 km (0.119 R)
• M26: 38,006,985 km (0.03 R)
• M27: 39,944,277 km (0.107 R)
• M28: 40,937,308 km (0.094 R)
• M29: 42,073,803 km (0.114 R)
• M30: 42,843,185 km (0.082 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 19,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit