🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.53 AU - 0.81 AU

Year: 349 Days

Day: 45.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.56 AU - 0.78 AU

Year: 349 Days

Day: 22 Hours

Environment

Temp: -138 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 10,575,336 km

• M1: 182,210 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.59 AU - 0.75 AU

Year: 349 Days

Day: 40.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 10,575,336 km

• M1: 46,375 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.7

Radius: 12.7

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.57 AU - 0.87 AU

Year: 388 Days

Day: 8.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 10,575,336 km

• M1: 165,455 km (0.097 R)
• M2: 272,867 km (0.039 R)
• M3: 358,586 km (0.116 R)
• M4: 446,998 km (0.037 R)
• M5: 629,209 km (0.062 R)
• M6: 732,730 km (0.069 R)
• M7: 858,542 km (0.116 R)
• M8: 963,261 km (0.11 R)
• M9: 1,072,916 km (0.11 R)
• M10: 1,200,373 km (0.108 R)
• M11: 1,305,391 km (0.084 R)
• M12: 1,389,914 km (0.088 R)
• M13: 1,574,817 km (0.07 R)
• M14: 1,675,496 km (0.115 R)
• M15: 1,762,861 km (0.099 R)
• M16: 1,846,636 km (0.118 R)
• M17: 2,172,909 km (0.072 R)
• M18: 2,268,801 km (0.071 R)
• M19: 2,383,543 km (0.102 R)
• M20: 2,535,684 km (0.039 R)
• M21: 2,703,234 km (0.094 R)
• M22: 2,986,572 km (0.095 R)
• M23: 3,119,116 km (0.056 R)
• M24: 3,266,769 km (0.062 R)
• M25: 3,423,248 km (0.087 R)
• M26: 3,509,117 km (0.102 R)
• M27: 3,642,559 km (0.069 R)
• M28: 3,791,408 km (0.1 R)
• M29: 3,900,914 km (0.102 R)
• M30: 4,011,617 km (0.103 R)
• M31: 4,116,335 km (0.059 R)
• M32: 4,200,708 km (0.078 R)
• M33: 4,314,253 km (0.061 R)
• M34: 4,421,515 km (0.03 R)
• M35: 4,544,335 km (0.091 R)
• M36: 4,697,523 km (0.082 R)
• M37: 4,919,376 km (0.102 R)
• M38: 5,076,753 km (0.111 R)
• M39: 5,159,930 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.6

Radius: 14.8

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.66 AU - 0.94 AU

Year: 455 Days

Day: 11.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 10,575,336 km

• M1: 185,501 km (0.119 R)
• M2: 281,244 km (0.074 R)
• M3: 392,096 km (0.101 R)
• M4: 521,049 km (0.094 R)
• M5: 620,382 km (0.057 R)
• M6: 756,068 km (0.088 R)
• M7: 855,999 km (0.07 R)
• M8: 988,094 km (0.092 R)
• M9: 1,180,926 km (0.105 R)
• M10: 1,274,873 km (0.038 R)
• M11: 1,376,749 km (0.104 R)
• M12: 1,567,636 km (0.079 R)
• M13: 1,683,275 km (0.107 R)
• M14: 1,779,167 km (0.098 R)
• M15: 2,018,374 km (0.041 R)
• M16: 2,151,217 km (0.113 R)
• M17: 2,280,919 km (0.113 R)
• M18: 2,705,926 km (0.072 R)
• M19: 2,948,574 km (0.088 R)
• M20: 3,107,447 km (0.036 R)
• M21: 3,205,583 km (0.081 R)
• M22: 3,340,520 km (0.06 R)
• M23: 3,477,403 km (0.09 R)
• M24: 3,579,578 km (0.044 R)
• M25: 3,846,760 km (0.08 R)
• M26: 4,013,262 km (0.116 R)
• M27: 4,166,899 km (0.061 R)
• M28: 4,361,676 km (0.071 R)
• M29: 4,567,522 km (0.111 R)
• M30: 4,711,884 km (0.12 R)
• M31: 4,898,582 km (0.039 R)
• M32: 5,104,579 km (0.115 R)
• M33: 5,262,853 km (0.105 R)
• M34: 5,355,454 km (0.105 R)
• M35: 5,456,882 km (0.086 R)
• M36: 5,584,638 km (0.108 R)
• M37: 5,739,472 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.7

Radius: 12.8

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.13 AU - 1.27 AU

Year: 836 Days

Day: 12.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 10,575,336 km

• M1: 173,085 km (0.032 R)
• M2: 261,048 km (0.063 R)
• M3: 352,153 km (0.087 R)
• M4: 447,298 km (0.119 R)
• M5: 554,410 km (0.074 R)
• M6: 656,435 km (0.074 R)
• M7: 823,237 km (0.109 R)
• M8: 967,898 km (0.105 R)
• M9: 1,154,896 km (0.113 R)
• M10: 1,263,354 km (0.051 R)
• M11: 1,382,733 km (0.083 R)
• M12: 1,484,160 km (0.053 R)
• M13: 1,618,350 km (0.116 R)
• M14: 2,021,067 km (0.081 R)
• M15: 2,394,015 km (0.097 R)
• M16: 2,481,829 km (0.09 R)
• M17: 2,561,864 km (0.066 R)
• M18: 2,651,772 km (0.113 R)
• M19: 2,788,804 km (0.113 R)
• M20: 2,918,954 km (0.071 R)
• M21: 3,060,623 km (0.107 R)
• M22: 3,165,940 km (0.112 R)
• M23: 3,272,603 km (0.117 R)
• M24: 3,410,083 km (0.082 R)
• M25: 3,650,338 km (0.113 R)
• M26: 3,813,699 km (0.103 R)
• M27: 3,979,453 km (0.095 R)
• M28: 4,105,414 km (0.113 R)
• M29: 4,254,115 km (0.119 R)
• M30: 4,372,147 km (0.103 R)
• M31: 4,644,565 km (0.103 R)
• M32: 4,732,977 km (0.104 R)
• M33: 4,844,278 km (0.118 R)
• M34: 4,933,887 km (0.088 R)
• M35: 5,024,095 km (0.12 R)
• M36: 5,483,660 km (0.11 R)
• M37: 5,659,437 km (0.119 R)
• M38: 5,765,951 km (0.07 R)
• M39: 6,053,029 km (0.066 R)
• M40: 6,283,559 km (0.092 R)
• M41: 6,369,279 km (0.078 R)
• M42: 6,504,815 km (0.054 R)
• M43: 6,691,064 km (0.097 R)
• M44: 6,841,410 km (0.115 R)
• M45: 7,120,111 km (0.054 R)
• M46: 7,325,060 km (0.094 R)
• M47: 7,610,044 km (0.079 R)
• M48: 7,846,109 km (0.1 R)
• M49: 8,031,311 km (0.096 R)
• M50: 8,582,131 km (0.107 R)
• M51: 8,759,404 km (0.054 R)
• M52: 8,855,296 km (0.119 R)
• M53: 9,550,777 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.7

Radius: 15

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.99 AU - 1.51 AU

Year: 889 Days

Day: 13.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 10,575,336 km

• M1: 194,028 km (0.088 R)
• M2: 391,498 km (0.109 R)
• M3: 500,405 km (0.048 R)
• M4: 730,786 km (0.057 R)
• M5: 876,494 km (0.073 R)
• M6: 986,598 km (0.094 R)
• M7: 1,193,492 km (0.051 R)
• M8: 1,295,368 km (0.052 R)
• M9: 1,461,870 km (0.108 R)
• M10: 1,783,805 km (0.102 R)
• M11: 2,075,970 km (0.03 R)
• M12: 2,191,908 km (0.096 R)
• M13: 2,496,340 km (0.094 R)
• M14: 2,648,929 km (0.111 R)
• M15: 2,913,867 km (0.11 R)
• M16: 3,270,509 km (0.09 R)
• M17: 3,459,451 km (0.093 R)
• M18: 3,706,287 km (0.111 R)
• M19: 3,837,485 km (0.075 R)
• M20: 4,206,393 km (0.068 R)
• M21: 4,657,281 km (0.076 R)
• M22: 4,834,854 km (0.108 R)
• M23: 4,990,735 km (0.107 R)
• M24: 5,160,379 km (0.057 R)
• M25: 5,282,750 km (0.038 R)
• M26: 5,418,584 km (0.112 R)
• M27: 5,543,050 km (0.09 R)
• M28: 5,883,983 km (0.117 R)
• M29: 5,986,308 km (0.115 R)
• M30: 6,127,978 km (0.118 R)
• M31: 6,244,814 km (0.077 R)
• M32: 6,454,251 km (0.116 R)
• M33: 6,840,063 km (0.057 R)
• M34: 6,974,851 km (0.112 R)
• M35: 7,481,240 km (0.093 R)
• M36: 7,703,991 km (0.061 R)
• M37: 8,013,808 km (0.08 R)
• M38: 8,256,157 km (0.049 R)
• M39: 8,414,132 km (0.1 R)
• M40: 8,602,326 km (0.073 R)
• M41: 8,879,830 km (0.112 R)
• M42: 9,071,465 km (0.06 R)
• M43: 9,353,906 km (0.089 R)
• M44: 9,533,872 km (0.084 R)
• M45: 9,669,558 km (0.112 R)
• M46: 9,836,359 km (0.103 R)
• M47: 10,049,985 km (0.087 R)
• M48: 10,528,549 km (0.084 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 17,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit