🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.49 AU - 0.63 AU

Year: 275 Days

Day: 30.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.48 AU - 0.66 AU

Year: 282 Days

Day: 19.1 Hours

Environment

Temp: -121 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 17,469,527 km

• M1: 436,826 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.1

Radius: 8.6

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.57 AU - 0.87 AU

Year: 401 Days

Day: 10.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 17,469,527 km

• M1: 123,867 km (0.12 R)
• M2: 203,154 km (0.112 R)
• M3: 303,833 km (0.111 R)
• M4: 379,081 km (0.11 R)
• M5: 471,981 km (0.104 R)
• M6: 534,214 km (0.087 R)
• M7: 614,398 km (0.039 R)
• M8: 691,142 km (0.032 R)
• M9: 759,209 km (0.119 R)
• M10: 964,308 km (0.043 R)
• M11: 1,083,089 km (0.075 R)
• M12: 1,139,487 km (0.056 R)
• M13: 1,260,512 km (0.099 R)
• M14: 1,345,334 km (0.054 R)
• M15: 1,676,693 km (0.065 R)
• M16: 1,770,491 km (0.072 R)
• M17: 1,832,125 km (0.072 R)
• M18: 1,934,600 km (0.058 R)
• M19: 2,121,447 km (0.067 R)
• M20: 2,211,206 km (0.084 R)
• M21: 2,271,793 km (0.117 R)
• M22: 2,419,297 km (0.076 R)
• M23: 2,621,104 km (0.105 R)
• M24: 2,717,595 km (0.028 R)
• M25: 2,782,520 km (0.083 R)
• M26: 2,841,462 km (0.082 R)
• M27: 2,927,331 km (0.118 R)
• M28: 3,115,376 km (0.068 R)
• M29: 3,286,516 km (0.104 R)
• M30: 3,453,916 km (0.112 R)
• M31: 3,524,526 km (0.088 R)
• M32: 3,595,585 km (0.119 R)
• M33: 3,760,741 km (0.083 R)
• M34: 3,928,590 km (0.119 R)
• M35: 3,987,531 km (0.102 R)
• M36: 4,091,352 km (0.102 R)
• M37: 4,218,660 km (0.112 R)
• M38: 4,500,502 km (0.088 R)
• M39: 4,569,916 km (0.117 R)
• M40: 4,686,602 km (0.097 R)
• M41: 4,867,316 km (0.082 R)
• M42: 4,922,668 km (0.081 R)
• M43: 5,018,261 km (0.094 R)
• M44: 5,138,687 km (0.104 R)
• M45: 5,300,552 km (0.087 R)
• M46: 5,414,994 km (0.103 R)
• M47: 5,472,440 km (0.11 R)
• M48: 5,621,290 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.3

Radius: 15

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.85 AU - 0.87 AU

Year: 523 Days

Day: 5.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 17,469,527 km

• M1: 188,344 km (0.028 R)
• M2: 317,447 km (0.12 R)
• M3: 413,040 km (0.079 R)
• M4: 520,301 km (0.107 R)
• M5: 613,650 km (0.118 R)
• M6: 722,109 km (0.107 R)
• M7: 824,583 km (0.101 R)
• M8: 989,141 km (0.109 R)
• M9: 1,086,829 km (0.093 R)
• M10: 1,213,987 km (0.1 R)
• M11: 1,313,170 km (0.051 R)
• M12: 1,425,518 km (0.032 R)
• M13: 1,527,245 km (0.098 R)
• M14: 1,638,994 km (0.105 R)
• M15: 1,791,135 km (0.117 R)
• M16: 1,890,169 km (0.07 R)
• M17: 1,987,258 km (0.072 R)
• M18: 2,190,861 km (0.039 R)
• M19: 2,389,078 km (0.03 R)
• M20: 2,541,668 km (0.106 R)
• M21: 2,636,662 km (0.07 R)
• M22: 2,768,009 km (0.111 R)
• M23: 2,974,006 km (0.12 R)
• M24: 3,069,898 km (0.085 R)
• M25: 3,171,325 km (0.062 R)
• M26: 3,297,436 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658

Radius: 12.9

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.88 AU - 0.98 AU

Year: 588 Days

Day: 7.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 17,469,527 km

• M1: 161,117 km (0.094 R)
• M2: 287,228 km (0.053 R)
• M3: 368,460 km (0.07 R)
• M4: 554,559 km (0.106 R)
• M5: 707,897 km (0.055 R)
• M6: 795,412 km (0.054 R)
• M7: 1,013,825 km (0.114 R)
• M8: 1,230,143 km (0.047 R)
• M9: 1,373,458 km (0.032 R)
• M10: 1,480,271 km (0.049 R)
• M11: 1,590,076 km (0.098 R)
• M12: 1,728,155 km (0.111 R)
• M13: 1,890,169 km (0.05 R)
• M14: 1,983,069 km (0.116 R)
• M15: 2,084,497 km (0.057 R)
• M16: 2,194,750 km (0.076 R)
• M17: 2,559,320 km (0.076 R)
• M18: 2,737,641 km (0.069 R)
• M19: 2,982,084 km (0.089 R)
• M20: 3,099,219 km (0.081 R)
• M21: 3,201,843 km (0.028 R)
• M22: 3,329,899 km (0.079 R)
• M23: 3,566,563 km (0.103 R)
• M24: 3,674,423 km (0.115 R)
• M25: 3,919,015 km (0.114 R)
• M26: 4,064,873 km (0.114 R)
• M27: 4,168,993 km (0.066 R)
• M28: 4,326,969 km (0.099 R)
• M29: 4,433,333 km (0.108 R)
• M30: 4,522,643 km (0.062 R)
• M31: 4,639,628 km (0.094 R)
• M32: 4,830,814 km (0.113 R)
• M33: 4,932,092 km (0.094 R)
• M34: 5,071,368 km (0.092 R)
• M35: 5,155,442 km (0.063 R)
• M36: 5,268,388 km (0.081 R)
• M37: 5,496,824 km (0.112 R)
• M38: 5,612,314 km (0.116 R)
• M39: 5,826,089 km (0.054 R)
• M40: 5,914,352 km (0.114 R)
• M41: 6,022,810 km (0.09 R)
• M42: 6,311,983 km (0.111 R)
• M43: 6,392,467 km (0.033 R)
• M44: 6,544,608 km (0.092 R)
• M45: 6,831,686 km (0.118 R)
• M46: 7,101,860 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.5

Radius: 11.9

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.14 AU - 1.3 AU

Year: 884 Days

Day: 9 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 17,469,527 km

• M1: 149,448 km (0.096 R)
• M2: 239,357 km (0.113 R)
• M3: 357,539 km (0.087 R)
• M4: 648,656 km (0.109 R)
• M5: 746,045 km (0.096 R)
• M6: 825,780 km (0.09 R)
• M7: 994,826 km (0.088 R)
• M8: 1,090,419 km (0.067 R)
• M9: 1,175,989 km (0.114 R)
• M10: 1,319,154 km (0.117 R)
• M11: 1,403,826 km (0.056 R)
• M12: 1,646,624 km (0.117 R)
• M13: 2,098,110 km (0.109 R)
• M14: 2,525,511 km (0.051 R)
• M15: 2,677,054 km (0.082 R)
• M16: 2,785,961 km (0.061 R)
• M17: 3,036,538 km (0.099 R)
• M18: 3,217,401 km (0.04 R)
• M19: 3,314,042 km (0.092 R)
• M20: 3,411,579 km (0.067 R)
• M21: 3,569,854 km (0.082 R)
• M22: 3,710,326 km (0.091 R)
• M23: 3,862,916 km (0.08 R)
• M24: 3,955,368 km (0.065 R)
• M25: 4,079,983 km (0.101 R)
• M26: 4,205,944 km (0.09 R)
• M27: 4,333,252 km (0.117 R)
• M28: 4,526,532 km (0.085 R)
• M29: 4,602,528 km (0.078 R)
• M30: 4,810,768 km (0.075 R)
• M31: 5,675,294 km (0.097 R)
• M32: 6,005,906 km (0.094 R)
• M33: 6,233,893 km (0.101 R)
• M34: 6,464,722 km (0.108 R)
• M35: 6,636,760 km (0.104 R)
• M36: 6,735,644 km (0.076 R)
• M37: 7,048,004 km (0.054 R)
• M38: 7,174,265 km (0.113 R)
• M39: 7,442,045 km (0.068 R)
• M40: 7,519,088 km (0.096 R)
• M41: 7,596,430 km (0.111 R)
• M42: 7,778,042 km (0.083 R)
• M43: 7,882,461 km (0.105 R)
• M44: 7,974,165 km (0.081 R)
• M45: 8,066,317 km (0.066 R)
• M46: 8,451,681 km (0.103 R)
• M47: 8,612,798 km (0.083 R)
• M48: 8,775,112 km (0.119 R)
• M49: 8,911,096 km (0.068 R)
• M50: 9,364,976 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.3

Radius: 12.1

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.2 AU - 1.76 AU

Year: 1181 Days

Day: 9.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 17,469,527 km

• M1: 160,818 km (0.12 R)
• M2: 278,701 km (0.091 R)
• M3: 411,095 km (0.059 R)
• M4: 490,831 km (0.081 R)
• M5: 577,448 km (0.078 R)
• M6: 755,469 km (0.082 R)
• M7: 873,203 km (0.096 R)
• M8: 953,088 km (0.115 R)
• M9: 1,136,794 km (0.103 R)
• M10: 1,216,979 km (0.069 R)
• M11: 1,332,618 km (0.103 R)
• M12: 1,504,655 km (0.094 R)
• M13: 1,814,323 km (0.11 R)
• M14: 2,094,819 km (0.059 R)
• M15: 2,368,733 km (0.111 R)
• M16: 2,473,152 km (0.091 R)
• M17: 2,741,231 km (0.028 R)
• M18: 2,940,197 km (0.077 R)
• M19: 3,086,952 km (0.084 R)
• M20: 3,294,145 km (0.061 R)
• M21: 3,458,553 km (0.091 R)
• M22: 3,589,601 km (0.037 R)
• M23: 3,734,561 km (0.053 R)
• M24: 4,018,049 km (0.102 R)
• M25: 4,257,406 km (0.119 R)
• M26: 4,359,731 km (0.097 R)
• M27: 5,139,136 km (0.093 R)
• M28: 5,220,816 km (0.106 R)
• M29: 5,357,997 km (0.086 R)
• M30: 5,510,288 km (0.072 R)
• M31: 5,819,058 km (0.066 R)
• M32: 6,104,940 km (0.038 R)
• M33: 6,264,112 km (0.111 R)
• M34: 6,366,137 km (0.116 R)
• M35: 6,586,495 km (0.067 R)
• M36: 6,764,816 km (0.073 R)
• M37: 6,854,574 km (0.091 R)
• M38: 7,020,030 km (0.102 R)
• M39: 7,095,726 km (0.098 R)
• M40: 7,509,215 km (0.098 R)
• M41: 7,586,557 km (0.117 R)
• M42: 7,679,906 km (0.115 R)
• M43: 7,804,820 km (0.046 R)
• M44: 7,914,775 km (0.098 R)
• M45: 8,263,487 km (0.12 R)
• M46: 8,391,693 km (0.099 R)
• M47: 8,649,898 km (0.092 R)
• M48: 8,828,818 km (0.096 R)
• M49: 8,927,103 km (0.066 R)
• M50: 9,390,109 km (0.034 R)
• M51: 9,861,043 km (0.094 R)
• M52: 10,133,610 km (0.035 R)
• M53: 10,460,482 km (0.086 R)
• M54: 10,599,159 km (0.095 R)
• M55: 10,860,805 km (0.075 R)
• M56: 11,054,235 km (0.114 R)
• M57: 11,160,151 km (0.109 R)
• M58: 11,284,018 km (0.118 R)
• M59: 11,605,055 km (0.037 R)
• M60: 11,874,929 km (0.11 R)
• M61: 12,128,498 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.7

Radius: 8.7

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.36 AU - 5.6 AU

Year: 6221 Days

Day: 5.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 17,469,527 km

• M1: 125,513 km (0.083 R)
• M2: 193,879 km (0.114 R)
• M3: 363,373 km (0.119 R)
• M4: 600,635 km (0.06 R)
• M5: 820,844 km (0.11 R)
• M6: 1,017,565 km (0.097 R)
• M7: 1,325,138 km (0.089 R)
• M8: 1,512,135 km (0.046 R)
• M9: 1,614,759 km (0.059 R)
• M10: 1,826,889 km (0.041 R)
• M11: 2,023,162 km (0.105 R)
• M12: 2,226,465 km (0.1 R)
• M13: 2,356,914 km (0.056 R)
• M14: 2,449,815 km (0.05 R)
• M15: 2,652,969 km (0.033 R)
• M16: 2,805,558 km (0.076 R)
• M17: 2,918,206 km (0.102 R)
• M18: 2,989,564 km (0.093 R)
• M19: 3,133,776 km (0.093 R)
• M20: 3,920,960 km (0.118 R)
• M21: 3,983,941 km (0.078 R)
• M22: 4,385,462 km (0.052 R)
• M23: 4,766,487 km (0.107 R)
• M24: 5,331,519 km (0.101 R)
• M25: 6,283,260 km (0.033 R)
• M26: 6,394,262 km (0.079 R)
• M27: 6,487,312 km (0.065 R)
• M28: 7,228,420 km (0.115 R)
• M29: 7,697,708 km (0.097 R)
• M30: 7,956,213 km (0.05 R)
• M31: 8,707,194 km (0.103 R)
• M32: 8,768,978 km (0.053 R)
• M33: 8,934,733 km (0.1 R)
• M34: 8,997,265 km (0.084 R)
• M35: 9,080,591 km (0.049 R)
• M36: 9,374,850 km (0.117 R)
• M37: 9,480,615 km (0.046 R)
• M38: 9,886,474 km (0.069 R)
• M39: 10,080,653 km (0.112 R)
• M40: 10,626,685 km (0.053 R)
• M41: 10,869,931 km (0.058 R)
• M42: 11,542,972 km (0.058 R)
• M43: 12,229,327 km (0.111 R)
• M44: 12,414,678 km (0.094 R)
• M45: 12,554,253 km (0.099 R)
• M46: 13,094,152 km (0.105 R)
• M47: 13,259,906 km (0.087 R)
• M48: 13,906,169 km (0.062 R)
• M49: 14,415,849 km (0.075 R)
• M50: 14,759,027 km (0.104 R)
• M51: 14,931,513 km (0.117 R)
• M52: 15,653,772 km (0.09 R)
• M53: 16,057,087 km (0.088 R)
• M54: 16,796,849 km (0.062 R)
• M55: 17,443,561 km (0.093 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 19,677 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit