🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.7

Radius: 10.6

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.62 AU - 0.76 AU

Year: 370 Days

Day: 5.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,261,092 km

• M1: 131,796 km (0.045 R)
• M2: 488,886 km (0.103 R)
• M3: 1,184,666 km (0.079 R)
• M4: 1,534,425 km (0.108 R)
• M5: 2,159,445 km (0.045 R)
• M6: 2,757,986 km (0.082 R)
• M7: 3,805,321 km (0.032 R)
• M8: 4,366,313 km (0.09 R)
• M9: 4,836,948 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.4

Radius: 8.8

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.72 AU - 0.92 AU

Year: 479 Days

Day: 14.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,261,092 km

• M1: 109,506 km (0.1 R)
• M2: 472,879 km (0.114 R)
• M3: 768,933 km (0.092 R)
• M4: 1,072,617 km (0.063 R)
• M5: 1,815,071 km (0.077 R)
• M6: 2,558,722 km (0.106 R)
• M7: 2,918,804 km (0.074 R)
• M8: 3,678,163 km (0.085 R)
• M9: 4,490,629 km (0.095 R)
• M10: 4,862,529 km (0.091 R)
• M11: 5,336,006 km (0.083 R)
• M12: 5,634,604 km (0.109 R)
• M13: 5,961,774 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.8

Radius: 10

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.25 AU - 2.07 AU

Year: 1381 Days

Day: 6.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,261,092 km

• M1: 124,615 km (0.063 R)
• M2: 461,061 km (0.056 R)
• M3: 851,212 km (0.097 R)
• M4: 1,279,810 km (0.102 R)
• M5: 1,705,117 km (0.066 R)
• M6: 2,363,347 km (0.093 R)
• M7: 2,845,202 km (0.079 R)
• M8: 3,197,206 km (0.066 R)
• M9: 3,771,961 km (0.119 R)
• M10: 4,341,480 km (0.106 R)
• M11: 5,438,481 km (0.069 R)
• M12: 7,108,442 km (0.119 R)
• M13: 8,005,730 km (0.083 R)
• M14: 8,539,046 km (0.079 R)
• M15: 9,337,600 km (0.085 R)
• M16: 9,802,400 km (0.076 R)
• M17: 11,710,521 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.8

Radius: 14.5

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.2 AU - 3.54 AU

Year: 3139 Days

Day: 10.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,261,092 km

• M1: 180,265 km (0.113 R)
• M2: 668,553 km (0.05 R)
• M3: 1,297,462 km (0.114 R)
• M4: 2,492,151 km (0.105 R)
• M5: 3,381,361 km (0.108 R)
• M6: 4,733,277 km (0.111 R)
• M7: 5,222,761 km (0.071 R)
• M8: 5,811,428 km (0.094 R)
• M9: 6,656,956 km (0.117 R)
• M10: 7,197,752 km (0.037 R)
• M11: 9,117,242 km (0.031 R)
• M12: 9,754,679 km (0.112 R)
• M13: 10,421,736 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 8.4

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.8 AU - 3.04 AU

Year: 3222 Days

Day: 6.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,261,092 km

• M1: 104,419 km (0.066 R)
• M2: 464,352 km (0.093 R)
• M3: 1,093,560 km (0.118 R)
• M4: 1,908,869 km (0.086 R)
• M5: 2,627,088 km (0.046 R)
• M6: 3,032,050 km (0.071 R)
• M7: 3,442,397 km (0.037 R)
• M8: 4,066,818 km (0.11 R)
• M9: 6,075,319 km (0.063 R)
• M10: 7,703,692 km (0.1 R)
• M11: 8,735,618 km (0.099 R)
• M12: 9,110,810 km (0.073 R)
• M13: 10,114,611 km (0.078 R)
• M14: 10,414,555 km (0.116 R)
• M15: 11,230,163 km (0.116 R)
• M16: 13,432,542 km (0.074 R)
• M17: 14,587,588 km (0.082 R)
• M18: 18,504,509 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 14.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.47 AU - 3.87 AU

Year: 3644 Days

Day: 11.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,261,092 km

• M1: 178,021 km (0.057 R)
• M2: 814,261 km (0.096 R)
• M3: 1,455,288 km (0.041 R)
• M4: 1,921,884 km (0.111 R)
• M5: 2,773,096 km (0.11 R)
• M6: 3,571,500 km (0.069 R)
• M7: 4,044,079 km (0.078 R)
• M8: 4,678,673 km (0.072 R)
• M9: 5,446,260 km (0.032 R)
• M10: 6,100,152 km (0.065 R)
• M11: 6,573,480 km (0.025 R)
• M12: 7,594,186 km (0.109 R)
• M13: 8,321,681 km (0.088 R)
• M14: 8,905,412 km (0.117 R)
• M15: 9,950,353 km (0.067 R)
• M16: 10,930,518 km (0.088 R)
• M17: 12,480,502 km (0.116 R)
• M18: 13,246,742 km (0.04 R)
• M19: 14,828,739 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.3

Radius: 8.8

Gravity: 11.12 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.97 AU - 3.99 AU

Year: 4192 Days

Day: 11.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 120.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,261,092 km

• M1: 109,506 km (0.069 R)
• M2: 408,552 km (0.058 R)
• M3: 683,961 km (0.088 R)
• M4: 1,055,413 km (0.113 R)
• M5: 2,518,480 km (0.115 R)
• M6: 2,901,002 km (0.105 R)
• M7: 3,362,063 km (0.117 R)
• M8: 3,717,806 km (0.096 R)
• M9: 4,215,369 km (0.062 R)
• M10: 4,859,986 km (0.066 R)
• M11: 6,889,880 km (0.031 R)
• M12: 7,396,568 km (0.111 R)
• M13: 8,987,391 km (0.062 R)
• M14: 10,616,811 km (0.12 R)
• M15: 13,860,991 km (0.118 R)
• M16: 15,393,770 km (0.053 R)
• M17: 17,280,200 km (0.093 R)
• M18: 17,962,815 km (0.068 R)
• M19: 18,663,232 km (0.12 R)
• M20: 23,253,942 km (0.038 R)
• M21: 23,933,116 km (0.114 R)
• M22: 25,728,889 km (0.055 R)
• M23: 27,030,091 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.5

Radius: 6.5

Gravity: 19.04 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.49 AU - 8.25 AU

Year: 12919 Days

Day: 20 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,261,092 km

• M1: 80,783 km (0.048 R)
• M2: 407,355 km (0.112 R)
• M3: 619,934 km (0.068 R)
• M4: 848,370 km (0.083 R)
• M5: 1,050,925 km (0.055 R)
• M6: 1,273,078 km (0.066 R)
• M7: 1,666,221 km (0.109 R)
• M8: 3,368,046 km (0.113 R)
• M9: 4,331,606 km (0.102 R)
• M10: 4,777,707 km (0.115 R)
• M11: 5,612,912 km (0.102 R)
• M12: 7,215,404 km (0.109 R)
• M13: 8,168,493 km (0.116 R)
• M14: 10,714,349 km (0.09 R)
• M15: 11,588,749 km (0.051 R)
• M16: 12,572,953 km (0.081 R)
• M17: 13,545,040 km (0.086 R)
• M18: 14,636,207 km (0.094 R)
• M19: 15,419,651 km (0.099 R)
• M20: 20,278,440 km (0.105 R)
• M21: 23,770,503 km (0.103 R)
• M22: 27,858,415 km (0.116 R)
• M23: 28,182,593 km (0.075 R)
• M24: 28,618,821 km (0.051 R)
• M25: 29,059,536 km (0.111 R)
• M26: 29,954,580 km (0.112 R)
• M27: 33,474,917 km (0.096 R)
• M28: 35,082,496 km (0.076 R)
• M29: 35,841,555 km (0.044 R)
• M30: 42,884,773 km (0.104 R)
• M31: 44,927,233 km (0.054 R)
• M32: 47,186,759 km (0.104 R)
• M33: 48,734,498 km (0.065 R)
• M34: 51,605,132 km (0.047 R)
• M35: 57,680,750 km (0.074 R)
• M36: 58,207,634 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.6

Radius: 7.7

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.48 AU - 9.44 AU

Year: 15888 Days

Day: 17.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,261,092 km

• M1: 162,613 km (0.035 R)
• M2: 451,337 km (0.068 R)
• M3: 718,519 km (0.054 R)
• M4: 1,736,532 km (0.118 R)
• M5: 2,544,959 km (0.115 R)
• M6: 3,152,925 km (0.091 R)
• M7: 3,662,904 km (0.074 R)
• M8: 6,423,433 km (0.082 R)
• M9: 7,073,287 km (0.072 R)
• M10: 12,469,731 km (0.114 R)
• M11: 13,094,601 km (0.1 R)
• M12: 20,881,918 km (0.088 R)
• M13: 22,759,521 km (0.066 R)
• M14: 24,553,050 km (0.093 R)
• M15: 25,236,862 km (0.045 R)
• M16: 35,690,013 km (0.059 R)
• M17: 36,064,157 km (0.108 R)
• M18: 37,587,363 km (0.065 R)
• M19: 43,397,744 km (0.115 R)
• M20: 46,441,313 km (0.076 R)
• M21: 49,007,215 km (0.027 R)
• M22: 51,348,272 km (0.08 R)
• M23: 51,666,018 km (0.069 R)
• M24: 54,915,284 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.6

Radius: 6.6

Gravity: 17.97 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 10.13 AU - 11.51 AU

Year: 22980 Days

Day: 21.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,261,092 km

• M1: 85,570 km (0.03 R)
• M2: 359,035 km (0.115 R)
• M3: 565,480 km (0.106 R)
• M4: 1,544,748 km (0.036 R)
• M5: 2,274,935 km (0.073 R)
• M6: 4,252,020 km (0.102 R)
• M7: 5,333,463 km (0.047 R)
• M8: 5,745,605 km (0.119 R)
• M9: 6,134,560 km (0.058 R)
• M10: 6,541,017 km (0.074 R)
• M11: 6,917,106 km (0.102 R)
• M12: 7,159,455 km (0.103 R)
• M13: 8,567,769 km (0.032 R)
• M14: 10,151,412 km (0.049 R)
• M15: 11,646,493 km (0.095 R)
• M16: 11,989,970 km (0.099 R)
• M17: 13,208,445 km (0.099 R)
• M18: 13,582,140 km (0.053 R)
• M19: 14,272,385 km (0.075 R)
• M20: 16,655,629 km (0.032 R)
• M21: 18,261,262 km (0.079 R)
• M22: 19,007,008 km (0.073 R)
• M23: 19,387,435 km (0.094 R)
• M24: 22,828,635 km (0.056 R)
• M25: 23,042,859 km (0.098 R)
• M26: 23,475,347 km (0.118 R)
• M27: 29,728,837 km (0.111 R)
• M28: 33,304,076 km (0.111 R)
• M29: 37,007,970 km (0.085 R)
• M30: 40,505,718 km (0.11 R)
• M31: 42,253,769 km (0.062 R)
• M32: 44,550,545 km (0.085 R)
• M33: 46,241,151 km (0.12 R)
• M34: 50,110,350 km (0.086 R)
• M35: 59,694,936 km (0.082 R)
• M36: 66,647,796 km (0.117 R)
• M37: 75,537,500 km (0.098 R)
• M38: 76,731,441 km (0.11 R)
• M39: 83,650,641 km (0.1 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 18,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit