🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.8

Radius: 14.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.61 AU - 0.95 AU

Year: 452 Days

Day: 13.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,706,679 km

• M1: 184,005 km (0.066 R)
• M2: 683,961 km (0.101 R)
• M3: 1,364,781 km (0.096 R)
• M4: 2,144,934 km (0.115 R)
• M5: 3,209,772 km (0.12 R)
• M6: 4,558,696 km (0.04 R)
• M7: 5,702,521 km (0.119 R)
• M8: 6,258,876 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 9.7

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.98 AU - 1.1 AU

Year: 696 Days

Day: 14.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,706,679 km

• M1: 120,576 km (0.119 R)
• M2: 466,446 km (0.061 R)
• M3: 1,085,183 km (0.103 R)
• M4: 1,548,188 km (0.077 R)
• M5: 1,939,536 km (0.087 R)
• M6: 2,260,274 km (0.056 R)
• M7: 2,639,654 km (0.096 R)
• M8: 3,023,523 km (0.094 R)
• M9: 3,362,661 km (0.088 R)
• M10: 4,470,284 km (0.025 R)
• M11: 5,071,966 km (0.109 R)
• M12: 5,746,204 km (0.117 R)
• M13: 6,415,804 km (0.086 R)
• M14: 7,113,828 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.9

Radius: 12.2

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.89 AU - 2.05 AU

Year: 1814 Days

Day: 10.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,706,679 km

• M1: 151,842 km (0.108 R)
• M2: 607,367 km (0.081 R)
• M3: 1,134,251 km (0.102 R)
• M4: 1,728,155 km (0.095 R)
• M5: 8,474,869 km (0.046 R)
• M6: 9,421,375 km (0.112 R)
• M7: 9,969,651 km (0.093 R)
• M8: 11,272,648 km (0.053 R)
• M9: 12,417,072 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.2

Radius: 8.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.83 AU - 2.89 AU

Year: 2378 Days

Day: 14.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,706,679 km

• M1: 108,309 km (0.095 R)
• M2: 673,190 km (0.034 R)
• M3: 1,051,224 km (0.058 R)
• M4: 1,807,741 km (0.051 R)
• M5: 2,213,001 km (0.114 R)
• M6: 3,013,051 km (0.092 R)
• M7: 3,657,818 km (0.076 R)
• M8: 4,282,837 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.3

Radius: 11.4

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.6 AU - 4.58 AU

Year: 5426 Days

Day: 11.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,706,679 km

• M1: 141,819 km (0.059 R)
• M2: 510,578 km (0.087 R)
• M3: 902,075 km (0.065 R)
• M4: 1,276,668 km (0.044 R)
• M5: 1,910,215 km (0.076 R)
• M6: 2,442,335 km (0.044 R)
• M7: 3,112,085 km (0.066 R)
• M8: 3,534,698 km (0.103 R)
• M9: 3,924,102 km (0.094 R)
• M10: 5,966,711 km (0.095 R)
• M11: 7,254,450 km (0.077 R)
• M12: 7,925,546 km (0.118 R)
• M13: 9,521,456 km (0.055 R)
• M14: 10,189,111 km (0.033 R)
• M15: 10,983,176 km (0.081 R)
• M16: 11,818,082 km (0.072 R)
• M17: 13,122,127 km (0.106 R)
• M18: 13,614,304 km (0.088 R)
• M19: 14,810,638 km (0.085 R)
• M20: 18,751,943 km (0.074 R)
• M21: 19,447,125 km (0.105 R)
• M22: 20,159,510 km (0.118 R)
• M23: 24,638,769 km (0.048 R)
• M24: 26,498,420 km (0.115 R)
• M25: 29,460,907 km (0.116 R)
• M26: 30,116,595 km (0.107 R)
• M27: 31,749,605 km (0.116 R)
• M28: 34,051,617 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.8

Radius: 13.1

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.53 AU - 5.71 AU

Year: 6514 Days

Day: 6.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,706,679 km

• M1: 162,912 km (0.082 R)
• M2: 648,656 km (0.119 R)
• M3: 1,087,577 km (0.067 R)
• M4: 1,555,967 km (0.073 R)
• M5: 2,744,373 km (0.074 R)
• M6: 3,391,683 km (0.11 R)
• M7: 4,139,074 km (0.036 R)
• M8: 5,730,646 km (0.082 R)
• M9: 6,292,086 km (0.118 R)
• M10: 7,456,556 km (0.113 R)
• M11: 8,532,913 km (0.119 R)
• M12: 9,874,955 km (0.089 R)
• M13: 10,683,831 km (0.102 R)
• M14: 11,172,119 km (0.095 R)
• M15: 11,768,416 km (0.097 R)
• M16: 12,776,257 km (0.114 R)
• M17: 13,530,828 km (0.091 R)
• M18: 14,799,867 km (0.102 R)
• M19: 16,320,679 km (0.092 R)
• M20: 18,192,447 km (0.106 R)
• M21: 19,343,005 km (0.095 R)
• M22: 20,136,621 km (0.056 R)
• M23: 24,972,223 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.5

Radius: 8

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.51 AU - 10.31 AU

Year: 17447 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,706,679 km

• M1: 99,632 km (0.037 R)
• M2: 715,527 km (0.074 R)
• M3: 1,029,383 km (0.093 R)
• M4: 2,012,091 km (0.086 R)
• M5: 2,630,679 km (0.101 R)
• M6: 3,518,392 km (0.091 R)
• M7: 7,085,404 km (0.077 R)
• M8: 9,208,497 km (0.111 R)
• M9: 12,008,969 km (0.073 R)
• M10: 14,597,012 km (0.105 R)
• M11: 15,673,818 km (0.114 R)
• M12: 16,947,494 km (0.094 R)
• M13: 20,349,050 km (0.071 R)
• M14: 24,088,100 km (0.097 R)
• M15: 24,737,205 km (0.105 R)
• M16: 25,684,758 km (0.104 R)
• M17: 26,167,510 km (0.109 R)
• M18: 26,557,960 km (0.084 R)
• M19: 34,502,954 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.6

Radius: 5

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.05 AU - 10.99 AU

Year: 17771 Days

Day: 24.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,706,679 km

• M1: 62,233 km (0.044 R)
• M2: 238,309 km (0.115 R)
• M3: 461,958 km (0.085 R)
• M4: 1,290,282 km (0.081 R)
• M5: 1,684,771 km (0.059 R)
• M6: 2,608,538 km (0.082 R)
• M7: 3,167,735 km (0.116 R)
• M8: 4,179,017 km (0.117 R)
• M9: 5,004,198 km (0.096 R)
• M10: 5,323,590 km (0.057 R)
• M11: 5,488,297 km (0.084 R)
• M12: 6,662,640 km (0.062 R)
• M13: 9,496,174 km (0.051 R)
• M14: 11,944,044 km (0.047 R)
• M15: 12,398,821 km (0.077 R)
• M16: 13,832,418 km (0.105 R)
• M17: 15,108,637 km (0.08 R)
• M18: 15,573,288 km (0.057 R)
• M19: 15,978,997 km (0.092 R)
• M20: 17,673,044 km (0.109 R)
• M21: 20,112,835 km (0.106 R)
• M22: 22,338,702 km (0.111 R)
• M23: 23,290,892 km (0.073 R)
• M24: 23,555,232 km (0.115 R)
• M25: 24,998,702 km (0.109 R)
• M26: 28,661,306 km (0.065 R)
• M27: 30,619,991 km (0.088 R)
• M28: 40,862,210 km (0.047 R)
• M29: 45,912,484 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.9

Radius: 7.6

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.81 AU - 11.37 AU

Year: 19482 Days

Day: 20.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 162.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,706,679 km

• M1: 94,546 km (0.105 R)
• M2: 445,502 km (0.092 R)
• M3: 718,070 km (0.027 R)
• M4: 1,286,392 km (0.086 R)
• M5: 1,572,573 km (0.028 R)
• M6: 1,901,239 km (0.103 R)
• M7: 2,275,533 km (0.067 R)
• M8: 2,824,408 km (0.083 R)
• M9: 3,061,969 km (0.101 R)
• M10: 5,044,739 km (0.101 R)
• M11: 5,396,294 km (0.104 R)
• M12: 6,921,594 km (0.075 R)
• M13: 7,505,026 km (0.104 R)
• M14: 8,173,728 km (0.09 R)
• M15: 9,050,372 km (0.081 R)
• M16: 12,403,010 km (0.096 R)
• M17: 14,784,010 km (0.055 R)
• M18: 15,586,602 km (0.119 R)
• M19: 17,808,729 km (0.104 R)
• M20: 23,510,502 km (0.115 R)
• M21: 24,825,168 km (0.103 R)
• M22: 36,142,846 km (0.116 R)
• M23: 36,864,805 km (0.092 R)
• M24: 39,848,834 km (0.054 R)
• M25: 45,786,672 km (0.115 R)
• M26: 49,406,043 km (0.08 R)
• M27: 52,840,960 km (0.115 R)
• M28: 62,841,578 km (0.101 R)
• M29: 69,497,785 km (0.071 R)
• M30: 72,195,783 km (0.084 R)
• M31: 80,461,963 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.6

Radius: 6.9

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.49 AU - 11.37 AU

Year: 22097 Days

Day: 15.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,706,679 km

• M1: 115,190 km (0.102 R)
• M2: 356,193 km (0.067 R)
• M3: 666,758 km (0.109 R)
• M4: 1,662,930 km (0.042 R)
• M5: 1,931,309 km (0.046 R)
• M6: 2,166,626 km (0.081 R)
• M7: 3,093,834 km (0.059 R)
• M8: 3,946,093 km (0.097 R)
• M9: 6,356,713 km (0.102 R)
• M10: 7,340,468 km (0.097 R)
• M11: 9,272,824 km (0.118 R)
• M12: 11,020,277 km (0.045 R)
• M13: 11,520,981 km (0.096 R)
• M14: 12,703,103 km (0.097 R)
• M15: 18,417,891 km (0.108 R)
• M16: 20,774,806 km (0.095 R)
• M17: 23,632,574 km (0.118 R)
• M18: 25,532,317 km (0.113 R)
• M19: 28,686,289 km (0.117 R)
• M20: 30,478,322 km (0.111 R)
• M21: 30,845,435 km (0.09 R)
• M22: 34,548,132 km (0.085 R)
• M23: 38,110,506 km (0.052 R)
• M24: 41,609,451 km (0.109 R)
• M25: 48,569,492 km (0.116 R)
• M26: 49,070,495 km (0.087 R)
• M27: 64,537,120 km (0.075 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 17,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit