🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 10.1

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.73 AU - 0.77 AU

Year: 426 Days

Day: 11.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,351,037 km

• M1: 125,662 km (0.036 R)
• M2: 455,825 km (0.046 R)
• M3: 798,853 km (0.035 R)
• M4: 1,113,008 km (0.088 R)
• M5: 1,466,358 km (0.061 R)
• M6: 2,463,129 km (0.116 R)
• M7: 3,041,774 km (0.106 R)
• M8: 3,369,692 km (0.089 R)
• M9: 3,938,762 km (0.118 R)
• M10: 4,731,631 km (0.045 R)
• M11: 5,237,272 km (0.113 R)
• M12: 5,744,857 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.6

Radius: 8.7

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.9 AU - 1.36 AU

Year: 788 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,351,037 km

• M1: 108,309 km (0.116 R)
• M2: 384,467 km (0.073 R)
• M3: 738,415 km (0.111 R)
• M4: 1,155,344 km (0.108 R)
• M5: 1,449,753 km (0.104 R)
• M6: 1,742,067 km (0.094 R)
• M7: 2,204,175 km (0.09 R)
• M8: 2,594,177 km (0.106 R)
• M9: 2,953,960 km (0.042 R)
• M10: 3,613,537 km (0.073 R)
• M11: 4,270,271 km (0.112 R)
• M12: 4,635,739 km (0.088 R)
• M13: 5,779,863 km (0.097 R)
• M14: 6,207,115 km (0.084 R)
• M15: 8,667,252 km (0.068 R)
• M16: 9,092,110 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.7

Radius: 12.5

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.44 AU - 1.86 AU

Year: 1390 Days

Day: 13.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,351,037 km

• M1: 155,731 km (0.108 R)
• M2: 828,024 km (0.105 R)
• M3: 2,506,662 km (0.04 R)
• M4: 3,075,433 km (0.076 R)
• M5: 3,561,177 km (0.074 R)
• M6: 4,351,652 km (0.08 R)
• M7: 5,784,650 km (0.083 R)
• M8: 6,371,074 km (0.112 R)
• M9: 8,077,836 km (0.111 R)
• M10: 8,923,962 km (0.034 R)
• M11: 9,559,753 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.6

Radius: 12.4

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.24 AU - 4.6 AU

Year: 6096 Days

Day: 6.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,351,037 km

• M1: 154,235 km (0.1 R)
• M2: 590,463 km (0.115 R)
• M3: 2,173,807 km (0.064 R)
• M4: 3,382,408 km (0.1 R)
• M5: 4,487,039 km (0.069 R)
• M6: 5,309,528 km (0.045 R)
• M7: 6,262,316 km (0.107 R)
• M8: 6,970,363 km (0.063 R)
• M9: 8,190,184 km (0.118 R)
• M10: 9,079,394 km (0.111 R)
• M11: 11,290,301 km (0.088 R)
• M12: 11,732,363 km (0.064 R)
• M13: 13,344,579 km (0.106 R)
• M14: 14,175,595 km (0.042 R)
• M15: 17,132,547 km (0.071 R)
• M16: 23,356,117 km (0.032 R)
• M17: 25,895,391 km (0.075 R)
• M18: 34,098,890 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.9

Radius: 10

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.82 AU - 6.68 AU

Year: 9045 Days

Day: 10.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,351,037 km

• M1: 124,465 km (0.079 R)
• M2: 565,480 km (0.095 R)
• M3: 898,634 km (0.119 R)
• M4: 1,593,068 km (0.11 R)
• M5: 1,980,077 km (0.12 R)
• M6: 2,538,676 km (0.113 R)
• M7: 3,220,992 km (0.057 R)
• M8: 4,333,551 km (0.108 R)
• M9: 5,588,976 km (0.104 R)
• M10: 7,260,134 km (0.056 R)
• M11: 8,976,022 km (0.115 R)
• M12: 9,695,887 km (0.055 R)
• M13: 10,308,640 km (0.075 R)
• M14: 12,852,851 km (0.094 R)
• M15: 13,650,507 km (0.068 R)
• M16: 14,785,356 km (0.048 R)
• M17: 15,470,514 km (0.103 R)
• M18: 17,584,482 km (0.106 R)
• M19: 18,854,717 km (0.119 R)
• M20: 19,291,393 km (0.093 R)
• M21: 20,796,049 km (0.054 R)
• M22: 21,576,950 km (0.055 R)
• M23: 23,867,742 km (0.095 R)
• M24: 26,226,003 km (0.079 R)
• M25: 29,216,913 km (0.106 R)
• M26: 32,324,360 km (0.095 R)
• M27: 35,204,717 km (0.09 R)
• M28: 35,534,880 km (0.099 R)
• M29: 37,217,257 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.5

Radius: 7.2

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.76 AU - 7.04 AU

Year: 9401 Days

Day: 20.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,351,037 km

• M1: 91,554 km (0.088 R)
• M2: 372,947 km (0.116 R)
• M3: 1,169,706 km (0.066 R)
• M4: 1,422,676 km (0.101 R)
• M5: 1,943,276 km (0.072 R)
• M6: 2,212,403 km (0.085 R)
• M7: 2,683,337 km (0.097 R)
• M8: 3,151,279 km (0.071 R)
• M9: 4,855,348 km (0.101 R)
• M10: 5,132,105 km (0.113 R)
• M11: 7,333,736 km (0.078 R)
• M12: 8,033,106 km (0.111 R)
• M13: 8,957,173 km (0.119 R)
• M14: 10,147,672 km (0.082 R)
• M15: 10,448,364 km (0.116 R)
• M16: 12,153,780 km (0.078 R)
• M17: 12,838,639 km (0.109 R)
• M18: 16,242,140 km (0.115 R)
• M19: 18,297,316 km (0.106 R)
• M20: 18,818,365 km (0.096 R)
• M21: 19,502,476 km (0.103 R)
• M22: 24,854,190 km (0.111 R)
• M23: 28,852,642 km (0.066 R)
• M24: 30,069,322 km (0.113 R)
• M25: 30,899,141 km (0.076 R)
• M26: 32,713,165 km (0.114 R)
• M27: 35,738,183 km (0.116 R)
• M28: 36,318,174 km (0.099 R)
• M29: 37,735,614 km (0.043 R)
• M30: 43,380,091 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.7

Radius: 3.6

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.57 AU - 9.17 AU

Year: 15885 Days

Day: 16.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,351,037 km

• M1: 44,879 km (0.115 R)
• M2: 216,917 km (0.078 R)
• M3: 480,359 km (0.047 R)
• M4: 618,737 km (0.04 R)
• M5: 775,067 km (0.116 R)
• M6: 987,496 km (0.103 R)
• M7: 1,297,163 km (0.083 R)
• M8: 1,448,257 km (0.093 R)
• M9: 1,770,940 km (0.102 R)
• M10: 2,208,813 km (0.065 R)
• M11: 2,481,380 km (0.108 R)
• M12: 2,775,788 km (0.108 R)
• M13: 2,984,627 km (0.094 R)
• M14: 4,664,910 km (0.115 R)
• M15: 4,930,147 km (0.118 R)
• M16: 7,153,920 km (0.116 R)
• M17: 7,387,891 km (0.104 R)
• M18: 8,504,041 km (0.111 R)
• M19: 9,446,507 km (0.053 R)
• M20: 9,680,777 km (0.047 R)
• M21: 10,112,218 km (0.109 R)
• M22: 13,794,719 km (0.082 R)
• M23: 20,147,841 km (0.056 R)
• M24: 27,158,147 km (0.086 R)
• M25: 27,441,635 km (0.117 R)
• M26: 32,672,624 km (0.075 R)
• M27: 32,886,100 km (0.082 R)
• M28: 35,296,271 km (0.109 R)
• M29: 40,834,235 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.2

Radius: 6.3

Gravity: 19.71 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.26 AU - 9.78 AU

Year: 17771 Days

Day: 19.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,351,037 km

• M1: 151,842 km (0.036 R)
• M2: 396,285 km (0.101 R)
• M3: 622,776 km (0.097 R)
• M4: 903,571 km (0.089 R)
• M5: 1,281,605 km (0.044 R)
• M6: 1,523,654 km (0.089 R)
• M7: 1,963,472 km (0.111 R)
• M8: 2,287,052 km (0.047 R)
• M9: 2,529,850 km (0.097 R)
• M10: 4,203,700 km (0.114 R)
• M11: 5,288,584 km (0.102 R)
• M12: 7,086,601 km (0.109 R)
• M13: 8,300,737 km (0.11 R)
• M14: 11,259,334 km (0.034 R)
• M15: 12,630,997 km (0.053 R)
• M16: 12,835,797 km (0.115 R)
• M17: 13,676,537 km (0.061 R)
• M18: 17,325,378 km (0.039 R)
• M19: 19,598,817 km (0.053 R)
• M20: 20,806,969 km (0.063 R)
• M21: 21,671,944 km (0.094 R)
• M22: 21,965,455 km (0.102 R)
• M23: 24,199,999 km (0.109 R)
• M24: 25,480,407 km (0.105 R)
• M25: 27,485,018 km (0.028 R)
• M26: 29,353,047 km (0.116 R)
• M27: 34,789,733 km (0.112 R)
• M28: 36,972,665 km (0.119 R)
• M29: 46,782,396 km (0.092 R)
• M30: 59,140,227 km (0.11 R)
• M31: 60,871,673 km (0.076 R)
• M32: 61,456,152 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.8

Radius: 4.9

Gravity: 31.73 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 10.06 AU - 11.32 AU

Year: 22929 Days

Day: 18.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,351,037 km

• M1: 60,886 km (0.087 R)
• M2: 213,775 km (0.08 R)
• M3: 710,590 km (0.106 R)
• M4: 1,283,849 km (0.099 R)
• M5: 2,253,692 km (0.106 R)
• M6: 2,968,770 km (0.094 R)
• M7: 3,543,076 km (0.063 R)
• M8: 4,020,144 km (0.103 R)
• M9: 4,467,292 km (0.081 R)
• M10: 5,378,941 km (0.099 R)
• M11: 6,779,028 km (0.081 R)
• M12: 7,114,875 km (0.117 R)
• M13: 7,613,784 km (0.086 R)
• M14: 10,463,473 km (0.112 R)
• M15: 12,547,372 km (0.107 R)
• M16: 14,495,884 km (0.083 R)
• M17: 16,897,229 km (0.053 R)
• M18: 17,071,959 km (0.113 R)
• M19: 18,421,482 km (0.112 R)
• M20: 31,867,638 km (0.089 R)
• M21: 34,323,735 km (0.06 R)
• M22: 35,597,861 km (0.115 R)
• M23: 35,885,238 km (0.103 R)
• M24: 48,338,214 km (0.093 R)
• M25: 49,937,415 km (0.072 R)
• M26: 64,872,518 km (0.112 R)
• M27: 66,381,362 km (0.113 R)
• M28: 71,961,064 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 16,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit