🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 12.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.4 AU - 0.64 AU

Year: 250 Days

Day: 5.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,237,533 km

• M1: 155,881 km (0.05 R)
• M2: 600,935 km (0.102 R)
• M3: 1,056,011 km (0.081 R)
• M4: 1,491,491 km (0.098 R)
• M5: 1,907,522 km (0.105 R)
• M6: 2,361,552 km (0.075 R)
• M7: 3,029,207 km (0.093 R)
• M8: 3,708,082 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 12.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.61 AU - 0.77 AU

Year: 382 Days

Day: 10.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,237,533 km

• M1: 155,731 km (0.098 R)
• M2: 545,434 km (0.102 R)
• M3: 1,115,103 km (0.076 R)
• M4: 1,668,914 km (0.119 R)
• M5: 2,144,934 km (0.107 R)
• M6: 2,682,589 km (0.109 R)
• M7: 3,445,688 km (0.045 R)
• M8: 4,740,457 km (0.105 R)
• M9: 5,217,076 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.3

Radius: 14.1

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.23 AU - 1.23 AU

Year: 910 Days

Day: 5.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,237,533 km

• M1: 176,974 km (0.099 R)
• M2: 704,456 km (0.096 R)
• M3: 1,232,686 km (0.096 R)
• M4: 1,919,939 km (0.069 R)
• M5: 2,700,990 km (0.115 R)
• M6: 3,244,927 km (0.081 R)
• M7: 3,876,829 km (0.099 R)
• M8: 5,167,260 km (0.096 R)
• M9: 5,932,154 km (0.102 R)
• M10: 6,384,239 km (0.108 R)
• M11: 7,265,819 km (0.085 R)
• M12: 8,127,204 km (0.04 R)
• M13: 8,869,807 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.9

Radius: 9

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.67 AU - 2.01 AU

Year: 1664 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,237,533 km

• M1: 114,143 km (0.096 R)
• M2: 523,742 km (0.104 R)
• M3: 1,169,855 km (0.117 R)
• M4: 1,451,847 km (0.06 R)
• M5: 1,929,065 km (0.115 R)
• M6: 2,229,457 km (0.084 R)
• M7: 2,588,193 km (0.119 R)
• M8: 3,121,210 km (0.112 R)
• M9: 3,555,044 km (0.103 R)
• M10: 3,938,014 km (0.075 R)
• M11: 4,745,843 km (0.082 R)
• M12: 5,545,294 km (0.092 R)
• M13: 6,381,696 km (0.082 R)
• M14: 7,662,403 km (0.11 R)
• M15: 8,095,638 km (0.078 R)
• M16: 8,885,366 km (0.102 R)
• M17: 10,407,225 km (0.092 R)
• M18: 11,980,097 km (0.119 R)
• M19: 12,328,361 km (0.116 R)
• M20: 13,167,305 km (0.102 R)
• M21: 13,621,784 km (0.116 R)
• M22: 14,301,407 km (0.089 R)
• M23: 14,914,459 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.4

Radius: 11.3

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.63 AU - 2.37 AU

Year: 1886 Days

Day: 13 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,237,533 km

• M1: 140,622 km (0.078 R)
• M2: 517,609 km (0.078 R)
• M3: 1,056,460 km (0.109 R)
• M4: 1,832,724 km (0.078 R)
• M5: 3,636,425 km (0.066 R)
• M6: 4,022,687 km (0.114 R)
• M7: 6,010,244 km (0.086 R)
• M8: 7,845,660 km (0.106 R)
• M9: 8,321,830 km (0.059 R)
• M10: 9,026,885 km (0.116 R)
• M11: 10,998,735 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.9

Radius: 12.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.04 AU - 4.3 AU

Year: 5679 Days

Day: 6.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,237,533 km

• M1: 156,629 km (0.077 R)
• M2: 753,824 km (0.09 R)
• M3: 1,162,824 km (0.118 R)
• M4: 1,584,541 km (0.112 R)
• M5: 2,570,690 km (0.091 R)
• M6: 3,325,112 km (0.032 R)
• M7: 3,930,385 km (0.056 R)
• M8: 4,399,524 km (0.099 R)
• M9: 5,045,787 km (0.11 R)
• M10: 6,262,915 km (0.098 R)
• M11: 6,663,987 km (0.105 R)
• M12: 8,403,511 km (0.089 R)
• M13: 9,017,610 km (0.055 R)
• M14: 11,381,705 km (0.118 R)
• M15: 12,496,658 km (0.094 R)
• M16: 13,850,519 km (0.1 R)
• M17: 15,662,448 km (0.08 R)
• M18: 18,362,839 km (0.118 R)
• M19: 19,048,895 km (0.096 R)
• M20: 21,359,883 km (0.098 R)
• M21: 25,758,809 km (0.09 R)
• M22: 26,445,313 km (0.113 R)
• M23: 29,968,193 km (0.098 R)
• M24: 30,727,702 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522

Radius: 3.1

Gravity: 54.32 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.9 AU - 6.22 AU

Year: 9948 Days

Day: 17.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,237,533 km

• M1: 38,596 km (0.088 R)
• M2: 155,582 km (0.111 R)
• M3: 272,119 km (0.04 R)
• M4: 371,900 km (0.097 R)
• M5: 1,047,634 km (0.056 R)
• M6: 1,453,643 km (0.099 R)
• M7: 1,590,973 km (0.07 R)
• M8: 2,282,564 km (0.056 R)
• M9: 2,604,499 km (0.106 R)
• M10: 2,828,447 km (0.1 R)
• M11: 3,456,309 km (0.115 R)
• M12: 3,577,483 km (0.113 R)
• M13: 4,478,212 km (0.111 R)
• M14: 4,919,975 km (0.113 R)
• M15: 5,422,324 km (0.1 R)
• M16: 6,238,830 km (0.106 R)
• M17: 6,346,390 km (0.112 R)
• M18: 6,639,154 km (0.118 R)
• M19: 6,788,901 km (0.117 R)
• M20: 8,632,096 km (0.08 R)
• M21: 10,886,686 km (0.102 R)
• M22: 14,296,620 km (0.081 R)
• M23: 14,798,969 km (0.082 R)
• M24: 17,702,814 km (0.063 R)
• M25: 18,208,903 km (0.048 R)
• M26: 19,554,386 km (0.114 R)
• M27: 23,636,464 km (0.071 R)
• M28: 24,161,552 km (0.109 R)
• M29: 29,341,678 km (0.092 R)
• M30: 35,556,123 km (0.055 R)
• M31: 37,412,782 km (0.111 R)
• M32: 38,485,099 km (0.075 R)
• M33: 39,211,247 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.6

Radius: 3.9

Gravity: 54.35 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.92 AU - 8.94 AU

Year: 14892 Days

Day: 19.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,237,533 km

• M1: 52,509 km (0.05 R)
• M2: 194,627 km (0.1 R)
• M3: 449,392 km (0.048 R)
• M4: 588,518 km (0.074 R)
• M5: 1,014,573 km (0.094 R)
• M6: 1,328,579 km (0.034 R)
• M7: 1,555,668 km (0.103 R)
• M8: 2,875,271 km (0.078 R)
• M9: 3,150,980 km (0.087 R)
• M10: 3,527,219 km (0.097 R)
• M11: 3,872,939 km (0.06 R)
• M12: 4,209,385 km (0.093 R)
• M13: 4,598,190 km (0.11 R)
• M14: 5,298,757 km (0.116 R)
• M15: 5,674,546 km (0.097 R)
• M16: 9,184,561 km (0.09 R)
• M17: 11,294,190 km (0.106 R)
• M18: 13,023,093 km (0.117 R)
• M19: 14,847,439 km (0.077 R)
• M20: 18,059,006 km (0.081 R)
• M21: 18,479,675 km (0.111 R)
• M22: 19,253,545 km (0.083 R)
• M23: 20,409,189 km (0.086 R)
• M24: 21,328,916 km (0.029 R)
• M25: 22,857,507 km (0.119 R)
• M26: 28,102,558 km (0.079 R)
• M27: 28,553,746 km (0.063 R)
• M28: 29,586,719 km (0.089 R)
• M29: 39,321,800 km (0.048 R)
• M30: 41,611,845 km (0.09 R)
• M31: 44,444,630 km (0.039 R)
• M32: 50,656,981 km (0.101 R)
• M33: 53,021,076 km (0.112 R)
• M34: 53,537,039 km (0.07 R)
• M35: 54,230,126 km (0.089 R)
• M36: 54,578,988 km (0.091 R)
• M37: 58,698,315 km (0.116 R)
• M38: 65,554,385 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.3

Radius: 3.6

Gravity: 14.92 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.42 AU - 12.64 AU

Year: 22786 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,237,533 km

• M1: 51,611 km (0.079 R)
• M2: 190,887 km (0.119 R)
• M3: 864,526 km (0.111 R)
• M4: 1,151,604 km (0.105 R)
• M5: 2,089,882 km (0.042 R)
• M6: 4,460,859 km (0.045 R)
• M7: 6,023,109 km (0.077 R)
• M8: 7,693,370 km (0.109 R)
• M9: 9,243,952 km (0.08 R)
• M10: 9,546,588 km (0.06 R)
• M11: 10,823,705 km (0.099 R)
• M12: 11,912,329 km (0.105 R)
• M13: 13,325,131 km (0.092 R)
• M14: 19,761,729 km (0.047 R)
• M15: 22,447,011 km (0.114 R)
• M16: 26,358,397 km (0.079 R)
• M17: 27,583,603 km (0.111 R)
• M18: 33,805,977 km (0.113 R)
• M19: 38,263,545 km (0.113 R)
• M20: 38,912,052 km (0.11 R)
• M21: 39,832,228 km (0.118 R)
• M22: 46,096,340 km (0.096 R)
• M23: 49,537,689 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.2

Radius: 7.2

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 8.27 AU - 13.13 AU

Year: 23340 Days

Day: 18.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,237,533 km

• M1: 89,609 km (0.096 R)
• M2: 340,036 km (0.08 R)
• M3: 1,417,589 km (0.105 R)
• M4: 1,807,441 km (0.085 R)
• M5: 2,918,804 km (0.059 R)
• M6: 5,019,457 km (0.118 R)
• M7: 5,369,666 km (0.12 R)
• M8: 6,438,094 km (0.117 R)
• M9: 7,596,281 km (0.092 R)
• M10: 8,393,189 km (0.048 R)
• M11: 8,687,448 km (0.063 R)
• M12: 15,820,424 km (0.071 R)
• M13: 23,295,380 km (0.098 R)
• M14: 25,680,569 km (0.068 R)
• M15: 28,005,619 km (0.09 R)
• M16: 29,219,157 km (0.119 R)
• M17: 30,467,402 km (0.077 R)
• M18: 37,642,115 km (0.119 R)
• M19: 42,187,796 km (0.051 R)
• M20: 52,185,871 km (0.083 R)
• M21: 56,939,642 km (0.108 R)
• M22: 58,883,667 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 13,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit