🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.1

Radius: 12.5

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.44 AU - 0.72 AU

Year: 295 Days

Day: 7 Hours

Environment

Temp: -143 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,362,707 km

• M1: 155,582 km (0.106 R)
• M2: 608,564 km (0.083 R)
• M3: 1,031,178 km (0.051 R)
• M4: 1,513,332 km (0.099 R)
• M5: 1,959,134 km (0.073 R)
• M6: 2,373,370 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.7

Radius: 11.8

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.41 AU - 1.67 AU

Year: 1274 Days

Day: 11 Hours

Environment

Temp: -196 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,362,707 km

• M1: 149,897 km (0.095 R)
• M2: 546,481 km (0.063 R)
• M3: 952,938 km (0.111 R)
• M4: 1,342,491 km (0.112 R)
• M5: 1,733,540 km (0.034 R)
• M6: 2,440,689 km (0.075 R)
• M7: 2,937,803 km (0.104 R)
• M8: 3,846,012 km (0.046 R)
• M9: 4,538,949 km (0.107 R)
• M10: 5,584,339 km (0.115 R)
• M11: 6,076,067 km (0.085 R)
• M12: 6,846,795 km (0.107 R)
• M13: 7,388,639 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.1

Radius: 10.7

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.4 AU - 1.72 AU

Year: 1299 Days

Day: 13.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,362,707 km

• M1: 133,142 km (0.117 R)
• M2: 471,832 km (0.086 R)
• M3: 841,039 km (0.071 R)
• M4: 1,539,811 km (0.095 R)
• M5: 2,049,640 km (0.03 R)
• M6: 2,856,721 km (0.066 R)
• M7: 3,349,048 km (0.115 R)
• M8: 5,362,336 km (0.111 R)
• M9: 8,360,427 km (0.104 R)
• M10: 8,767,333 km (0.086 R)
• M11: 9,402,525 km (0.039 R)
• M12: 10,329,883 km (0.088 R)
• M13: 11,960,799 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.8

Radius: 11.1

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.42 AU - 2.02 AU

Year: 1504 Days

Day: 13.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,362,707 km

• M1: 138,677 km (0.115 R)
• M2: 535,560 km (0.116 R)
• M3: 1,291,329 km (0.073 R)
• M4: 1,884,185 km (0.058 R)
• M5: 2,461,035 km (0.079 R)
• M6: 2,936,606 km (0.119 R)
• M7: 3,317,782 km (0.106 R)
• M8: 3,765,229 km (0.059 R)
• M9: 4,127,256 km (0.101 R)
• M10: 4,743,300 km (0.052 R)
• M11: 5,313,118 km (0.097 R)
• M12: 5,725,559 km (0.071 R)
• M13: 6,135,906 km (0.068 R)
• M14: 7,566,959 km (0.096 R)
• M15: 8,815,354 km (0.087 R)
• M16: 9,838,304 km (0.102 R)
• M17: 10,361,897 km (0.086 R)
• M18: 11,716,505 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.2

Radius: 11.3

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.98 AU - 2.06 AU

Year: 1915 Days

Day: 10.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,362,707 km

• M1: 140,472 km (0.049 R)
• M2: 628,012 km (0.05 R)
• M3: 1,347,428 km (0.034 R)
• M4: 2,533,290 km (0.085 R)
• M5: 2,928,977 km (0.073 R)
• M6: 6,053,478 km (0.114 R)
• M7: 6,895,863 km (0.106 R)
• M8: 7,508,766 km (0.097 R)
• M9: 7,899,516 km (0.103 R)
• M10: 8,333,050 km (0.09 R)
• M11: 9,343,285 km (0.093 R)
• M12: 10,330,930 km (0.103 R)
• M13: 13,103,427 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.8

Radius: 8.5

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.94 AU - 3.94 AU

Year: 4255 Days

Day: 8.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,362,707 km

• M1: 106,813 km (0.113 R)
• M2: 473,627 km (0.079 R)
• M3: 829,520 km (0.091 R)
• M4: 1,253,481 km (0.087 R)
• M5: 2,509,055 km (0.061 R)
• M6: 2,855,075 km (0.1 R)
• M7: 3,121,509 km (0.06 R)
• M8: 4,110,949 km (0.108 R)
• M9: 4,475,519 km (0.106 R)
• M10: 4,787,581 km (0.118 R)
• M11: 5,784,052 km (0.08 R)
• M12: 6,390,821 km (0.103 R)
• M13: 6,787,405 km (0.116 R)
• M14: 7,071,491 km (0.114 R)
• M15: 8,797,252 km (0.073 R)
• M16: 9,135,344 km (0.114 R)
• M17: 9,837,556 km (0.065 R)
• M18: 10,120,296 km (0.03 R)
• M19: 11,174,363 km (0.041 R)
• M20: 11,750,614 km (0.063 R)
• M21: 13,499,263 km (0.097 R)
• M22: 14,461,626 km (0.099 R)
• M23: 16,409,390 km (0.107 R)
• M24: 16,980,106 km (0.067 R)
• M25: 21,486,742 km (0.066 R)
• M26: 24,823,373 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.6

Radius: 12.9

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.24 AU - 4.54 AU

Year: 5116 Days

Day: 12.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,362,707 km

• M1: 162,613 km (0.088 R)
• M2: 571,165 km (0.113 R)
• M3: 1,450,351 km (0.074 R)
• M4: 1,890,767 km (0.053 R)
• M5: 2,295,430 km (0.06 R)
• M6: 2,811,692 km (0.11 R)
• M7: 3,831,800 km (0.073 R)
• M8: 4,539,099 km (0.116 R)
• M9: 5,416,041 km (0.12 R)
• M10: 6,308,393 km (0.039 R)
• M11: 8,615,341 km (0.099 R)
• M12: 9,372,606 km (0.062 R)
• M13: 11,390,531 km (0.081 R)
• M14: 12,204,793 km (0.12 R)
• M15: 13,789,483 km (0.119 R)
• M16: 15,107,590 km (0.104 R)
• M17: 16,031,955 km (0.097 R)
• M18: 17,116,390 km (0.116 R)
• M19: 18,507,650 km (0.062 R)
• M20: 19,031,841 km (0.12 R)
• M21: 21,514,418 km (0.054 R)
• M22: 24,596,284 km (0.094 R)
• M23: 25,230,279 km (0.033 R)
• M24: 27,875,918 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.8

Radius: 10.6

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.94 AU - 5.18 AU

Year: 6493 Days

Day: 7.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,362,707 km

• M1: 131,796 km (0.044 R)
• M2: 756,816 km (0.095 R)
• M3: 1,253,181 km (0.091 R)
• M4: 1,726,659 km (0.1 R)
• M5: 3,757,300 km (0.052 R)
• M6: 4,287,774 km (0.11 R)
• M7: 5,312,968 km (0.097 R)
• M8: 5,753,235 km (0.046 R)
• M9: 6,116,159 km (0.079 R)
• M10: 7,184,737 km (0.099 R)
• M11: 7,645,349 km (0.116 R)
• M12: 8,373,292 km (0.05 R)
• M13: 9,102,582 km (0.117 R)
• M14: 11,035,685 km (0.076 R)
• M15: 12,890,699 km (0.102 R)
• M16: 13,746,100 km (0.081 R)
• M17: 15,443,437 km (0.116 R)
• M18: 17,687,255 km (0.099 R)
• M19: 20,140,361 km (0.101 R)
• M20: 25,534,113 km (0.084 R)
• M21: 27,341,404 km (0.063 R)
• M22: 28,656,220 km (0.099 R)
• M23: 29,718,515 km (0.11 R)
• M24: 30,111,359 km (0.108 R)
• M25: 30,907,219 km (0.11 R)
• M26: 31,819,168 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.1

Radius: 3.3

Gravity: 81.83 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.11 AU - 7.81 AU

Year: 12245 Days

Day: 23 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,362,707 km

• M1: 42,037 km (0.036 R)
• M2: 361,728 km (0.096 R)
• M3: 498,610 km (0.091 R)
• M4: 669,600 km (0.039 R)
• M5: 778,807 km (0.032 R)
• M6: 921,224 km (0.08 R)
• M7: 1,154,746 km (0.102 R)
• M8: 1,722,470 km (0.119 R)
• M9: 2,076,568 km (0.115 R)
• M10: 2,498,584 km (0.098 R)
• M11: 2,787,008 km (0.044 R)
• M12: 2,927,331 km (0.106 R)
• M13: 3,563,870 km (0.047 R)
• M14: 3,842,571 km (0.1 R)
• M15: 5,386,271 km (0.088 R)
• M16: 5,904,329 km (0.113 R)
• M17: 6,019,669 km (0.118 R)
• M18: 6,215,044 km (0.092 R)
• M19: 6,374,365 km (0.064 R)
• M20: 7,343,759 km (0.114 R)
• M21: 7,794,498 km (0.039 R)
• M22: 8,073,647 km (0.092 R)
• M23: 8,407,550 km (0.048 R)
• M24: 13,826,583 km (0.066 R)
• M25: 14,722,375 km (0.117 R)
• M26: 16,705,145 km (0.076 R)
• M27: 22,008,689 km (0.052 R)
• M28: 25,899,879 km (0.102 R)
• M29: 28,991,319 km (0.107 R)
• M30: 29,102,022 km (0.053 R)
• M31: 31,144,631 km (0.099 R)
• M32: 33,402,362 km (0.086 R)
• M33: 34,633,253 km (0.117 R)
• M34: 37,185,244 km (0.107 R)
• M35: 44,991,560 km (0.114 R)
• M36: 48,334,922 km (0.043 R)
• M37: 49,432,522 km (0.114 R)
• M38: 52,330,831 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785

Radius: 3.1

Gravity: 81.69 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.22 AU - 12.72 AU

Year: 22592 Days

Day: 24.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,362,707 km

• M1: 38,596 km (0.109 R)
• M2: 150,346 km (0.098 R)
• M3: 301,739 km (0.08 R)
• M4: 477,816 km (0.118 R)
• M5: 896,540 km (0.12 R)
• M6: 1,436,439 km (0.086 R)
• M7: 1,814,323 km (0.09 R)
• M8: 2,232,299 km (0.054 R)
• M9: 4,627,361 km (0.068 R)
• M10: 4,812,863 km (0.054 R)
• M11: 6,525,908 km (0.094 R)
• M12: 8,662,166 km (0.119 R)
• M13: 12,745,290 km (0.101 R)
• M14: 12,963,104 km (0.103 R)
• M15: 14,400,740 km (0.11 R)
• M16: 15,361,457 km (0.095 R)
• M17: 15,608,144 km (0.099 R)
• M18: 16,449,632 km (0.089 R)
• M19: 19,728,967 km (0.093 R)
• M20: 20,020,533 km (0.113 R)
• M21: 20,912,137 km (0.109 R)
• M22: 22,246,251 km (0.107 R)
• M23: 22,880,695 km (0.076 R)
• M24: 23,745,371 km (0.109 R)
• M25: 24,185,637 km (0.09 R)
• M26: 28,028,507 km (0.099 R)
• M27: 32,258,836 km (0.114 R)
• M28: 34,595,405 km (0.109 R)
• M29: 43,905,928 km (0.113 R)
• M30: 56,492,195 km (0.094 R)
• M31: 57,473,408 km (0.099 R)
• M32: 62,550,310 km (0.11 R)
• M33: 68,360,093 km (0.078 R)
• M34: 70,600,022 km (0.119 R)
• M35: 77,371,271 km (0.069 R)
• M36: 80,542,297 km (0.111 R)
• M37: 82,034,536 km (0.101 R)
• M38: 85,330,925 km (0.113 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: 488 - 15,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit