🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.8

Radius: 11.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.78 AU - 0.84 AU

Year: 464 Days

Day: 5.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 119.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,549,748 km

• M1: 148,102 km (0.075 R)
• M2: 596,746 km (0.108 R)
• M3: 1,039,406 km (0.117 R)
• M4: 1,410,558 km (0.083 R)
• M5: 1,990,400 km (0.091 R)
• M6: 2,859,115 km (0.109 R)
• M7: 3,288,610 km (0.114 R)
• M8: 4,253,217 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.8

Radius: 12.4

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.64 AU - 1.02 AU

Year: 481 Days

Day: 7.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 44,549,748 km

• M1: 154,235 km (0.047 R)
• M2: 655,239 km (0.103 R)
• M3: 1,756,279 km (0.069 R)
• M4: 3,449,727 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.8

Radius: 10.4

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.1 AU - 1.28 AU

Year: 825 Days

Day: 8.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,549,748 km

• M1: 129,402 km (0.113 R)
• M2: 706,850 km (0.066 R)
• M3: 1,030,580 km (0.101 R)
• M4: 1,575,266 km (0.092 R)
• M5: 1,943,276 km (0.067 R)
• M6: 2,369,032 km (0.105 R)
• M7: 2,831,888 km (0.057 R)
• M8: 3,204,536 km (0.103 R)
• M9: 4,541,941 km (0.105 R)
• M10: 4,874,048 km (0.111 R)
• M11: 5,706,261 km (0.097 R)
• M12: 6,052,131 km (0.07 R)
• M13: 6,763,918 km (0.057 R)
• M14: 7,245,174 km (0.101 R)
• M15: 8,774,364 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.6

Radius: 12.7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.25 AU - 1.33 AU

Year: 932 Days

Day: 7.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,549,748 km

• M1: 159,172 km (0.117 R)
• M2: 670,797 km (0.1 R)
• M3: 1,227,899 km (0.074 R)
• M4: 2,027,051 km (0.104 R)
• M5: 3,148,886 km (0.096 R)
• M6: 3,832,249 km (0.094 R)
• M7: 4,329,512 km (0.107 R)
• M8: 4,907,558 km (0.109 R)
• M9: 5,414,545 km (0.101 R)
• M10: 5,956,538 km (0.092 R)
• M11: 6,488,808 km (0.102 R)
• M12: 7,004,322 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.1

Radius: 9.5

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.87 AU - 2.81 AU

Year: 2276 Days

Day: 11.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,549,748 km

• M1: 129,552 km (0.058 R)
• M2: 679,025 km (0.034 R)
• M3: 987,944 km (0.111 R)
• M4: 1,441,076 km (0.047 R)
• M5: 1,874,312 km (0.116 R)
• M6: 3,552,800 km (0.067 R)
• M7: 3,927,842 km (0.107 R)
• M8: 6,932,964 km (0.046 R)
• M9: 7,252,355 km (0.111 R)
• M10: 8,729,634 km (0.107 R)
• M11: 9,735,680 km (0.076 R)
• M12: 10,285,452 km (0.081 R)
• M13: 12,101,421 km (0.085 R)
• M14: 12,651,043 km (0.105 R)
• M15: 14,541,511 km (0.104 R)
• M16: 14,921,939 km (0.118 R)
• M17: 16,305,869 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.7

Radius: 13.8

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.32 AU - 2.62 AU

Year: 2468 Days

Day: 5 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,549,748 km

• M1: 172,337 km (0.091 R)
• M2: 616,194 km (0.088 R)
• M3: 1,444,966 km (0.069 R)
• M4: 1,913,357 km (0.113 R)
• M5: 2,699,045 km (0.09 R)
• M6: 3,936,219 km (0.072 R)
• M7: 5,595,858 km (0.117 R)
• M8: 6,232,995 km (0.113 R)
• M9: 6,721,283 km (0.082 R)
• M10: 7,205,830 km (0.074 R)
• M11: 8,868,910 km (0.044 R)
• M12: 9,488,395 km (0.109 R)
• M13: 11,124,696 km (0.104 R)
• M14: 11,886,598 km (0.116 R)
• M15: 13,029,227 km (0.057 R)
• M16: 14,059,058 km (0.087 R)
• M17: 14,807,048 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.6

Radius: 8.7

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.84 AU - 4.04 AU

Year: 4057 Days

Day: 11.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,549,748 km

• M1: 108,608 km (0.066 R)
• M2: 551,119 km (0.119 R)
• M3: 1,045,988 km (0.116 R)
• M4: 1,418,038 km (0.087 R)
• M5: 1,710,203 km (0.039 R)
• M6: 2,360,056 km (0.118 R)
• M7: 2,678,400 km (0.109 R)
• M8: 3,183,293 km (0.063 R)
• M9: 3,573,444 km (0.074 R)
• M10: 4,229,281 km (0.078 R)
• M11: 4,819,295 km (0.119 R)
• M12: 5,832,971 km (0.075 R)
• M13: 6,275,930 km (0.049 R)
• M14: 6,681,938 km (0.067 R)
• M15: 7,578,628 km (0.032 R)
• M16: 8,174,177 km (0.088 R)
• M17: 9,272,674 km (0.112 R)
• M18: 10,790,644 km (0.073 R)
• M19: 11,331,590 km (0.1 R)
• M20: 14,460,729 km (0.06 R)
• M21: 15,848,698 km (0.099 R)
• M22: 16,767,079 km (0.085 R)
• M23: 18,591,126 km (0.082 R)
• M24: 20,229,970 km (0.096 R)
• M25: 21,180,964 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.9

Radius: 11.4

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.15 AU - 6.19 AU

Year: 7474 Days

Day: 5.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,549,748 km

• M1: 141,819 km (0.09 R)
• M2: 1,151,754 km (0.102 R)
• M3: 2,481,679 km (0.106 R)
• M4: 3,121,958 km (0.052 R)
• M5: 3,561,776 km (0.098 R)
• M6: 4,273,263 km (0.059 R)
• M7: 4,874,198 km (0.092 R)
• M8: 6,044,951 km (0.09 R)
• M9: 6,660,995 km (0.094 R)
• M10: 7,021,077 km (0.116 R)
• M11: 7,470,469 km (0.04 R)
• M12: 10,058,961 km (0.111 R)
• M13: 11,174,363 km (0.056 R)
• M14: 11,632,581 km (0.091 R)
• M15: 12,424,103 km (0.068 R)
• M16: 15,386,141 km (0.056 R)
• M17: 16,535,352 km (0.041 R)
• M18: 17,740,961 km (0.05 R)
• M19: 18,576,615 km (0.041 R)
• M20: 20,027,565 km (0.073 R)
• M21: 21,474,625 km (0.11 R)
• M22: 26,862,542 km (0.091 R)
• M23: 29,095,888 km (0.103 R)
• M24: 30,751,039 km (0.096 R)
• M25: 33,193,224 km (0.111 R)
• M26: 34,247,889 km (0.081 R)
• M27: 35,324,844 km (0.053 R)
• M28: 36,535,540 km (0.117 R)
• M29: 37,207,384 km (0.106 R)
• M30: 38,230,633 km (0.079 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471

Radius: 14.4

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.35 AU - 7.01 AU

Year: 8607 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,549,748 km

• M1: 179,069 km (0.081 R)
• M2: 661,073 km (0.076 R)
• M3: 1,689,858 km (0.066 R)
• M4: 2,236,937 km (0.09 R)
• M5: 3,104,006 km (0.104 R)
• M6: 4,211,180 km (0.095 R)
• M7: 4,828,421 km (0.11 R)
• M8: 5,353,210 km (0.097 R)
• M9: 6,112,270 km (0.072 R)
• M10: 7,161,250 km (0.092 R)
• M11: 7,925,097 km (0.101 R)
• M12: 8,912,742 km (0.079 R)
• M13: 9,797,314 km (0.104 R)
• M14: 11,536,389 km (0.104 R)
• M15: 12,106,656 km (0.1 R)
• M16: 13,701,220 km (0.103 R)
• M17: 14,698,739 km (0.078 R)
• M18: 17,170,245 km (0.103 R)
• M19: 19,323,707 km (0.101 R)
• M20: 20,129,441 km (0.079 R)
• M21: 20,578,234 km (0.116 R)
• M22: 21,264,141 km (0.101 R)
• M23: 22,361,291 km (0.104 R)
• M24: 24,245,177 km (0.117 R)
• M25: 25,442,559 km (0.112 R)
• M26: 28,140,855 km (0.037 R)
• M27: 28,796,842 km (0.113 R)
• M28: 29,271,666 km (0.099 R)
• M29: 33,053,350 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.9

Radius: 7.8

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.13 AU - 7.51 AU

Year: 10102 Days

Day: 17.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,549,748 km

• M1: 104,868 km (0.104 R)
• M2: 392,395 km (0.076 R)
• M3: 799,900 km (0.11 R)
• M4: 1,954,347 km (0.078 R)
• M5: 2,348,687 km (0.093 R)
• M6: 3,343,662 km (0.119 R)
• M7: 3,631,339 km (0.091 R)
• M8: 4,801,194 km (0.114 R)
• M9: 5,653,603 km (0.029 R)
• M10: 6,133,513 km (0.043 R)
• M11: 6,529,498 km (0.061 R)
• M12: 6,942,239 km (0.113 R)
• M13: 9,746,900 km (0.086 R)
• M14: 10,038,765 km (0.1 R)
• M15: 11,641,108 km (0.066 R)
• M16: 15,279,029 km (0.097 R)
• M17: 16,482,394 km (0.117 R)
• M18: 22,348,576 km (0.053 R)
• M19: 23,984,428 km (0.099 R)
• M20: 28,076,528 km (0.046 R)
• M21: 30,287,136 km (0.046 R)
• M22: 32,395,120 km (0.035 R)
• M23: 35,051,529 km (0.08 R)
• M24: 40,919,356 km (0.095 R)
• M25: 41,298,437 km (0.117 R)
• M26: 43,360,344 km (0.109 R)
• M27: 44,018,425 km (0.053 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 16,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit