🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.4

Radius: 12.6

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.63 AU - 0.73 AU

Year: 387 Days

Day: 12.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,297,902 km

• M1: 156,629 km (0.07 R)
• M2: 744,399 km (0.087 R)
• M3: 1,207,255 km (0.104 R)
• M4: 1,611,169 km (0.11 R)
• M5: 2,019,122 km (0.043 R)
• M6: 2,714,753 km (0.056 R)
• M7: 3,660,211 km (0.05 R)
• M8: 4,243,044 km (0.102 R)
• M9: 4,727,442 km (0.113 R)
• M10: 5,126,121 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.1

Radius: 9.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.01 AU - 1.45 AU

Year: 942 Days

Day: 6.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,297,902 km

• M1: 142,567 km (0.078 R)
• M2: 471,383 km (0.117 R)
• M3: 857,345 km (0.094 R)
• M4: 1,381,387 km (0.101 R)
• M5: 2,051,884 km (0.071 R)
• M6: 2,498,284 km (0.066 R)
• M7: 2,987,619 km (0.075 R)
• M8: 3,828,509 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.1

Radius: 13.6

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.76 AU - 3.5 AU

Year: 3822 Days

Day: 5.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,297,902 km

• M1: 184,155 km (0.082 R)
• M2: 706,252 km (0.112 R)
• M3: 1,146,817 km (0.11 R)
• M4: 1,598,603 km (0.09 R)
• M5: 2,071,781 km (0.064 R)
• M6: 3,006,468 km (0.118 R)
• M7: 3,612,639 km (0.106 R)
• M8: 4,276,106 km (0.11 R)
• M9: 5,286,041 km (0.079 R)
• M10: 8,505,686 km (0.078 R)
• M11: 8,964,353 km (0.116 R)
• M12: 10,658,399 km (0.096 R)
• M13: 11,102,256 km (0.083 R)
• M14: 11,558,380 km (0.086 R)
• M15: 14,835,770 km (0.118 R)
• M16: 15,558,777 km (0.079 R)
• M17: 16,363,464 km (0.103 R)
• M18: 17,622,480 km (0.12 R)
• M19: 20,063,618 km (0.107 R)
• M20: 22,143,926 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.2

Radius: 13.3

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.23 AU - 3.69 AU

Year: 4442 Days

Day: 14.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,297,902 km

• M1: 165,455 km (0.113 R)
• M2: 697,126 km (0.119 R)
• M3: 1,123,779 km (0.12 R)
• M4: 1,837,511 km (0.032 R)
• M5: 2,442,634 km (0.119 R)
• M6: 2,967,723 km (0.098 R)
• M7: 5,094,555 km (0.097 R)
• M8: 8,092,198 km (0.106 R)
• M9: 9,644,276 km (0.109 R)
• M10: 11,105,847 km (0.092 R)
• M11: 12,457,912 km (0.106 R)
• M12: 15,026,957 km (0.05 R)
• M13: 16,496,307 km (0.071 R)
• M14: 18,188,857 km (0.067 R)
• M15: 20,271,708 km (0.097 R)
• M16: 23,036,277 km (0.118 R)
• M17: 24,115,476 km (0.108 R)
• M18: 26,374,404 km (0.083 R)
• M19: 28,507,669 km (0.095 R)
• M20: 29,303,081 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.4

Radius: 14.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.18 AU - 4.08 AU

Year: 4774 Days

Day: 8.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,297,902 km

• M1: 175,329 km (0.108 R)
• M2: 762,500 km (0.086 R)
• M3: 1,289,234 km (0.083 R)
• M4: 2,194,152 km (0.116 R)
• M5: 3,111,636 km (0.073 R)
• M6: 4,344,023 km (0.104 R)
• M7: 4,846,821 km (0.07 R)
• M8: 5,791,532 km (0.118 R)
• M9: 7,124,150 km (0.112 R)
• M10: 9,167,358 km (0.077 R)
• M11: 9,702,619 km (0.107 R)
• M12: 10,258,674 km (0.085 R)
• M13: 11,388,138 km (0.085 R)
• M14: 12,399,569 km (0.108 R)
• M15: 13,365,672 km (0.048 R)
• M16: 15,275,738 km (0.095 R)
• M17: 22,983,170 km (0.118 R)
• M18: 23,973,508 km (0.102 R)
• M19: 28,917,119 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.3

Radius: 14.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.97 AU - 4.59 AU

Year: 6112 Days

Day: 11.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,297,902 km

• M1: 184,454 km (0.116 R)
• M2: 1,235,529 km (0.076 R)
• M3: 1,898,247 km (0.111 R)
• M4: 2,597,019 km (0.113 R)
• M5: 3,304,019 km (0.072 R)
• M6: 3,975,863 km (0.098 R)
• M7: 6,696,300 km (0.075 R)
• M8: 8,561,935 km (0.105 R)
• M9: 12,408,545 km (0.059 R)
• M10: 14,419,440 km (0.088 R)
• M11: 18,053,770 km (0.1 R)
• M12: 19,137,158 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.3

Radius: 5

Gravity: 26.01 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.25 AU - 8.65 AU

Year: 12647 Days

Day: 18.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,297,902 km

• M1: 62,382 km (0.103 R)
• M2: 332,556 km (0.098 R)
• M3: 697,425 km (0.091 R)
• M4: 1,063,342 km (0.078 R)
• M5: 1,390,512 km (0.04 R)
• M6: 1,670,111 km (0.041 R)
• M7: 1,916,648 km (0.106 R)
• M8: 3,882,813 km (0.119 R)
• M9: 4,846,522 km (0.05 R)
• M10: 5,110,413 km (0.089 R)
• M11: 5,314,614 km (0.059 R)
• M12: 5,631,013 km (0.117 R)
• M13: 6,301,661 km (0.1 R)
• M14: 7,405,095 km (0.106 R)
• M15: 7,666,891 km (0.108 R)
• M16: 7,889,642 km (0.09 R)
• M17: 8,208,734 km (0.068 R)
• M18: 8,441,957 km (0.076 R)
• M19: 10,688,768 km (0.066 R)
• M20: 10,855,121 km (0.11 R)
• M21: 11,654,273 km (0.105 R)
• M22: 12,491,871 km (0.025 R)
• M23: 14,286,447 km (0.091 R)
• M24: 16,465,789 km (0.075 R)
• M25: 17,289,624 km (0.1 R)
• M26: 18,857,111 km (0.097 R)
• M27: 20,262,134 km (0.108 R)
• M28: 20,688,189 km (0.114 R)
• M29: 21,558,400 km (0.12 R)
• M30: 22,543,502 km (0.052 R)
• M31: 26,682,875 km (0.115 R)
• M32: 29,091,999 km (0.097 R)
• M33: 31,075,666 km (0.096 R)
• M34: 31,414,805 km (0.109 R)
• M35: 32,215,752 km (0.111 R)
• M36: 34,821,597 km (0.069 R)
• M37: 38,726,850 km (0.055 R)
• M38: 39,647,475 km (0.107 R)
• M39: 45,479,099 km (0.086 R)
• M40: 51,698,780 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.7

Radius: 6.9

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.59 AU - 7.93 AU

Year: 14921 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,297,902 km

• M1: 85,869 km (0.063 R)
• M2: 1,065,137 km (0.053 R)
• M3: 1,418,337 km (0.071 R)
• M4: 1,864,588 km (0.075 R)
• M5: 2,262,518 km (0.114 R)
• M6: 2,629,183 km (0.043 R)
• M7: 3,011,106 km (0.112 R)
• M8: 3,378,369 km (0.055 R)
• M9: 5,360,690 km (0.109 R)
• M10: 6,881,502 km (0.093 R)
• M11: 7,875,430 km (0.069 R)
• M12: 10,145,279 km (0.11 R)
• M13: 12,445,346 km (0.097 R)
• M14: 13,455,431 km (0.118 R)
• M15: 14,113,961 km (0.078 R)
• M16: 15,999,043 km (0.091 R)
• M17: 16,291,956 km (0.103 R)
• M18: 18,443,323 km (0.087 R)
• M19: 20,346,657 km (0.087 R)
• M20: 21,835,006 km (0.107 R)
• M21: 23,866,844 km (0.112 R)
• M22: 24,249,516 km (0.116 R)
• M23: 25,520,948 km (0.1 R)
• M24: 27,250,000 km (0.104 R)
• M25: 27,878,461 km (0.052 R)
• M26: 29,601,529 km (0.119 R)
• M27: 31,508,752 km (0.079 R)
• M28: 31,853,725 km (0.107 R)
• M29: 35,940,290 km (0.116 R)
• M30: 38,369,610 km (0.066 R)
• M31: 43,552,428 km (0.094 R)
• M32: 46,310,714 km (0.048 R)
• M33: 47,506,150 km (0.111 R)
• M34: 50,114,389 km (0.099 R)
• M35: 52,978,590 km (0.055 R)
• M36: 53,793,150 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.7

Radius: 5

Gravity: 37.19 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.67 AU - 8.85 AU

Year: 14921 Days

Day: 15.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,297,902 km

• M1: 62,382 km (0.098 R)
• M2: 256,261 km (0.037 R)
• M3: 882,777 km (0.113 R)
• M4: 1,549,684 km (0.081 R)
• M5: 2,352,277 km (0.081 R)
• M6: 3,713,318 km (0.072 R)
• M7: 4,075,196 km (0.088 R)
• M8: 5,339,746 km (0.094 R)
• M9: 6,204,572 km (0.115 R)
• M10: 7,113,678 km (0.061 R)
• M11: 8,561,785 km (0.058 R)
• M12: 9,031,971 km (0.114 R)
• M13: 9,519,212 km (0.046 R)
• M14: 10,486,960 km (0.083 R)
• M15: 11,085,950 km (0.099 R)
• M16: 11,581,269 km (0.049 R)
• M17: 12,417,521 km (0.082 R)
• M18: 12,749,628 km (0.094 R)
• M19: 16,245,730 km (0.096 R)
• M20: 16,965,446 km (0.094 R)
• M21: 29,037,994 km (0.081 R)
• M22: 33,298,691 km (0.102 R)
• M23: 35,911,118 km (0.106 R)
• M24: 37,267,223 km (0.099 R)
• M25: 48,053,230 km (0.117 R)
• M26: 50,872,252 km (0.105 R)
• M27: 63,251,775 km (0.092 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: 157 - 11,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit