🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.7

Radius: 14.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.7 AU - 1.14 AU

Year: 570 Days

Day: 11.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,161,496 km

• M1: 185,352 km (0.066 R)
• M2: 1,038,508 km (0.101 R)
• M3: 1,637,498 km (0.113 R)
• M4: 2,297,075 km (0.104 R)
• M5: 3,203,938 km (0.074 R)
• M6: 3,949,982 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355

Radius: 12.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.77 AU - 1.21 AU

Year: 636 Days

Day: 5.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 142.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,161,496 km

• M1: 151,692 km (0.097 R)
• M2: 604,525 km (0.079 R)
• M3: 993,031 km (0.058 R)
• M4: 2,058,018 km (0.076 R)
• M5: 2,675,708 km (0.087 R)
• M6: 3,238,046 km (0.083 R)
• M7: 3,983,791 km (0.11 R)
• M8: 4,825,728 km (0.086 R)
• M9: 5,782,855 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.9

Radius: 11.9

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.9 AU - 1.12 AU

Year: 655 Days

Day: 10.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,161,496 km

• M1: 147,952 km (0.097 R)
• M2: 532,120 km (0.112 R)
• M3: 926,160 km (0.086 R)
• M4: 1,392,756 km (0.075 R)
• M5: 1,778,719 km (0.071 R)
• M6: 2,152,414 km (0.097 R)
• M7: 2,621,703 km (0.067 R)
• M8: 3,003,476 km (0.105 R)
• M9: 4,921,321 km (0.119 R)
• M10: 5,798,862 km (0.077 R)
• M11: 6,197,391 km (0.099 R)
• M12: 6,902,446 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.4

Radius: 12.8

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.39 AU - 2.89 AU

Year: 2770 Days

Day: 10.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,161,496 km

• M1: 164,558 km (0.027 R)
• M2: 1,000,211 km (0.079 R)
• M3: 1,707,959 km (0.115 R)
• M4: 2,513,095 km (0.108 R)
• M5: 2,997,642 km (0.109 R)
• M6: 4,561,389 km (0.119 R)
• M7: 7,233,805 km (0.117 R)
• M8: 7,821,874 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.4

Radius: 14.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.88 AU - 4.54 AU

Year: 4614 Days

Day: 10.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,161,496 km

• M1: 184,005 km (0.076 R)
• M2: 647,759 km (0.078 R)
• M3: 1,184,217 km (0.094 R)
• M4: 1,765,105 km (0.112 R)
• M5: 2,709,517 km (0.086 R)
• M6: 3,817,438 km (0.041 R)
• M7: 4,309,615 km (0.096 R)
• M8: 4,956,477 km (0.055 R)
• M9: 5,868,575 km (0.066 R)
• M10: 7,177,855 km (0.089 R)
• M11: 7,808,710 km (0.102 R)
• M12: 8,443,753 km (0.109 R)
• M13: 10,711,058 km (0.06 R)
• M14: 12,235,759 km (0.118 R)
• M15: 14,038,563 km (0.099 R)
• M16: 15,712,713 km (0.11 R)
• M17: 16,214,764 km (0.074 R)
• M18: 18,275,624 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.9

Radius: 10.6

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.51 AU - 5.29 AU

Year: 7003 Days

Day: 13.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,161,496 km

• M1: 131,796 km (0.086 R)
• M2: 511,774 km (0.075 R)
• M3: 1,026,391 km (0.074 R)
• M4: 1,637,648 km (0.088 R)
• M5: 1,969,755 km (0.099 R)
• M6: 2,701,887 km (0.081 R)
• M7: 3,456,908 km (0.061 R)
• M8: 4,297,947 km (0.112 R)
• M9: 4,806,430 km (0.059 R)
• M10: 5,158,284 km (0.098 R)
• M11: 6,544,308 km (0.033 R)
• M12: 7,183,989 km (0.105 R)
• M13: 9,522,353 km (0.077 R)
• M14: 10,123,438 km (0.1 R)
• M15: 11,165,686 km (0.081 R)
• M16: 11,640,510 km (0.052 R)
• M17: 14,721,777 km (0.082 R)
• M18: 15,409,179 km (0.109 R)
• M19: 17,536,610 km (0.066 R)
• M20: 19,374,121 km (0.082 R)
• M21: 19,784,019 km (0.028 R)
• M22: 20,834,047 km (0.095 R)
• M23: 21,264,440 km (0.105 R)
• M24: 22,068,678 km (0.047 R)
• M25: 23,045,103 km (0.108 R)
• M26: 25,245,837 km (0.107 R)
• M27: 26,313,817 km (0.045 R)
• M28: 30,703,317 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.8

Radius: 3.3

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.98 AU - 8.04 AU

Year: 13288 Days

Day: 17.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 117.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,161,496 km

• M1: 43,084 km (0.11 R)
• M2: 200,312 km (0.11 R)
• M3: 313,707 km (0.096 R)
• M4: 438,023 km (0.057 R)
• M5: 937,979 km (0.074 R)
• M6: 1,115,551 km (0.086 R)
• M7: 1,246,150 km (0.067 R)
• M8: 2,707,871 km (0.071 R)
• M9: 3,369,991 km (0.109 R)
• M10: 3,667,691 km (0.103 R)
• M11: 5,332,416 km (0.093 R)
• M12: 6,193,202 km (0.103 R)
• M13: 6,923,838 km (0.053 R)
• M14: 7,632,783 km (0.04 R)
• M15: 8,595,594 km (0.11 R)
• M16: 9,818,108 km (0.119 R)
• M17: 11,201,589 km (0.095 R)
• M18: 12,601,526 km (0.089 R)
• M19: 13,203,957 km (0.102 R)
• M20: 16,249,022 km (0.084 R)
• M21: 17,426,506 km (0.097 R)
• M22: 18,729,953 km (0.083 R)
• M23: 20,096,978 km (0.082 R)
• M24: 21,683,463 km (0.109 R)
• M25: 23,189,316 km (0.089 R)
• M26: 25,274,710 km (0.107 R)
• M27: 26,055,162 km (0.077 R)
• M28: 26,318,753 km (0.115 R)
• M29: 27,391,221 km (0.055 R)
• M30: 33,399,071 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.6

Radius: 4.6

Gravity: 39.49 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.19 AU - 8.69 AU

Year: 14446 Days

Day: 16.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,161,496 km

• M1: 70,012 km (0.086 R)
• M2: 248,482 km (0.115 R)
• M3: 464,501 km (0.103 R)
• M4: 938,727 km (0.118 R)
• M5: 1,206,507 km (0.11 R)
• M6: 2,742,428 km (0.102 R)
• M7: 3,396,470 km (0.104 R)
• M8: 4,087,313 km (0.063 R)
• M9: 5,439,827 km (0.118 R)
• M10: 6,589,637 km (0.103 R)
• M11: 7,940,356 km (0.117 R)
• M12: 9,041,247 km (0.078 R)
• M13: 9,198,773 km (0.086 R)
• M14: 10,411,264 km (0.105 R)
• M15: 11,357,470 km (0.076 R)
• M16: 12,684,254 km (0.078 R)
• M17: 14,466,114 km (0.111 R)
• M18: 17,850,018 km (0.099 R)
• M19: 23,264,264 km (0.119 R)
• M20: 26,987,306 km (0.084 R)
• M21: 33,037,942 km (0.108 R)
• M22: 34,680,227 km (0.115 R)
• M23: 47,568,832 km (0.086 R)
• M24: 49,171,923 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.5

Radius: 6.5

Gravity: 22.09 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.15 AU - 8.93 AU

Year: 16114 Days

Day: 22.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,161,496 km

• M1: 89,908 km (0.068 R)
• M2: 458,667 km (0.116 R)
• M3: 934,239 km (0.108 R)
• M4: 1,438,683 km (0.112 R)
• M5: 1,878,800 km (0.088 R)
• M6: 3,716,909 km (0.063 R)
• M7: 4,611,654 km (0.068 R)
• M8: 7,999,447 km (0.112 R)
• M9: 8,302,083 km (0.108 R)
• M10: 8,717,367 km (0.104 R)
• M11: 10,163,231 km (0.101 R)
• M12: 13,735,628 km (0.045 R)
• M13: 14,989,557 km (0.036 R)
• M14: 15,683,542 km (0.104 R)
• M15: 17,301,891 km (0.11 R)
• M16: 18,939,539 km (0.047 R)
• M17: 19,841,764 km (0.107 R)
• M18: 20,303,423 km (0.025 R)
• M19: 20,583,919 km (0.085 R)
• M20: 21,537,456 km (0.069 R)
• M21: 23,022,364 km (0.118 R)
• M22: 28,815,542 km (0.092 R)
• M23: 36,190,567 km (0.045 R)
• M24: 44,415,757 km (0.112 R)
• M25: 44,888,487 km (0.047 R)
• M26: 46,975,975 km (0.072 R)
• M27: 47,466,656 km (0.106 R)
• M28: 47,795,772 km (0.072 R)
• M29: 51,690,103 km (0.048 R)
• M30: 54,700,910 km (0.119 R)
• M31: 56,710,159 km (0.08 R)
• M32: 57,639,611 km (0.103 R)
• M33: 58,957,568 km (0.116 R)
• M34: 59,911,404 km (0.101 R)
• M35: 61,849,594 km (0.064 R)
• M36: 64,431,205 km (0.06 R)
• M37: 66,260,038 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.2

Radius: 5.1

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.74 AU - 11.52 AU

Year: 20818 Days

Day: 15.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,161,496 km

• M1: 93,648 km (0.094 R)
• M2: 402,418 km (0.119 R)
• M3: 701,315 km (0.111 R)
• M4: 1,188,256 km (0.037 R)
• M5: 1,446,013 km (0.11 R)
• M6: 2,265,361 km (0.117 R)
• M7: 3,280,681 km (0.097 R)
• M8: 4,827,972 km (0.079 R)
• M9: 5,377,295 km (0.118 R)
• M10: 8,373,142 km (0.078 R)
• M11: 9,215,079 km (0.083 R)
• M12: 11,181,693 km (0.059 R)
• M13: 13,609,965 km (0.117 R)
• M14: 14,911,168 km (0.051 R)
• M15: 17,837,901 km (0.096 R)
• M16: 21,938,378 km (0.036 R)
• M17: 23,625,094 km (0.096 R)
• M18: 24,796,445 km (0.116 R)
• M19: 26,211,342 km (0.099 R)
• M20: 49,463,339 km (0.1 R)
• M21: 54,502,693 km (0.075 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: 534 - 11,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit