🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.3

Radius: 11.9

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.75 AU - 0.79 AU

Year: 436 Days

Day: 9.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,947,675 km

• M1: 147,952 km (0.101 R)
• M2: 542,292 km (0.039 R)
• M3: 972,685 km (0.107 R)
• M4: 1,726,659 km (0.087 R)
• M5: 2,723,429 km (0.076 R)
• M6: 3,242,983 km (0.074 R)
• M7: 3,646,747 km (0.114 R)
• M8: 4,497,361 km (0.069 R)
• M9: 5,145,718 km (0.105 R)
• M10: 5,837,758 km (0.037 R)
• M11: 6,215,792 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.2

Radius: 8.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.84 AU - 1.04 AU

Year: 588 Days

Day: 6.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,947,675 km

• M1: 106,962 km (0.083 R)
• M2: 406,457 km (0.088 R)
• M3: 786,436 km (0.049 R)
• M4: 1,529,937 km (0.117 R)
• M5: 2,369,481 km (0.117 R)
• M6: 3,307,759 km (0.065 R)
• M7: 3,769,866 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.6

Radius: 14.1

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.04 AU - 3.06 AU

Year: 2629 Days

Day: 9.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,947,675 km

• M1: 175,478 km (0.106 R)
• M2: 742,005 km (0.115 R)
• M3: 1,329,626 km (0.092 R)
• M4: 2,261,621 km (0.12 R)
• M5: 2,775,639 km (0.034 R)
• M6: 3,463,939 km (0.104 R)
• M7: 4,320,237 km (0.066 R)
• M8: 5,248,791 km (0.084 R)
• M9: 7,894,130 km (0.078 R)
• M10: 9,154,941 km (0.116 R)
• M11: 10,304,900 km (0.041 R)
• M12: 11,328,897 km (0.111 R)
• M13: 12,073,745 km (0.106 R)
• M14: 12,772,068 km (0.096 R)
• M15: 13,661,876 km (0.102 R)
• M16: 14,334,618 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.6

Radius: 10.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.36 AU - 2.76 AU

Year: 2645 Days

Day: 12.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,947,675 km

• M1: 129,552 km (0.108 R)
• M2: 626,067 km (0.084 R)
• M3: 968,048 km (0.037 R)
• M4: 1,868,777 km (0.115 R)
• M5: 2,316,373 km (0.082 R)
• M6: 2,770,553 km (0.053 R)
• M7: 3,156,515 km (0.039 R)
• M8: 4,221,951 km (0.049 R)
• M9: 5,211,242 km (0.104 R)
• M10: 6,281,016 km (0.07 R)
• M11: 9,426,012 km (0.102 R)
• M12: 10,367,432 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.7

Radius: 9.2

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.07 AU - 6.63 AU

Year: 9136 Days

Day: 14.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,947,675 km

• M1: 114,891 km (0.054 R)
• M2: 420,819 km (0.099 R)
• M3: 763,398 km (0.102 R)
• M4: 1,112,111 km (0.094 R)
• M5: 1,427,612 km (0.086 R)
• M6: 1,760,019 km (0.09 R)
• M7: 2,047,097 km (0.066 R)
• M8: 2,546,754 km (0.101 R)
• M9: 3,062,268 km (0.113 R)
• M10: 3,621,914 km (0.113 R)
• M11: 4,222,101 km (0.111 R)
• M12: 5,063,738 km (0.076 R)
• M13: 5,524,500 km (0.117 R)
• M14: 6,424,481 km (0.118 R)
• M15: 7,419,157 km (0.085 R)
• M16: 8,813,559 km (0.083 R)
• M17: 9,851,020 km (0.065 R)
• M18: 10,619,354 km (0.087 R)
• M19: 11,793,249 km (0.106 R)
• M20: 13,164,762 km (0.069 R)
• M21: 16,617,930 km (0.097 R)
• M22: 18,480,573 km (0.107 R)
• M23: 19,872,132 km (0.053 R)
• M24: 21,569,171 km (0.117 R)
• M25: 29,133,587 km (0.104 R)
• M26: 33,081,026 km (0.057 R)
• M27: 34,147,958 km (0.062 R)
• M28: 36,801,525 km (0.089 R)
• M29: 37,946,846 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.2

Radius: 3

Gravity: 78.36 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.37 AU - 7.21 AU

Year: 10186 Days

Day: 17.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,947,675 km

• M1: 37,250 km (0.094 R)
• M2: 132,993 km (0.036 R)
• M3: 337,343 km (0.055 R)
• M4: 484,248 km (0.108 R)
• M5: 1,294,171 km (0.096 R)
• M6: 1,412,802 km (0.029 R)
• M7: 1,702,573 km (0.096 R)
• M8: 2,340,608 km (0.109 R)
• M9: 2,517,283 km (0.027 R)
• M10: 3,265,722 km (0.102 R)
• M11: 3,984,539 km (0.093 R)
• M12: 5,451,795 km (0.09 R)
• M13: 6,842,307 km (0.031 R)
• M14: 7,121,906 km (0.068 R)
• M15: 8,050,460 km (0.074 R)
• M16: 9,990,595 km (0.027 R)
• M17: 10,507,156 km (0.096 R)
• M18: 12,279,442 km (0.057 R)
• M19: 13,236,120 km (0.033 R)
• M20: 17,412,743 km (0.114 R)
• M21: 18,008,442 km (0.061 R)
• M22: 31,069,832 km (0.117 R)
• M23: 35,491,347 km (0.064 R)
• M24: 38,912,351 km (0.047 R)
• M25: 40,572,738 km (0.081 R)
• M26: 42,546,532 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.6

Radius: 3.6

Gravity: 61.47 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.11 AU - 8.29 AU

Year: 13796 Days

Day: 20 Hours

Environment

Temp: -215 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 33,947,675 km

• M1: 76,744 km (0.054 R)
• M2: 551,717 km (0.103 R)
• M3: 774,917 km (0.111 R)
• M4: 1,008,439 km (0.101 R)
• M5: 1,342,940 km (0.093 R)
• M6: 1,647,372 km (0.08 R)
• M7: 1,868,627 km (0.082 R)
• M8: 2,308,445 km (0.03 R)
• M9: 2,608,089 km (0.103 R)
• M10: 2,767,261 km (0.09 R)
• M11: 3,006,020 km (0.083 R)
• M12: 3,833,745 km (0.102 R)
• M13: 5,582,693 km (0.043 R)
• M14: 6,862,204 km (0.058 R)
• M15: 7,433,668 km (0.085 R)
• M16: 8,974,675 km (0.092 R)
• M17: 9,603,585 km (0.114 R)
• M18: 11,665,941 km (0.066 R)
• M19: 12,799,893 km (0.045 R)
• M20: 13,393,647 km (0.115 R)
• M21: 14,493,939 km (0.088 R)
• M22: 15,066,151 km (0.11 R)
• M23: 17,425,908 km (0.075 R)
• M24: 17,747,244 km (0.039 R)
• M25: 18,484,762 km (0.097 R)
• M26: 20,373,285 km (0.102 R)
• M27: 21,090,607 km (0.079 R)
• M28: 21,272,668 km (0.112 R)
• M29: 21,639,631 km (0.088 R)
• M30: 22,957,588 km (0.111 R)
• M31: 34,086,024 km (0.081 R)
• M32: 37,707,340 km (0.071 R)
• M33: 37,975,419 km (0.074 R)
• M34: 41,434,122 km (0.075 R)
• M35: 42,438,971 km (0.079 R)
• M36: 43,459,827 km (0.092 R)
• M37: 44,946,531 km (0.084 R)
• M38: 48,178,293 km (0.075 R)
• M39: 49,289,058 km (0.049 R)
• M40: 52,890,926 km (0.114 R)
• M41: 53,395,220 km (0.079 R)
• M42: 56,139,443 km (0.088 R)
• M43: 61,165,333 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.5

Radius: 3.8

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.13 AU - 9.15 AU

Year: 16398 Days

Day: 18.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,947,675 km

• M1: 47,423 km (0.099 R)
• M2: 265,387 km (0.077 R)
• M3: 403,316 km (0.107 R)
• M4: 609,312 km (0.114 R)
• M5: 767,736 km (0.091 R)
• M6: 926,460 km (0.104 R)
• M7: 2,249,653 km (0.119 R)
• M8: 7,406,441 km (0.07 R)
• M9: 7,591,643 km (0.046 R)
• M10: 9,486,599 km (0.091 R)
• M11: 9,661,180 km (0.107 R)
• M12: 10,061,654 km (0.097 R)
• M13: 10,659,746 km (0.066 R)
• M14: 10,800,966 km (0.079 R)
• M15: 14,521,316 km (0.114 R)
• M16: 26,531,332 km (0.095 R)
• M17: 26,965,016 km (0.06 R)
• M18: 27,935,607 km (0.046 R)
• M19: 31,565,001 km (0.067 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 17,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit