🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.8

Radius: 9.4

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.53 AU - 0.59 AU

Year: 279 Days

Day: 15 Hours

Environment

Temp: -146 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,584,193 km

• M1: 116,986 km (0.092 R)
• M2: 501,751 km (0.079 R)
• M3: 848,519 km (0.083 R)
• M4: 1,212,640 km (0.082 R)
• M5: 1,510,639 km (0.115 R)
• M6: 1,865,186 km (0.115 R)
• M7: 2,234,843 km (0.096 R)
• M8: 2,617,364 km (0.095 R)
• M9: 3,174,616 km (0.05 R)
• M10: 3,581,373 km (0.12 R)
• M11: 4,095,691 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.8

Radius: 10.6

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.7 AU - 0.84 AU

Year: 451 Days

Day: 12.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 56,584,193 km

• M1: 131,945 km (0.074 R)
• M2: 579,692 km (0.094 R)
• M3: 1,331,720 km (0.109 R)
• M4: 1,887,177 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.8

Radius: 14.7

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.23 AU - 1.57 AU

Year: 1105 Days

Day: 10 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,584,193 km

• M1: 182,809 km (0.098 R)
• M2: 808,876 km (0.056 R)
• M3: 1,315,863 km (0.081 R)
• M4: 1,940,135 km (0.104 R)
• M5: 2,404,487 km (0.1 R)
• M6: 3,882,663 km (0.092 R)
• M7: 4,973,830 km (0.076 R)
• M8: 5,581,347 km (0.112 R)
• M9: 6,102,696 km (0.049 R)
• M10: 7,269,409 km (0.114 R)
• M11: 7,786,420 km (0.11 R)
• M12: 8,467,389 km (0.089 R)
• M13: 9,855,358 km (0.064 R)
• M14: 12,018,543 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.8

Radius: 10.3

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.74 AU - 4.12 AU

Year: 4236 Days

Day: 5.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,584,193 km

• M1: 128,205 km (0.084 R)
• M2: 647,160 km (0.113 R)
• M3: 1,188,555 km (0.051 R)
• M4: 1,582,745 km (0.111 R)
• M5: 2,700,690 km (0.094 R)
• M6: 3,139,162 km (0.082 R)
• M7: 3,498,645 km (0.12 R)
• M8: 4,467,591 km (0.107 R)
• M9: 5,730,197 km (0.084 R)
• M10: 7,245,773 km (0.094 R)
• M11: 8,513,764 km (0.1 R)
• M12: 9,887,821 km (0.102 R)
• M13: 13,645,121 km (0.117 R)
• M14: 14,236,631 km (0.101 R)
• M15: 15,667,086 km (0.115 R)
• M16: 17,827,728 km (0.097 R)
• M17: 18,206,210 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.5

Radius: 8.9

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.1 AU - 3.86 AU

Year: 4329 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,584,193 km

• M1: 110,852 km (0.1 R)
• M2: 418,276 km (0.119 R)
• M3: 733,927 km (0.085 R)
• M4: 1,312,721 km (0.098 R)
• M5: 2,141,494 km (0.043 R)
• M6: 3,245,077 km (0.107 R)
• M7: 3,644,803 km (0.076 R)
• M8: 3,965,989 km (0.069 R)
• M9: 5,202,116 km (0.063 R)
• M10: 5,808,137 km (0.092 R)
• M11: 6,307,944 km (0.047 R)
• M12: 6,868,188 km (0.102 R)
• M13: 8,939,221 km (0.115 R)
• M14: 9,288,233 km (0.093 R)
• M15: 12,132,238 km (0.116 R)
• M16: 13,396,639 km (0.082 R)
• M17: 13,905,571 km (0.068 R)
• M18: 16,588,160 km (0.118 R)
• M19: 17,413,940 km (0.082 R)
• M20: 20,924,553 km (0.032 R)
• M21: 21,334,003 km (0.095 R)
• M22: 24,126,995 km (0.07 R)
• M23: 24,652,832 km (0.11 R)
• M24: 26,513,979 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.7

Radius: 4.9

Gravity: 15.73 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.52 AU - 8.7 AU

Year: 12643 Days

Day: 19.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,584,193 km

• M1: 60,886 km (0.087 R)
• M2: 263,442 km (0.111 R)
• M3: 498,161 km (0.071 R)
• M4: 679,623 km (0.099 R)
• M5: 1,134,550 km (0.065 R)
• M6: 1,350,270 km (0.086 R)
• M7: 1,593,217 km (0.052 R)
• M8: 2,062,655 km (0.062 R)
• M9: 2,659,701 km (0.057 R)
• M10: 3,270,509 km (0.111 R)
• M11: 4,187,544 km (0.077 R)
• M12: 4,384,115 km (0.043 R)
• M13: 5,394,649 km (0.114 R)
• M14: 8,077,687 km (0.1 R)
• M15: 9,062,041 km (0.073 R)
• M16: 12,035,747 km (0.037 R)
• M17: 12,840,135 km (0.077 R)
• M18: 14,238,576 km (0.077 R)
• M19: 14,683,629 km (0.106 R)
• M20: 15,072,434 km (0.081 R)
• M21: 20,367,152 km (0.078 R)
• M22: 21,095,245 km (0.102 R)
• M23: 21,507,087 km (0.092 R)
• M24: 24,181,449 km (0.096 R)
• M25: 24,451,473 km (0.113 R)
• M26: 25,089,208 km (0.116 R)
• M27: 27,263,015 km (0.113 R)
• M28: 32,415,465 km (0.031 R)
• M29: 37,937,721 km (0.065 R)
• M30: 39,162,179 km (0.068 R)
• M31: 41,689,486 km (0.11 R)
• M32: 41,947,991 km (0.081 R)
• M33: 42,337,843 km (0.11 R)
• M34: 42,861,436 km (0.083 R)
• M35: 43,788,045 km (0.077 R)
• M36: 44,998,890 km (0.115 R)
• M37: 45,271,008 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.4

Radius: 5.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.25 AU - 9.35 AU

Year: 15946 Days

Day: 19.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,584,193 km

• M1: 74,799 km (0.058 R)
• M2: 314,904 km (0.097 R)
• M3: 723,904 km (0.12 R)
• M4: 942,915 km (0.071 R)
• M5: 1,162,675 km (0.027 R)
• M6: 1,367,923 km (0.049 R)
• M7: 1,637,947 km (0.078 R)
• M8: 1,943,276 km (0.077 R)
• M9: 2,373,370 km (0.062 R)
• M10: 3,070,795 km (0.106 R)
• M11: 3,286,964 km (0.068 R)
• M12: 3,822,824 km (0.072 R)
• M13: 4,281,491 km (0.104 R)
• M14: 5,277,364 km (0.107 R)
• M15: 5,716,135 km (0.118 R)
• M16: 6,809,845 km (0.035 R)
• M17: 8,077,088 km (0.074 R)
• M18: 9,403,722 km (0.109 R)
• M19: 9,861,043 km (0.119 R)
• M20: 10,237,431 km (0.098 R)
• M21: 11,734,906 km (0.101 R)
• M22: 12,866,165 km (0.066 R)
• M23: 13,089,514 km (0.07 R)
• M24: 15,721,539 km (0.113 R)
• M25: 16,041,230 km (0.115 R)
• M26: 17,500,109 km (0.052 R)
• M27: 17,774,471 km (0.114 R)
• M28: 19,776,689 km (0.047 R)
• M29: 21,062,931 km (0.064 R)
• M30: 21,765,892 km (0.072 R)
• M31: 22,972,399 km (0.068 R)
• M32: 29,099,329 km (0.056 R)
• M33: 33,211,475 km (0.115 R)
• M34: 38,730,141 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.4

Radius: 7.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.15 AU - 9.63 AU

Year: 17676 Days

Day: 22.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,584,193 km

• M1: 93,499 km (0.056 R)
• M2: 454,778 km (0.092 R)
• M3: 745,147 km (0.09 R)
• M4: 1,363,585 km (0.117 R)
• M5: 1,668,764 km (0.115 R)
• M6: 2,334,475 km (0.089 R)
• M7: 3,796,944 km (0.045 R)
• M8: 4,254,414 km (0.074 R)
• M9: 4,694,381 km (0.079 R)
• M10: 5,164,268 km (0.113 R)
• M11: 6,627,485 km (0.098 R)
• M12: 6,901,548 km (0.089 R)
• M13: 8,467,239 km (0.109 R)
• M14: 11,047,055 km (0.112 R)
• M15: 12,437,567 km (0.113 R)
• M16: 13,719,022 km (0.096 R)
• M17: 15,322,861 km (0.096 R)
• M18: 17,956,980 km (0.094 R)
• M19: 25,329,911 km (0.054 R)
• M20: 27,030,690 km (0.086 R)
• M21: 29,630,102 km (0.081 R)
• M22: 30,563,743 km (0.059 R)
• M23: 31,228,855 km (0.077 R)
• M24: 31,709,812 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.2

Radius: 7.9

Gravity: 15.21 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.77 AU - 9.05 AU

Year: 17736 Days

Day: 15.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,584,193 km

• M1: 99,931 km (0.052 R)
• M2: 897,288 km (0.09 R)
• M3: 1,334,862 km (0.111 R)
• M4: 1,724,564 km (0.114 R)
• M5: 2,025,256 km (0.039 R)
• M6: 2,338,813 km (0.095 R)
• M7: 2,959,943 km (0.112 R)
• M8: 4,991,333 km (0.099 R)
• M9: 7,859,872 km (0.115 R)
• M10: 8,426,250 km (0.074 R)
• M11: 9,019,704 km (0.108 R)
• M12: 9,298,405 km (0.104 R)
• M13: 10,594,072 km (0.108 R)
• M14: 11,740,441 km (0.112 R)
• M15: 12,140,316 km (0.094 R)
• M16: 19,559,024 km (0.072 R)
• M17: 20,216,058 km (0.058 R)
• M18: 20,597,981 km (0.107 R)
• M19: 22,888,474 km (0.115 R)
• M20: 24,041,724 km (0.08 R)
• M21: 25,343,525 km (0.113 R)
• M22: 27,267,204 km (0.038 R)
• M23: 29,530,171 km (0.105 R)
• M24: 32,044,462 km (0.096 R)
• M25: 33,486,436 km (0.054 R)
• M26: 35,660,243 km (0.082 R)
• M27: 46,117,583 km (0.056 R)
• M28: 46,447,895 km (0.075 R)
• M29: 47,113,157 km (0.111 R)
• M30: 49,491,763 km (0.027 R)
• M31: 53,571,446 km (0.071 R)
• M32: 63,202,258 km (0.11 R)
• M33: 65,673,914 km (0.059 R)
• M34: 67,569,469 km (0.034 R)
• M35: 68,423,523 km (0.101 R)
• M36: 74,604,608 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.2

Radius: 4

Gravity: 15.01 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.97 AU - 10.39 AU

Year: 21660 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,584,193 km

• M1: 52,359 km (0.067 R)
• M2: 222,153 km (0.085 R)
• M3: 384,915 km (0.1 R)
• M4: 1,054,964 km (0.108 R)
• M5: 1,200,074 km (0.069 R)
• M6: 1,750,295 km (0.026 R)
• M7: 2,600,460 km (0.06 R)
• M8: 3,151,878 km (0.077 R)
• M9: 4,119,776 km (0.102 R)
• M10: 5,133,002 km (0.111 R)
• M11: 5,305,189 km (0.047 R)
• M12: 5,807,689 km (0.119 R)
• M13: 6,185,573 km (0.09 R)
• M14: 6,782,767 km (0.057 R)
• M15: 7,074,184 km (0.092 R)
• M16: 8,277,250 km (0.062 R)
• M17: 11,958,405 km (0.03 R)
• M18: 13,985,007 km (0.114 R)
• M19: 14,253,386 km (0.09 R)
• M20: 14,731,351 km (0.115 R)
• M21: 15,863,957 km (0.093 R)
• M22: 25,659,027 km (0.117 R)
• M23: 29,983,303 km (0.084 R)
• M24: 34,159,926 km (0.113 R)
• M25: 35,261,415 km (0.068 R)
• M26: 37,535,153 km (0.075 R)
• M27: 44,939,350 km (0.099 R)
• M28: 45,670,435 km (0.116 R)
• M29: 47,759,719 km (0.048 R)
• M30: 50,695,577 km (0.111 R)
• M31: 51,967,009 km (0.08 R)
• M32: 52,610,579 km (0.095 R)
• M33: 54,739,058 km (0.043 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 14,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit