🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.6

Radius: 12

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.46 AU - 0.56 AU

Year: 243 Days

Day: 14.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 155.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,488,037 km

• M1: 149,299 km (0.075 R)
• M2: 561,441 km (0.115 R)
• M3: 996,621 km (0.119 R)
• M4: 1,464,862 km (0.102 R)
• M5: 1,912,758 km (0.048 R)
• M6: 2,738,838 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.8

Radius: 8.8

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.59 AU - 0.79 AU

Year: 382 Days

Day: 13.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 159.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,488,037 km

• M1: 109,506 km (0.096 R)
• M2: 412,441 km (0.07 R)
• M3: 777,610 km (0.109 R)
• M4: 1,483,861 km (0.095 R)
• M5: 2,008,052 km (0.073 R)
• M6: 2,317,869 km (0.081 R)
• M7: 2,617,065 km (0.093 R)
• M8: 2,969,817 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532

Radius: 12.7

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.75 AU - 0.93 AU

Year: 513 Days

Day: 6.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,488,037 km

• M1: 157,975 km (0.108 R)
• M2: 572,511 km (0.051 R)
• M3: 1,040,453 km (0.111 R)
• M4: 1,557,164 km (0.12 R)
• M5: 2,055,026 km (0.059 R)
• M6: 2,473,601 km (0.1 R)
• M7: 3,261,982 km (0.068 R)
• M8: 3,696,713 km (0.094 R)
• M9: 4,253,217 km (0.115 R)
• M10: 4,988,042 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.1

Radius: 13.1

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.27 AU - 1.93 AU

Year: 1350 Days

Day: 6.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,488,037 km

• M1: 162,912 km (0.075 R)
• M2: 1,133,653 km (0.077 R)
• M3: 1,545,047 km (0.094 R)
• M4: 2,078,214 km (0.115 R)
• M5: 2,686,329 km (0.095 R)
• M6: 4,662,666 km (0.1 R)
• M7: 6,262,616 km (0.111 R)
• M8: 7,492,759 km (0.099 R)
• M9: 8,432,682 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.1

Radius: 11.5

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.44 AU - 2.16 AU

Year: 1610 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,488,037 km

• M1: 143,764 km (0.072 R)
• M2: 619,784 km (0.111 R)
• M3: 1,035,367 km (0.062 R)
• M4: 1,485,507 km (0.101 R)
• M5: 3,285,618 km (0.113 R)
• M6: 3,673,825 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.1

Radius: 12.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.58 AU - 3.14 AU

Year: 3225 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,488,037 km

• M1: 155,731 km (0.114 R)
• M2: 568,921 km (0.065 R)
• M3: 1,081,293 km (0.102 R)
• M4: 1,592,619 km (0.095 R)
• M5: 2,111,574 km (0.12 R)
• M6: 2,647,134 km (0.109 R)
• M7: 4,232,423 km (0.065 R)
• M8: 5,663,775 km (0.09 R)
• M9: 6,109,577 km (0.06 R)
• M10: 6,503,019 km (0.101 R)
• M11: 7,152,125 km (0.12 R)
• M12: 9,393,549 km (0.105 R)
• M13: 9,852,665 km (0.11 R)
• M14: 10,815,926 km (0.1 R)
• M15: 12,030,661 km (0.11 R)
• M16: 12,690,986 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.5

Radius: 12.1

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.98 AU - 6.63 AU

Year: 8137 Days

Day: 10.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,488,037 km

• M1: 156,928 km (0.096 R)
• M2: 817,702 km (0.047 R)
• M3: 1,962,425 km (0.039 R)
• M4: 4,298,096 km (0.08 R)
• M5: 5,048,779 km (0.052 R)
• M6: 6,662,790 km (0.106 R)
• M7: 7,750,366 km (0.057 R)
• M8: 8,208,734 km (0.088 R)
• M9: 8,641,072 km (0.048 R)
• M10: 9,504,701 km (0.093 R)
• M11: 11,456,803 km (0.057 R)
• M12: 16,274,154 km (0.111 R)
• M13: 17,307,426 km (0.087 R)
• M14: 17,876,048 km (0.092 R)
• M15: 18,457,236 km (0.058 R)
• M16: 22,630,867 km (0.082 R)
• M17: 23,656,360 km (0.113 R)
• M18: 24,623,510 km (0.087 R)
• M19: 25,161,913 km (0.038 R)
• M20: 26,542,701 km (0.12 R)
• M21: 28,265,470 km (0.104 R)
• M22: 31,721,032 km (0.083 R)
• M23: 33,222,546 km (0.118 R)
• M24: 34,101,433 km (0.07 R)
• M25: 36,831,445 km (0.056 R)
• M26: 40,943,740 km (0.09 R)
• M27: 42,337,245 km (0.098 R)
• M28: 43,110,516 km (0.102 R)
• M29: 43,762,015 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.8

Radius: 6.2

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.43 AU - 8.33 AU

Year: 14751 Days

Day: 22.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 35,488,037 km

• M1: 77,043 km (0.11 R)
• M2: 291,716 km (0.037 R)
• M3: 493,224 km (0.064 R)
• M4: 979,567 km (0.119 R)
• M5: 1,221,317 km (0.11 R)
• M6: 2,574,280 km (0.072 R)
• M7: 3,158,759 km (0.112 R)
• M8: 3,431,326 km (0.066 R)
• M9: 4,109,304 km (0.105 R)
• M10: 4,873,151 km (0.09 R)
• M11: 6,363,295 km (0.08 R)
• M12: 7,128,039 km (0.119 R)
• M13: 9,737,774 km (0.065 R)
• M14: 10,477,835 km (0.077 R)
• M15: 10,751,150 km (0.111 R)
• M16: 13,111,057 km (0.09 R)
• M17: 14,277,471 km (0.091 R)
• M18: 15,023,516 km (0.102 R)
• M19: 17,039,497 km (0.066 R)
• M20: 17,265,689 km (0.101 R)
• M21: 18,985,915 km (0.119 R)
• M22: 20,391,087 km (0.066 R)
• M23: 21,511,426 km (0.058 R)
• M24: 22,854,516 km (0.11 R)
• M25: 25,313,157 km (0.09 R)
• M26: 26,910,712 km (0.084 R)
• M27: 29,648,353 km (0.085 R)
• M28: 33,500,947 km (0.091 R)
• M29: 36,288,255 km (0.117 R)
• M30: 39,489,051 km (0.096 R)
• M31: 41,497,253 km (0.036 R)
• M32: 43,713,246 km (0.116 R)
• M33: 46,445,651 km (0.09 R)
• M34: 49,442,695 km (0.094 R)
• M35: 52,566,298 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.9

Radius: 7.7

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.65 AU - 10.97 AU

Year: 18943 Days

Day: 17.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 35,488,037 km

• M1: 96,191 km (0.066 R)
• M2: 400,324 km (0.075 R)
• M3: 764,894 km (0.082 R)
• M4: 1,530,835 km (0.076 R)
• M5: 1,924,876 km (0.117 R)
• M6: 2,405,683 km (0.075 R)
• M7: 2,708,469 km (0.119 R)
• M8: 3,061,072 km (0.084 R)
• M9: 3,524,376 km (0.11 R)
• M10: 4,888,410 km (0.114 R)
• M11: 6,824,056 km (0.044 R)
• M12: 7,168,281 km (0.05 R)
• M13: 7,706,385 km (0.074 R)
• M14: 8,612,948 km (0.087 R)
• M15: 9,273,123 km (0.064 R)
• M16: 9,535,817 km (0.099 R)
• M17: 10,076,165 km (0.106 R)
• M18: 12,066,863 km (0.112 R)
• M19: 12,443,551 km (0.12 R)
• M20: 17,596,749 km (0.114 R)
• M21: 25,319,290 km (0.116 R)
• M22: 26,882,289 km (0.087 R)
• M23: 27,633,270 km (0.119 R)
• M24: 28,398,164 km (0.076 R)
• M25: 31,717,890 km (0.092 R)
• M26: 35,799,967 km (0.078 R)
• M27: 36,058,173 km (0.114 R)
• M28: 37,632,840 km (0.054 R)
• M29: 39,665,127 km (0.117 R)
• M30: 42,487,142 km (0.095 R)
• M31: 43,505,754 km (0.117 R)
• M32: 44,095,020 km (0.104 R)
• M33: 45,894,682 km (0.073 R)
• M34: 47,742,814 km (0.07 R)
• M35: 59,522,300 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70

Radius: 4.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.65 AU - 10.61 AU

Year: 19928 Days

Day: 20.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 136.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,488,037 km

• M1: 62,083 km (0.109 R)
• M2: 406,906 km (0.046 R)
• M3: 923,767 km (0.1 R)
• M4: 1,209,798 km (0.054 R)
• M5: 2,537,329 km (0.119 R)
• M6: 5,127,916 km (0.103 R)
• M7: 5,986,308 km (0.087 R)
• M8: 7,447,431 km (0.098 R)
• M9: 7,635,924 km (0.105 R)
• M10: 8,709,139 km (0.095 R)
• M11: 12,686,348 km (0.073 R)
• M12: 14,474,342 km (0.093 R)
• M13: 14,709,061 km (0.106 R)
• M14: 15,735,003 km (0.086 R)
• M15: 16,108,250 km (0.066 R)
• M16: 16,807,770 km (0.118 R)
• M17: 18,818,066 km (0.108 R)
• M18: 22,281,107 km (0.041 R)
• M19: 28,464,884 km (0.096 R)
• M20: 30,435,088 km (0.085 R)
• M21: 31,797,925 km (0.06 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 17,210 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit