🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.4

Radius: 11.5

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.43 AU - 0.63 AU

Year: 262 Days

Day: 9.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,915,620 km

• M1: 143,016 km (0.115 R)
• M2: 1,015,171 km (0.113 R)
• M3: 1,496,577 km (0.116 R)
• M4: 1,917,546 km (0.088 R)
• M5: 2,341,356 km (0.059 R)
• M6: 2,741,979 km (0.057 R)
• M7: 3,114,029 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.1

Radius: 14.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.58 AU - 0.92 AU

Year: 441 Days

Day: 10.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,915,620 km

• M1: 176,525 km (0.051 R)
• M2: 633,846 km (0.11 R)
• M3: 1,109,717 km (0.112 R)
• M4: 1,602,044 km (0.045 R)
• M5: 2,052,782 km (0.108 R)
• M6: 2,570,241 km (0.099 R)
• M7: 3,209,323 km (0.061 R)
• M8: 3,680,407 km (0.026 R)
• M9: 4,569,766 km (0.048 R)
• M10: 5,331,519 km (0.111 R)
• M11: 5,786,595 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.9

Radius: 14

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.71 AU - 0.81 AU

Year: 449 Days

Day: 11.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,915,620 km

• M1: 174,132 km (0.099 R)
• M2: 631,752 km (0.111 R)
• M3: 1,108,670 km (0.043 R)
• M4: 1,966,165 km (0.087 R)
• M5: 2,489,159 km (0.114 R)
• M6: 3,781,834 km (0.087 R)
• M7: 4,862,230 km (0.112 R)
• M8: 5,331,818 km (0.078 R)
• M9: 6,287,748 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.3

Radius: 14.1

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.65 AU - 2.35 AU

Year: 1918 Days

Day: 5.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,915,620 km

• M1: 175,628 km (0.057 R)
• M2: 860,487 km (0.059 R)
• M3: 1,434,045 km (0.088 R)
• M4: 2,262,069 km (0.1 R)
• M5: 2,786,111 km (0.114 R)
• M6: 3,374,629 km (0.117 R)
• M7: 3,878,923 km (0.08 R)
• M8: 4,932,541 km (0.094 R)
• M9: 5,538,562 km (0.097 R)
• M10: 6,398,151 km (0.03 R)
• M11: 7,574,140 km (0.079 R)
• M12: 8,137,675 km (0.03 R)
• M13: 9,019,256 km (0.057 R)
• M14: 9,859,397 km (0.087 R)
• M15: 12,450,582 km (0.072 R)
• M16: 13,153,094 km (0.118 R)
• M17: 14,145,376 km (0.071 R)
• M18: 14,956,346 km (0.083 R)
• M19: 16,085,661 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.4

Radius: 9.5

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.03 AU - 2.35 AU

Year: 2198 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,915,620 km

• M1: 118,182 km (0.086 R)
• M2: 445,802 km (0.102 R)
• M3: 779,854 km (0.051 R)
• M4: 1,078,900 km (0.103 R)
• M5: 2,074,773 km (0.107 R)
• M6: 2,540,621 km (0.111 R)
• M7: 3,106,699 km (0.059 R)
• M8: 4,228,683 km (0.113 R)
• M9: 4,720,561 km (0.114 R)
• M10: 5,482,463 km (0.075 R)
• M11: 6,017,724 km (0.109 R)
• M12: 7,192,666 km (0.076 R)
• M13: 7,774,601 km (0.116 R)
• M14: 8,545,928 km (0.082 R)
• M15: 9,098,991 km (0.114 R)
• M16: 10,097,258 km (0.044 R)
• M17: 11,947,484 km (0.083 R)
• M18: 12,515,059 km (0.104 R)
• M19: 13,271,426 km (0.118 R)
• M20: 13,704,511 km (0.082 R)
• M21: 14,191,752 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.4

Radius: 10.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.51 AU - 3.63 AU

Year: 4575 Days

Day: 6.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,915,620 km

• M1: 131,796 km (0.105 R)
• M2: 731,384 km (0.097 R)
• M3: 1,218,175 km (0.096 R)
• M4: 1,606,382 km (0.115 R)
• M5: 2,673,314 km (0.07 R)
• M6: 4,390,548 km (0.069 R)
• M7: 4,953,933 km (0.081 R)
• M8: 5,874,409 km (0.057 R)
• M9: 8,413,085 km (0.096 R)
• M10: 8,784,387 km (0.102 R)
• M11: 9,639,937 km (0.067 R)
• M12: 10,938,746 km (0.084 R)
• M13: 11,698,703 km (0.096 R)
• M14: 12,255,955 km (0.106 R)
• M15: 14,611,224 km (0.055 R)
• M16: 15,477,545 km (0.055 R)
• M17: 17,914,644 km (0.096 R)
• M18: 18,970,207 km (0.069 R)
• M19: 20,397,071 km (0.115 R)
• M20: 22,741,120 km (0.05 R)
• M21: 23,536,532 km (0.092 R)
• M22: 24,425,144 km (0.077 R)
• M23: 25,029,968 km (0.085 R)
• M24: 25,412,938 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921

Radius: 15

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.75 AU - 4.25 AU

Year: 5426 Days

Day: 12.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,915,620 km

• M1: 191,186 km (0.1 R)
• M2: 980,016 km (0.102 R)
• M3: 1,636,601 km (0.096 R)
• M4: 2,327,743 km (0.097 R)
• M5: 2,873,925 km (0.038 R)
• M6: 4,106,761 km (0.034 R)
• M7: 4,641,872 km (0.11 R)
• M8: 5,487,399 km (0.083 R)
• M9: 6,772,744 km (0.095 R)
• M10: 7,303,667 km (0.082 R)
• M11: 8,815,803 km (0.094 R)
• M12: 9,320,845 km (0.069 R)
• M13: 10,343,047 km (0.058 R)
• M14: 10,953,257 km (0.112 R)
• M15: 11,537,736 km (0.107 R)
• M16: 12,194,321 km (0.097 R)
• M17: 13,638,090 km (0.05 R)
• M18: 15,252,999 km (0.057 R)
• M19: 16,231,219 km (0.059 R)
• M20: 17,316,103 km (0.083 R)
• M21: 21,761,853 km (0.105 R)
• M22: 22,609,474 km (0.071 R)
• M23: 25,792,618 km (0.104 R)
• M24: 26,307,683 km (0.072 R)
• M25: 27,536,031 km (0.044 R)
• M26: 28,710,524 km (0.11 R)
• M27: 29,636,535 km (0.106 R)
• M28: 33,135,928 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571

Radius: 3.8

Gravity: 39.54 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.45 AU - 7.05 AU

Year: 9352 Days

Day: 22.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,915,620 km

• M1: 47,572 km (0.117 R)
• M2: 286,181 km (0.114 R)
• M3: 512,373 km (0.089 R)
• M4: 761,752 km (0.092 R)
• M5: 1,771,089 km (0.033 R)
• M6: 2,283,611 km (0.058 R)
• M7: 3,947,888 km (0.116 R)
• M8: 4,521,296 km (0.058 R)
• M9: 5,401,530 km (0.072 R)
• M10: 6,071,579 km (0.09 R)
• M11: 6,646,035 km (0.086 R)
• M12: 7,295,290 km (0.115 R)
• M13: 7,614,980 km (0.086 R)
• M14: 8,196,916 km (0.12 R)
• M15: 9,684,817 km (0.112 R)
• M16: 9,924,921 km (0.12 R)
• M17: 10,822,359 km (0.113 R)
• M18: 11,396,665 km (0.051 R)
• M19: 11,936,265 km (0.073 R)
• M20: 12,156,772 km (0.053 R)
• M21: 12,834,600 km (0.081 R)
• M22: 18,445,866 km (0.117 R)
• M23: 21,374,245 km (0.057 R)
• M24: 21,863,280 km (0.099 R)
• M25: 25,954,931 km (0.088 R)
• M26: 26,886,777 km (0.067 R)
• M27: 28,915,772 km (0.1 R)
• M28: 30,323,788 km (0.111 R)
• M29: 30,837,507 km (0.081 R)
• M30: 31,776,832 km (0.105 R)
• M31: 35,158,192 km (0.103 R)
• M32: 37,698,065 km (0.095 R)
• M33: 39,012,731 km (0.095 R)
• M34: 40,979,195 km (0.117 R)
• M35: 42,368,660 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.7

Radius: 6.7

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.44 AU - 6.18 AU

Year: 9499 Days

Day: 18.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,915,620 km

• M1: 83,326 km (0.109 R)
• M2: 319,541 km (0.105 R)
• M3: 554,260 km (0.059 R)
• M4: 792,270 km (0.097 R)
• M5: 1,025,942 km (0.097 R)
• M6: 1,342,790 km (0.077 R)
• M7: 1,989,053 km (0.086 R)
• M8: 3,722,893 km (0.108 R)
• M9: 4,561,987 km (0.097 R)
• M10: 6,171,361 km (0.107 R)
• M11: 6,387,081 km (0.117 R)
• M12: 6,871,778 km (0.092 R)
• M13: 10,309,537 km (0.112 R)
• M14: 10,819,965 km (0.034 R)
• M15: 11,725,930 km (0.034 R)
• M16: 14,118,000 km (0.119 R)
• M17: 14,619,901 km (0.119 R)
• M18: 15,198,695 km (0.113 R)
• M19: 15,725,878 km (0.107 R)
• M20: 16,197,261 km (0.08 R)
• M21: 28,104,653 km (0.105 R)
• M22: 29,809,620 km (0.112 R)
• M23: 31,158,992 km (0.113 R)
• M24: 32,116,718 km (0.1 R)
• M25: 35,336,363 km (0.074 R)
• M26: 36,964,886 km (0.115 R)
• M27: 37,201,550 km (0.065 R)
• M28: 37,678,019 km (0.096 R)
• M29: 38,158,378 km (0.081 R)
• M30: 42,150,098 km (0.038 R)
• M31: 42,538,005 km (0.057 R)
• M32: 43,715,939 km (0.062 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 11,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit