🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.4

Radius: 12

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.66 AU - 0.7 AU

Year: 380 Days

Day: 13.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,769,814 km

• M1: 149,299 km (0.111 R)
• M2: 585,227 km (0.089 R)
• M3: 973,583 km (0.092 R)
• M4: 1,346,830 km (0.118 R)
• M5: 1,811,181 km (0.076 R)
• M6: 2,502,473 km (0.084 R)
• M7: 2,879,161 km (0.113 R)
• M8: 3,492,512 km (0.104 R)
• M9: 4,084,171 km (0.098 R)
• M10: 4,683,161 km (0.089 R)
• M11: 5,340,195 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.1

Radius: 13.3

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.45 AU - 1.57 AU

Year: 1259 Days

Day: 10.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,769,814 km

• M1: 167,699 km (0.095 R)
• M2: 583,731 km (0.073 R)
• M3: 1,029,682 km (0.118 R)
• M4: 1,559,707 km (0.079 R)
• M5: 2,058,766 km (0.067 R)
• M6: 3,132,879 km (0.071 R)
• M7: 3,787,818 km (0.119 R)
• M8: 4,202,055 km (0.104 R)
• M9: 5,001,057 km (0.044 R)
• M10: 5,523,153 km (0.066 R)
• M11: 6,315,424 km (0.067 R)
• M12: 8,183,153 km (0.032 R)
• M13: 8,850,958 km (0.103 R)
• M14: 9,275,068 km (0.093 R)
• M15: 10,596,017 km (0.103 R)
• M16: 11,040,024 km (0.098 R)
• M17: 11,675,366 km (0.075 R)
• M18: 12,186,392 km (0.09 R)
• M19: 13,019,503 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.6

Radius: 14.3

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.33 AU - 1.79 AU

Year: 1322 Days

Day: 6.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,769,814 km

• M1: 179,218 km (0.075 R)
• M2: 692,040 km (0.112 R)
• M3: 1,375,104 km (0.076 R)
• M4: 1,960,480 km (0.05 R)
• M5: 2,902,348 km (0.1 R)
• M6: 3,406,493 km (0.087 R)
• M7: 4,478,960 km (0.059 R)
• M8: 4,930,297 km (0.04 R)
• M9: 5,543,050 km (0.086 R)
• M10: 6,135,308 km (0.113 R)
• M11: 8,431,037 km (0.114 R)
• M12: 9,092,559 km (0.088 R)
• M13: 9,853,713 km (0.064 R)
• M14: 10,485,913 km (0.114 R)
• M15: 12,623,667 km (0.056 R)
• M16: 13,091,908 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.5

Radius: 8.3

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.21 AU - 2.59 AU

Year: 2522 Days

Day: 9.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,769,814 km

• M1: 106,214 km (0.097 R)
• M2: 410,945 km (0.085 R)
• M3: 1,022,950 km (0.094 R)
• M4: 1,517,521 km (0.101 R)
• M5: 1,855,313 km (0.066 R)
• M6: 3,796,794 km (0.118 R)
• M7: 4,424,656 km (0.116 R)
• M8: 5,073,013 km (0.086 R)
• M9: 6,122,293 km (0.054 R)
• M10: 6,811,939 km (0.091 R)
• M11: 7,249,962 km (0.115 R)
• M12: 7,613,784 km (0.111 R)
• M13: 8,444,052 km (0.097 R)
• M14: 12,461,353 km (0.106 R)
• M15: 13,295,660 km (0.107 R)
• M16: 14,119,945 km (0.05 R)
• M17: 16,175,419 km (0.115 R)
• M18: 16,484,489 km (0.075 R)
• M19: 18,590,527 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.7

Radius: 14.9

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.2 AU - 2.84 AU

Year: 2713 Days

Day: 8.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,769,814 km

• M1: 185,352 km (0.097 R)
• M2: 800,947 km (0.1 R)
• M3: 1,632,262 km (0.108 R)
• M4: 3,329,450 km (0.073 R)
• M5: 3,824,170 km (0.116 R)
• M6: 4,820,343 km (0.108 R)
• M7: 5,773,580 km (0.113 R)
• M8: 6,979,638 km (0.086 R)
• M9: 8,200,506 km (0.075 R)
• M10: 11,063,959 km (0.09 R)
• M11: 14,367,080 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.7

Radius: 9.5

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.32 AU - 3 AU

Year: 2942 Days

Day: 5.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,769,814 km

• M1: 118,482 km (0.114 R)
• M2: 449,093 km (0.053 R)
• M3: 867,518 km (0.085 R)
• M4: 2,359,607 km (0.102 R)
• M5: 2,723,878 km (0.119 R)
• M6: 4,340,881 km (0.112 R)
• M7: 5,987,356 km (0.068 R)

Asteroid Belt

Center: 3.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.8

Radius: 14.8

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.38 AU - 5.58 AU

Year: 7538 Days

Day: 10.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,769,814 km

• M1: 184,155 km (0.117 R)
• M2: 669,600 km (0.085 R)
• M3: 1,461,721 km (0.091 R)
• M4: 2,776,686 km (0.103 R)
• M5: 3,941,306 km (0.102 R)
• M6: 5,133,301 km (0.119 R)
• M7: 6,589,936 km (0.076 R)
• M8: 7,069,247 km (0.076 R)
• M9: 8,140,069 km (0.058 R)
• M10: 8,868,012 km (0.092 R)
• M11: 9,407,761 km (0.102 R)
• M12: 10,955,501 km (0.107 R)
• M13: 11,420,152 km (0.08 R)
• M14: 13,764,949 km (0.041 R)
• M15: 16,083,117 km (0.117 R)
• M16: 17,231,132 km (0.115 R)
• M17: 21,561,990 km (0.094 R)
• M18: 26,385,773 km (0.084 R)
• M19: 29,442,955 km (0.114 R)
• M20: 33,263,685 km (0.065 R)
• M21: 37,870,701 km (0.111 R)
• M22: 38,697,528 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.2

Radius: 5.9

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.72 AU - 6.96 AU

Year: 9572 Days

Day: 21.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,769,814 km

• M1: 73,602 km (0.099 R)
• M2: 342,130 km (0.117 R)
• M3: 639,680 km (0.11 R)
• M4: 1,174,194 km (0.118 R)
• M5: 1,736,382 km (0.1 R)
• M6: 2,000,124 km (0.108 R)
• M7: 2,223,324 km (0.076 R)
• M8: 4,233,919 km (0.062 R)
• M9: 4,713,679 km (0.085 R)
• M10: 12,136,127 km (0.092 R)
• M11: 15,364,300 km (0.028 R)
• M12: 22,097,550 km (0.084 R)
• M13: 24,773,407 km (0.057 R)
• M14: 25,111,648 km (0.083 R)
• M15: 26,058,154 km (0.091 R)
• M16: 26,408,063 km (0.058 R)
• M17: 28,852,792 km (0.095 R)
• M18: 32,341,564 km (0.109 R)
• M19: 32,949,081 km (0.068 R)
• M20: 35,241,967 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447

Radius: 8

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.28 AU - 6.74 AU

Year: 9993 Days

Day: 15.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,769,814 km

• M1: 99,931 km (0.072 R)
• M2: 687,103 km (0.102 R)
• M3: 1,029,233 km (0.098 R)
• M4: 1,728,903 km (0.104 R)
• M5: 2,033,783 km (0.1 R)
• M6: 2,410,470 km (0.101 R)
• M7: 2,977,746 km (0.049 R)
• M8: 3,259,588 km (0.101 R)
• M9: 3,777,496 km (0.039 R)
• M10: 5,828,333 km (0.12 R)
• M11: 6,412,363 km (0.117 R)
• M12: 6,921,893 km (0.029 R)
• M13: 9,463,262 km (0.117 R)
• M14: 17,519,407 km (0.081 R)
• M15: 18,442,276 km (0.108 R)
• M16: 21,485,246 km (0.026 R)
• M17: 22,957,738 km (0.057 R)
• M18: 26,931,207 km (0.063 R)
• M19: 28,447,830 km (0.118 R)
• M20: 34,643,127 km (0.118 R)
• M21: 34,974,636 km (0.066 R)
• M22: 35,643,937 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.4

Radius: 4

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.87 AU - 11.43 AU

Year: 18773 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,769,814 km

• M1: 50,414 km (0.03 R)
• M2: 238,010 km (0.111 R)
• M3: 387,458 km (0.106 R)
• M4: 615,296 km (0.067 R)
• M5: 1,031,328 km (0.109 R)
• M6: 1,351,168 km (0.115 R)
• M7: 1,569,880 km (0.083 R)
• M8: 2,689,022 km (0.11 R)
• M9: 3,411,430 km (0.06 R)
• M10: 3,635,976 km (0.066 R)
• M11: 4,087,014 km (0.085 R)
• M12: 5,360,241 km (0.048 R)
• M13: 5,493,832 km (0.105 R)
• M14: 5,663,925 km (0.061 R)
• M15: 7,522,230 km (0.113 R)
• M16: 7,945,891 km (0.094 R)
• M17: 10,000,767 km (0.1 R)
• M18: 16,000,390 km (0.09 R)
• M19: 17,274,066 km (0.077 R)
• M20: 20,832,700 km (0.096 R)
• M21: 26,845,338 km (0.097 R)
• M22: 29,252,517 km (0.028 R)
• M23: 30,934,895 km (0.067 R)
• M24: 33,239,300 km (0.117 R)
• M25: 34,721,815 km (0.059 R)
• M26: 38,806,436 km (0.098 R)
• M27: 43,199,676 km (0.12 R)
• M28: 47,199,475 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 18,602 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit