🌌 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: 538.5

Radius: 12.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.63 AU - 0.73 AU

Year: 362 Days

Day: 5.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,463,586 km

• M1: 151,243 km (0.085 R)
• M2: 528,679 km (0.027 R)
• M3: 939,475 km (0.078 R)
• M4: 1,317,957 km (0.067 R)
• M5: 1,711,699 km (0.118 R)
• M6: 2,368,134 km (0.114 R)
• M7: 2,842,509 km (0.104 R)
• M8: 3,250,163 km (0.061 R)
• M9: 3,650,637 km (0.067 R)
• M10: 4,729,836 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.7

Radius: 10.2

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.8 AU - 0.92 AU

Year: 515 Days

Day: 10.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,463,586 km

• M1: 126,859 km (0.083 R)
• M2: 521,947 km (0.091 R)
• M3: 861,684 km (0.103 R)
• M4: 1,277,865 km (0.093 R)
• M5: 1,827,338 km (0.064 R)
• M6: 2,241,874 km (0.045 R)
• M7: 2,784,615 km (0.113 R)
• M8: 3,226,078 km (0.075 R)
• M9: 4,090,006 km (0.114 R)
• M10: 4,522,194 km (0.087 R)
• M11: 5,514,028 km (0.119 R)
• M12: 6,005,158 km (0.041 R)
• M13: 6,806,554 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.6

Radius: 13.4

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.96 AU - 1.28 AU

Year: 765 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,463,586 km

• M1: 166,652 km (0.068 R)
• M2: 872,305 km (0.102 R)
• M3: 1,348,774 km (0.058 R)
• M4: 2,302,760 km (0.116 R)
• M5: 2,739,885 km (0.076 R)
• M6: 3,452,420 km (0.045 R)
• M7: 5,045,188 km (0.035 R)
• M8: 5,574,166 km (0.117 R)
• M9: 6,140,095 km (0.026 R)
• M10: 6,699,890 km (0.074 R)
• M11: 7,627,397 km (0.039 R)
• M12: 9,370,960 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.5

Radius: 14.9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.96 AU - 1.32 AU

Year: 786 Days

Day: 14.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 168.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,463,586 km

• M1: 185,352 km (0.096 R)
• M2: 685,607 km (0.081 R)
• M3: 1,165,667 km (0.115 R)
• M4: 1,680,732 km (0.1 R)
• M5: 2,218,985 km (0.079 R)
• M6: 2,884,845 km (0.045 R)
• M7: 4,157,325 km (0.098 R)
• M8: 4,895,142 km (0.103 R)
• M9: 5,835,813 km (0.036 R)
• M10: 6,655,609 km (0.095 R)
• M11: 7,388,639 km (0.073 R)
• M12: 8,028,020 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.4

Radius: 11.6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.04 AU - 3.04 AU

Year: 3422 Days

Day: 7.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,463,586 km

• M1: 145,110 km (0.082 R)
• M2: 1,256,024 km (0.058 R)
• M3: 2,037,074 km (0.085 R)
• M4: 2,947,976 km (0.075 R)
• M5: 3,688,186 km (0.056 R)
• M6: 4,366,313 km (0.108 R)
• M7: 5,306,236 km (0.104 R)
• M8: 6,611,777 km (0.102 R)
• M9: 7,672,276 km (0.042 R)
• M10: 8,778,253 km (0.071 R)
• M11: 9,437,082 km (0.11 R)
• M12: 12,407,049 km (0.082 R)
• M13: 16,143,854 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.1

Radius: 13.2

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.02 AU - 4.1 AU

Year: 5282 Days

Day: 13.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,463,586 km

• M1: 164,258 km (0.073 R)
• M2: 944,112 km (0.084 R)
• M3: 1,743,862 km (0.091 R)
• M4: 4,081,329 km (0.119 R)
• M5: 6,863,700 km (0.073 R)
• M6: 7,987,330 km (0.046 R)
• M7: 9,307,082 km (0.118 R)
• M8: 10,182,229 km (0.095 R)
• M9: 10,852,727 km (0.051 R)
• M10: 12,516,255 km (0.106 R)
• M11: 14,036,170 km (0.097 R)
• M12: 16,799,542 km (0.117 R)
• M13: 19,714,755 km (0.098 R)
• M14: 21,699,321 km (0.098 R)
• M15: 22,180,876 km (0.102 R)
• M16: 23,452,159 km (0.097 R)
• M17: 24,326,259 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.8

Radius: 11.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.73 AU - 5.63 AU

Year: 6537 Days

Day: 10.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,463,586 km

• M1: 156,629 km (0.102 R)
• M2: 568,622 km (0.051 R)
• M3: 2,015,383 km (0.117 R)
• M4: 3,098,022 km (0.067 R)
• M5: 4,224,045 km (0.108 R)
• M6: 5,158,284 km (0.106 R)
• M7: 6,629,130 km (0.118 R)
• M8: 7,050,548 km (0.099 R)
• M9: 7,947,387 km (0.107 R)
• M10: 9,173,641 km (0.08 R)
• M11: 10,242,218 km (0.12 R)
• M12: 11,692,570 km (0.037 R)
• M13: 12,947,995 km (0.075 R)
• M14: 14,291,384 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.3

Radius: 3.5

Gravity: 34.39 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.5 AU - 6.8 AU

Year: 11073 Days

Day: 18.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,463,586 km

• M1: 68,516 km (0.115 R)
• M2: 202,705 km (0.116 R)
• M3: 482,752 km (0.103 R)
• M4: 668,852 km (0.12 R)
• M5: 882,478 km (0.091 R)
• M6: 1,539,661 km (0.112 R)
• M7: 1,786,947 km (0.099 R)
• M8: 2,077,017 km (0.063 R)
• M9: 2,215,544 km (0.099 R)
• M10: 2,435,154 km (0.117 R)
• M11: 3,557,437 km (0.063 R)
• M12: 8,814,007 km (0.12 R)
• M13: 9,457,727 km (0.047 R)
• M14: 9,887,821 km (0.069 R)
• M15: 11,848,002 km (0.045 R)
• M16: 12,068,210 km (0.112 R)
• M17: 17,420,223 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541.3

Radius: 7.8

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.08 AU - 12.24 AU

Year: 20910 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,463,586 km

• M1: 97,089 km (0.093 R)
• M2: 346,169 km (0.07 R)
• M3: 943,514 km (0.086 R)
• M4: 2,966,526 km (0.047 R)
• M5: 3,762,536 km (0.105 R)
• M6: 4,005,483 km (0.116 R)
• M7: 5,306,835 km (0.065 R)
• M8: 6,303,605 km (0.097 R)
• M9: 6,958,695 km (0.067 R)
• M10: 7,803,773 km (0.108 R)
• M11: 8,715,572 km (0.11 R)
• M12: 9,924,173 km (0.072 R)
• M13: 10,213,795 km (0.086 R)
• M14: 11,941,052 km (0.093 R)
• M15: 13,358,192 km (0.067 R)
• M16: 17,679,925 km (0.117 R)
• M17: 19,245,916 km (0.111 R)
• M18: 23,870,135 km (0.092 R)
• M19: 24,918,667 km (0.076 R)
• M20: 28,480,891 km (0.107 R)
• M21: 29,660,022 km (0.099 R)
• M22: 36,184,583 km (0.12 R)
• M23: 41,176,814 km (0.115 R)
• M24: 47,422,675 km (0.108 R)
• M25: 50,088,359 km (0.092 R)
• M26: 51,630,863 km (0.072 R)
• M27: 55,171,545 km (0.089 R)
• M28: 56,264,507 km (0.049 R)
• M29: 59,249,433 km (0.117 R)
• M30: 60,395,503 km (0.083 R)
• M31: 62,535,052 km (0.102 R)
• M32: 63,523,893 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 18,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit