🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.2

Radius: 9.5

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.47 AU - 0.67 AU

Year: 292 Days

Day: 14.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,668,524 km

• M1: 118,182 km (0.107 R)
• M2: 534,513 km (0.096 R)
• M3: 875,148 km (0.068 R)
• M4: 1,179,280 km (0.116 R)
• M5: 1,485,507 km (0.066 R)
• M6: 1,973,346 km (0.095 R)
• M7: 2,281,068 km (0.086 R)
• M8: 2,611,680 km (0.104 R)
• M9: 3,850,649 km (0.097 R)
• M10: 4,322,630 km (0.11 R)
• M11: 4,733,127 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.9

Radius: 11.9

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.84 AU - 0.88 AU

Year: 541 Days

Day: 13.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,668,524 km

• M1: 147,952 km (0.074 R)
• M2: 598,840 km (0.051 R)
• M3: 1,114,654 km (0.076 R)
• M4: 1,758,673 km (0.027 R)
• M5: 2,559,320 km (0.077 R)
• M6: 2,933,465 km (0.068 R)
• M7: 3,344,260 km (0.113 R)
• M8: 3,992,767 km (0.089 R)
• M9: 4,529,225 km (0.028 R)
• M10: 5,993,788 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.1

Radius: 9.1

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.32 AU - 1.96 AU

Year: 1424 Days

Day: 7.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,668,524 km

• M1: 113,246 km (0.054 R)
• M2: 487,988 km (0.048 R)
• M3: 972,087 km (0.094 R)
• M4: 1,275,023 km (0.086 R)
• M5: 1,674,150 km (0.1 R)
• M6: 2,041,113 km (0.097 R)
• M7: 2,692,911 km (0.053 R)
• M8: 2,999,737 km (0.119 R)
• M9: 3,490,717 km (0.105 R)
• M10: 4,263,988 km (0.091 R)
• M11: 4,616,889 km (0.041 R)
• M12: 5,604,086 km (0.12 R)
• M13: 7,138,661 km (0.058 R)
• M14: 8,038,791 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.1

Radius: 11.7

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.42 AU - 1.98 AU

Year: 1503 Days

Day: 8.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,668,524 km

• M1: 160,668 km (0.083 R)
• M2: 535,560 km (0.068 R)
• M3: 927,956 km (0.077 R)
• M4: 1,983,967 km (0.112 R)
• M5: 3,049,403 km (0.108 R)
• M6: 3,596,931 km (0.115 R)
• M7: 4,259,201 km (0.086 R)
• M8: 4,982,507 km (0.109 R)
• M9: 5,482,612 km (0.051 R)
• M10: 5,889,818 km (0.087 R)
• M11: 6,339,210 km (0.106 R)
• M12: 6,927,279 km (0.056 R)
• M13: 7,953,820 km (0.112 R)
• M14: 8,665,756 km (0.085 R)
• M15: 10,338,410 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.6

Radius: 5.8

Gravity: 19.67 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.82 AU - 6.2 AU

Year: 9993 Days

Day: 16.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,668,524 km

• M1: 76,445 km (0.116 R)
• M2: 562,039 km (0.105 R)
• M3: 819,946 km (0.107 R)
• M4: 1,190,051 km (0.092 R)
• M5: 1,710,502 km (0.056 R)
• M6: 1,898,098 km (0.045 R)
• M7: 2,152,115 km (0.057 R)
• M8: 3,884,458 km (0.11 R)
• M9: 4,239,155 km (0.085 R)
• M10: 4,826,626 km (0.107 R)
• M11: 5,947,563 km (0.065 R)
• M12: 7,518,191 km (0.087 R)
• M13: 8,156,076 km (0.03 R)
• M14: 8,646,308 km (0.031 R)
• M15: 11,561,522 km (0.107 R)
• M16: 11,839,923 km (0.088 R)
• M17: 12,179,810 km (0.042 R)
• M18: 13,058,249 km (0.08 R)
• M19: 13,543,694 km (0.096 R)
• M20: 14,167,367 km (0.09 R)
• M21: 14,615,114 km (0.048 R)
• M22: 17,869,466 km (0.114 R)
• M23: 18,392,011 km (0.073 R)
• M24: 21,408,802 km (0.114 R)
• M25: 24,924,202 km (0.107 R)
• M26: 25,202,454 km (0.051 R)
• M27: 28,400,707 km (0.049 R)
• M28: 30,149,356 km (0.114 R)
• M29: 30,359,691 km (0.115 R)
• M30: 33,183,800 km (0.027 R)
• M31: 34,659,433 km (0.074 R)
• M32: 42,170,593 km (0.105 R)
• M33: 42,565,681 km (0.106 R)
• M34: 45,954,671 km (0.036 R)
• M35: 46,373,096 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.1

Radius: 3.7

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.01 AU - 7.03 AU

Year: 10018 Days

Day: 15.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,668,524 km

• M1: 51,611 km (0.086 R)
• M2: 286,031 km (0.112 R)
• M3: 499,806 km (0.109 R)
• M4: 2,607,790 km (0.099 R)
• M5: 3,797,243 km (0.1 R)
• M6: 4,231,825 km (0.097 R)
• M7: 4,840,987 km (0.119 R)
• M8: 5,756,975 km (0.101 R)
• M9: 9,540,305 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.5

Radius: 5.8

Gravity: 28.02 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.5 AU - 9.68 AU

Year: 18588 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,668,524 km

• M1: 293,062 km (0.09 R)
• M2: 642,074 km (0.078 R)
• M3: 1,064,688 km (0.119 R)
• M4: 2,097,661 km (0.12 R)
• M5: 3,987,830 km (0.095 R)
• M6: 4,318,591 km (0.115 R)
• M7: 4,596,245 km (0.056 R)
• M8: 6,700,339 km (0.112 R)
• M9: 6,931,617 km (0.097 R)
• M10: 10,566,546 km (0.103 R)
• M11: 12,196,714 km (0.091 R)
• M12: 13,179,423 km (0.096 R)
• M13: 15,221,583 km (0.078 R)
• M14: 19,543,466 km (0.105 R)
• M15: 35,420,886 km (0.078 R)
• M16: 41,611,097 km (0.118 R)
• M17: 42,550,422 km (0.092 R)
• M18: 46,784,340 km (0.056 R)
• M19: 52,189,312 km (0.073 R)
• M20: 52,733,549 km (0.055 R)
• M21: 72,210,144 km (0.104 R)
• M22: 74,478,497 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.7

Radius: 7.1

Gravity: 15.31 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.6 AU - 9.98 AU

Year: 20776 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 46,668,524 km

• M1: 89,160 km (0.092 R)
• M2: 340,784 km (0.119 R)
• M3: 635,941 km (0.084 R)
• M4: 940,372 km (0.106 R)
• M5: 1,295,966 km (0.096 R)
• M6: 1,850,077 km (0.039 R)
• M7: 2,367,237 km (0.074 R)
• M8: 2,721,634 km (0.072 R)
• M9: 5,437,284 km (0.082 R)
• M10: 8,947,748 km (0.113 R)
• M11: 9,342,686 km (0.09 R)
• M12: 10,473,497 km (0.096 R)
• M13: 10,722,727 km (0.112 R)
• M14: 11,298,080 km (0.091 R)
• M15: 14,410,613 km (0.083 R)
• M16: 15,590,492 km (0.11 R)
• M17: 16,663,856 km (0.097 R)
• M18: 17,089,612 km (0.093 R)
• M19: 24,815,145 km (0.078 R)
• M20: 27,085,742 km (0.099 R)
• M21: 28,391,881 km (0.065 R)
• M22: 28,633,780 km (0.069 R)
• M23: 34,310,421 km (0.112 R)
• M24: 34,722,713 km (0.103 R)
• M25: 35,417,296 km (0.084 R)
• M26: 37,847,962 km (0.105 R)
• M27: 41,621,269 km (0.114 R)
• M28: 45,803,876 km (0.115 R)
• M29: 48,339,859 km (0.115 R)
• M30: 54,431,784 km (0.112 R)
• M31: 55,746,599 km (0.107 R)
• M32: 64,082,342 km (0.068 R)
• M33: 66,821,629 km (0.117 R)
• M34: 71,857,392 km (0.066 R)
• M35: 73,211,552 km (0.118 R)
• M36: 75,970,586 km (0.066 R)
• M37: 79,756,160 km (0.199 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.2

Radius: 8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.7 AU - 10.36 AU

Year: 21545 Days

Day: 17.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,668,524 km

• M1: 99,483 km (0.069 R)
• M2: 530,773 km (0.1 R)
• M3: 917,933 km (0.072 R)
• M4: 1,258,866 km (0.03 R)
• M5: 2,096,165 km (0.104 R)
• M6: 2,363,946 km (0.087 R)
• M7: 7,111,284 km (0.108 R)
• M8: 8,409,943 km (0.08 R)
• M9: 9,185,608 km (0.092 R)
• M10: 10,566,098 km (0.063 R)
• M11: 11,091,186 km (0.103 R)
• M12: 11,360,014 km (0.069 R)
• M13: 12,023,330 km (0.106 R)
• M14: 13,856,353 km (0.109 R)
• M15: 15,665,440 km (0.111 R)
• M16: 16,626,607 km (0.06 R)
• M17: 17,481,259 km (0.103 R)
• M18: 19,589,093 km (0.087 R)
• M19: 21,860,737 km (0.074 R)
• M20: 26,535,072 km (0.099 R)
• M21: 44,468,715 km (0.101 R)
• M22: 44,739,936 km (0.093 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 10,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit