🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.1

Radius: 12.1

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.44 AU - 0.64 AU

Year: 265 Days

Day: 7.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,266,613 km

• M1: 150,495 km (0.101 R)
• M2: 615,296 km (0.114 R)
• M3: 1,061,846 km (0.075 R)
• M4: 1,748,949 km (0.093 R)
• M5: 2,513,244 km (0.101 R)
• M6: 3,016,791 km (0.089 R)
• M7: 3,413,973 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.8

Radius: 9.8

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.52 AU - 0.66 AU

Year: 302 Days

Day: 9.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,266,613 km

• M1: 121,922 km (0.112 R)
• M2: 534,663 km (0.104 R)
• M3: 843,283 km (0.081 R)
• M4: 1,221,317 km (0.115 R)
• M5: 1,583,194 km (0.045 R)
• M6: 2,254,290 km (0.117 R)
• M7: 2,603,601 km (0.108 R)
• M8: 3,147,240 km (0.031 R)
• M9: 3,562,374 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.6

Radius: 10

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.84 AU - 0.94 AU

Year: 560 Days

Day: 7.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,266,613 km

• M1: 124,316 km (0.074 R)
• M2: 444,156 km (0.072 R)
• M3: 763,099 km (0.068 R)
• M4: 1,169,556 km (0.1 R)
• M5: 1,795,623 km (0.103 R)
• M6: 2,212,403 km (0.1 R)
• M7: 2,611,829 km (0.065 R)
• M8: 2,970,116 km (0.114 R)
• M9: 3,373,432 km (0.104 R)
• M10: 3,918,716 km (0.078 R)
• M11: 6,002,615 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.5

Radius: 10.1

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.85 AU - 1.33 AU

Year: 759 Days

Day: 13 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,266,613 km

• M1: 125,662 km (0.054 R)
• M2: 689,497 km (0.1 R)
• M3: 1,155,793 km (0.092 R)
• M4: 1,722,919 km (0.051 R)
• M5: 2,154,808 km (0.081 R)
• M6: 2,787,158 km (0.108 R)
• M7: 3,292,051 km (0.082 R)
• M8: 3,992,767 km (0.108 R)
• M9: 4,552,114 km (0.058 R)
• M10: 5,072,415 km (0.115 R)
• M11: 5,459,873 km (0.047 R)
• M12: 5,926,768 km (0.119 R)
• M13: 6,808,199 km (0.049 R)
• M14: 7,372,931 km (0.106 R)
• M15: 8,493,569 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.7

Radius: 14.3

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.89 AU - 1.35 AU

Year: 790 Days

Day: 12.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,266,613 km

• M1: 178,321 km (0.083 R)
• M2: 663,018 km (0.082 R)
• M3: 1,120,039 km (0.073 R)
• M4: 1,570,628 km (0.089 R)
• M5: 2,567,099 km (0.061 R)
• M6: 3,110,888 km (0.075 R)
• M7: 3,706,138 km (0.086 R)
• M8: 4,208,786 km (0.105 R)
• M9: 4,727,143 km (0.086 R)
• M10: 5,320,448 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.8

Radius: 8.6

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.34 AU - 1.86 AU

Year: 1350 Days

Day: 7.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,266,613 km

• M1: 107,411 km (0.102 R)
• M2: 503,247 km (0.071 R)
• M3: 1,245,851 km (0.098 R)
• M4: 1,554,322 km (0.097 R)
• M5: 2,176,350 km (0.096 R)
• M6: 2,628,734 km (0.061 R)
• M7: 2,955,007 km (0.082 R)
• M8: 3,839,729 km (0.112 R)
• M9: 4,408,649 km (0.058 R)
• M10: 5,581,497 km (0.029 R)
• M11: 6,431,212 km (0.088 R)
• M12: 6,699,741 km (0.115 R)
• M13: 7,795,096 km (0.116 R)
• M14: 8,647,505 km (0.119 R)
• M15: 9,814,817 km (0.042 R)
• M16: 12,086,610 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.8

Radius: 8

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.98 AU - 2.22 AU

Year: 2029 Days

Day: 11.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,266,613 km

• M1: 100,380 km (0.067 R)
• M2: 385,364 km (0.067 R)
• M3: 1,316,162 km (0.098 R)
• M4: 1,629,719 km (0.11 R)
• M5: 2,125,636 km (0.095 R)
• M6: 2,467,018 km (0.058 R)
• M7: 2,831,888 km (0.054 R)
• M8: 3,388,691 km (0.12 R)
• M9: 3,701,051 km (0.099 R)
• M10: 4,558,098 km (0.081 R)
• M11: 5,602,291 km (0.057 R)
• M12: 5,870,819 km (0.091 R)
• M13: 6,235,090 km (0.083 R)
• M14: 6,591,432 km (0.105 R)
• M15: 7,394,174 km (0.078 R)
• M16: 7,819,331 km (0.07 R)
• M17: 8,313,602 km (0.091 R)
• M18: 9,451,145 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.9

Radius: 8.5

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.05 AU - 6.23 AU

Year: 8932 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,266,613 km

• M1: 137,032 km (0.115 R)
• M2: 857,345 km (0.113 R)
• M3: 1,206,058 km (0.072 R)
• M4: 1,577,360 km (0.1 R)
• M5: 2,860,760 km (0.116 R)
• M6: 4,018,348 km (0.091 R)
• M7: 6,560,615 km (0.071 R)
• M8: 8,862,327 km (0.119 R)
• M9: 11,544,168 km (0.104 R)
• M10: 13,709,298 km (0.102 R)
• M11: 14,210,751 km (0.066 R)
• M12: 14,854,620 km (0.119 R)
• M13: 15,720,791 km (0.09 R)
• M14: 17,995,577 km (0.111 R)
• M15: 20,078,577 km (0.078 R)
• M16: 26,602,690 km (0.096 R)
• M17: 27,878,162 km (0.09 R)
• M18: 30,129,011 km (0.102 R)
• M19: 42,555,508 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.8

Radius: 3.9

Gravity: 61.85 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.72 AU - 12.2 AU

Year: 20961 Days

Day: 18.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,266,613 km

• M1: 48,919 km (0.08 R)
• M2: 325,525 km (0.114 R)
• M3: 574,306 km (0.085 R)
• M4: 705,204 km (0.118 R)
• M5: 2,646,835 km (0.058 R)
• M6: 3,298,184 km (0.098 R)
• M7: 3,446,436 km (0.118 R)
• M8: 3,629,992 km (0.062 R)
• M9: 5,756,975 km (0.095 R)
• M10: 8,372,993 km (0.091 R)
• M11: 11,961,696 km (0.088 R)
• M12: 12,171,133 km (0.056 R)
• M13: 12,312,054 km (0.102 R)
• M14: 14,559,463 km (0.113 R)
• M15: 15,530,054 km (0.07 R)
• M16: 15,779,284 km (0.066 R)
• M17: 18,699,883 km (0.07 R)
• M18: 19,651,326 km (0.082 R)
• M19: 21,753,475 km (0.109 R)
• M20: 28,452,019 km (0.092 R)
• M21: 31,264,758 km (0.083 R)
• M22: 38,486,446 km (0.081 R)
• M23: 38,638,288 km (0.109 R)
• M24: 41,120,416 km (0.088 R)
• M25: 42,400,524 km (0.059 R)
• M26: 45,886,604 km (0.099 R)
• M27: 48,313,979 km (0.049 R)
• M28: 53,046,208 km (0.056 R)
• M29: 56,889,826 km (0.118 R)
• M30: 61,534,541 km (0.088 R)
• M31: 66,425,643 km (0.074 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: 215 - 10,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit