🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.8

Radius: 9.9

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.7 AU - 1 AU

Year: 514 Days

Day: 10.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,172,383 km

• M1: 123,119 km (0.079 R)
• M2: 476,020 km (0.092 R)
• M3: 874,400 km (0.101 R)
• M4: 1,259,016 km (0.053 R)
• M5: 1,645,876 km (0.083 R)
• M6: 2,272,990 km (0.1 R)
• M7: 2,774,442 km (0.088 R)
• M8: 3,235,204 km (0.111 R)
• M9: 3,664,250 km (0.12 R)
• M10: 4,160,616 km (0.091 R)
• M11: 5,774,029 km (0.087 R)
• M12: 6,114,215 km (0.111 R)
• M13: 6,690,466 km (0.097 R)
• M14: 7,087,199 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 11.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.26 AU - 3.44 AU

Year: 3156 Days

Day: 6.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,172,383 km

• M1: 145,708 km (0.11 R)
• M2: 572,810 km (0.087 R)
• M3: 1,171,950 km (0.066 R)
• M4: 1,818,213 km (0.086 R)
• M5: 2,350,183 km (0.091 R)
• M6: 2,842,808 km (0.113 R)
• M7: 3,231,464 km (0.116 R)
• M8: 4,704,853 km (0.053 R)
• M9: 10,848,987 km (0.056 R)
• M10: 16,209,677 km (0.096 R)
• M11: 16,879,577 km (0.115 R)
• M12: 17,460,764 km (0.098 R)
• M13: 18,385,279 km (0.095 R)
• M14: 18,831,530 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.4

Radius: 13.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.57 AU - 3.77 AU

Year: 3703 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,172,383 km

• M1: 168,148 km (0.086 R)
• M2: 895,792 km (0.063 R)
• M3: 1,315,713 km (0.1 R)
• M4: 2,236,339 km (0.12 R)
• M5: 3,452,569 km (0.057 R)
• M6: 4,252,918 km (0.109 R)
• M7: 4,673,587 km (0.079 R)
• M8: 5,793,178 km (0.051 R)
• M9: 9,824,092 km (0.102 R)
• M10: 11,609,094 km (0.101 R)
• M11: 13,452,289 km (0.05 R)
• M12: 19,501,728 km (0.054 R)
• M13: 21,682,267 km (0.072 R)
• M14: 23,009,050 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915

Radius: 12

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.42 AU - 4.06 AU

Year: 4745 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,172,383 km

• M1: 149,299 km (0.109 R)
• M2: 642,672 km (0.048 R)
• M3: 1,297,911 km (0.114 R)
• M4: 1,834,818 km (0.1 R)
• M5: 2,798,527 km (0.085 R)
• M6: 3,841,225 km (0.08 R)
• M7: 4,315,001 km (0.088 R)
• M8: 6,225,964 km (0.112 R)
• M9: 6,780,972 km (0.098 R)
• M10: 7,990,471 km (0.094 R)
• M11: 10,926,180 km (0.102 R)
• M12: 12,179,511 km (0.11 R)
• M13: 13,796,664 km (0.112 R)
• M14: 16,089,101 km (0.069 R)
• M15: 18,959,585 km (0.062 R)
• M16: 24,157,214 km (0.037 R)
• M17: 25,283,686 km (0.059 R)
• M18: 29,684,556 km (0.118 R)
• M19: 31,826,648 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.3

Radius: 13.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.94 AU - 4.8 AU

Year: 5993 Days

Day: 9.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,172,383 km

• M1: 169,494 km (0.115 R)
• M2: 589,416 km (0.118 R)
• M3: 1,030,131 km (0.098 R)
• M4: 1,537,717 km (0.083 R)
• M5: 2,497,387 km (0.101 R)
• M6: 3,662,156 km (0.088 R)
• M7: 4,550,767 km (0.088 R)
• M8: 5,921,832 km (0.116 R)
• M9: 7,590,297 km (0.075 R)
• M10: 9,161,972 km (0.095 R)
• M11: 10,093,368 km (0.109 R)
• M12: 12,353,493 km (0.068 R)
• M13: 14,344,042 km (0.107 R)
• M14: 14,933,009 km (0.071 R)
• M15: 17,518,659 km (0.11 R)
• M16: 18,466,062 km (0.077 R)
• M17: 20,169,533 km (0.085 R)
• M18: 21,514,268 km (0.07 R)
• M19: 22,522,109 km (0.112 R)
• M20: 25,052,108 km (0.087 R)
• M21: 28,682,101 km (0.119 R)
• M22: 30,093,407 km (0.078 R)
• M23: 32,548,009 km (0.108 R)
• M24: 33,360,924 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.3

Radius: 5.8

Gravity: 20.7 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.09 AU - 8.07 AU

Year: 12358 Days

Day: 17.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,172,383 km

• M1: 72,106 km (0.045 R)
• M2: 662,419 km (0.106 R)
• M3: 1,151,006 km (0.102 R)
• M4: 1,509,592 km (0.093 R)
• M5: 2,489,608 km (0.059 R)
• M6: 2,723,429 km (0.064 R)
• M7: 3,284,870 km (0.079 R)
• M8: 4,033,907 km (0.115 R)
• M9: 5,089,619 km (0.084 R)
• M10: 5,753,833 km (0.064 R)
• M11: 7,687,535 km (0.099 R)
• M12: 8,607,861 km (0.077 R)
• M13: 9,294,217 km (0.118 R)
• M14: 10,555,027 km (0.115 R)
• M15: 11,572,442 km (0.043 R)
• M16: 12,104,861 km (0.095 R)
• M17: 12,840,135 km (0.108 R)
• M18: 18,841,104 km (0.101 R)
• M19: 20,503,735 km (0.08 R)
• M20: 21,902,175 km (0.114 R)
• M21: 25,476,368 km (0.046 R)
• M22: 25,873,849 km (0.065 R)
• M23: 26,681,079 km (0.057 R)
• M24: 28,345,954 km (0.084 R)
• M25: 30,300,151 km (0.109 R)
• M26: 34,960,873 km (0.099 R)
• M27: 37,205,738 km (0.086 R)
• M28: 37,846,017 km (0.098 R)
• M29: 38,104,074 km (0.119 R)
• M30: 38,363,476 km (0.092 R)
• M31: 42,395,737 km (0.116 R)
• M32: 43,234,682 km (0.077 R)
• M33: 43,800,162 km (0.087 R)
• M34: 52,402,040 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382

Radius: 5.5

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.82 AU - 10.1 AU

Year: 17594 Days

Day: 20.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,172,383 km

• M1: 72,106 km (0.087 R)
• M2: 294,857 km (0.09 R)
• M3: 585,227 km (0.062 R)
• M4: 852,409 km (0.083 R)
• M5: 1,383,930 km (0.069 R)
• M6: 1,863,541 km (0.111 R)
• M7: 2,094,969 km (0.088 R)
• M8: 2,345,695 km (0.06 R)
• M9: 2,530,747 km (0.08 R)
• M10: 3,072,890 km (0.119 R)
• M11: 3,423,098 km (0.107 R)
• M12: 3,743,986 km (0.05 R)
• M13: 4,262,941 km (0.088 R)
• M14: 4,795,809 km (0.118 R)
• M15: 5,407,215 km (0.108 R)
• M16: 5,880,244 km (0.115 R)
• M17: 6,539,821 km (0.116 R)
• M18: 8,912,443 km (0.067 R)
• M19: 9,993,138 km (0.087 R)
• M20: 13,427,606 km (0.118 R)
• M21: 14,497,679 km (0.036 R)
• M22: 16,730,427 km (0.118 R)
• M23: 18,126,924 km (0.084 R)
• M24: 19,599,266 km (0.119 R)
• M25: 23,530,548 km (0.065 R)
• M26: 23,816,280 km (0.091 R)
• M27: 24,008,065 km (0.077 R)
• M28: 26,288,086 km (0.107 R)
• M29: 26,698,882 km (0.105 R)
• M30: 28,384,700 km (0.088 R)
• M31: 29,916,881 km (0.105 R)
• M32: 38,018,204 km (0.113 R)
• M33: 41,104,708 km (0.119 R)
• M34: 44,790,051 km (0.115 R)
• M35: 46,863,029 km (0.078 R)
• M36: 51,678,734 km (0.092 R)
• M37: 53,792,851 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.3

Radius: 5.2

Gravity: 30.26 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.71 AU - 13.09 AU

Year: 23607 Days

Day: 24.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 90,172,383 km

• M1: 75,248 km (0.087 R)
• M2: 807,380 km (0.09 R)
• M3: 1,024,147 km (0.089 R)
• M4: 1,189,901 km (0.109 R)
• M5: 2,042,759 km (0.114 R)
• M6: 3,073,039 km (0.095 R)
• M7: 3,422,051 km (0.115 R)
• M8: 3,700,902 km (0.094 R)
• M9: 4,482,401 km (0.079 R)
• M10: 5,575,961 km (0.099 R)
• M11: 7,740,343 km (0.085 R)
• M12: 9,539,856 km (0.079 R)
• M13: 10,092,321 km (0.106 R)
• M14: 10,344,543 km (0.042 R)
• M15: 13,029,227 km (0.088 R)
• M16: 15,138,257 km (0.111 R)
• M17: 15,973,911 km (0.098 R)
• M18: 16,316,640 km (0.039 R)
• M19: 16,751,970 km (0.079 R)
• M20: 20,618,177 km (0.046 R)
• M21: 22,275,422 km (0.08 R)
• M22: 23,465,174 km (0.114 R)
• M23: 24,019,584 km (0.109 R)
• M24: 24,810,508 km (0.101 R)
• M25: 25,502,099 km (0.096 R)
• M26: 28,397,416 km (0.052 R)
• M27: 28,900,364 km (0.07 R)
• M28: 29,409,146 km (0.094 R)
• M29: 29,794,810 km (0.047 R)
• M30: 30,053,614 km (0.09 R)
• M31: 36,283,168 km (0.119 R)
• M32: 39,153,204 km (0.059 R)
• M33: 42,008,428 km (0.103 R)
• M34: 44,154,709 km (0.077 R)
• M35: 64,016,968 km (0.12 R)
• M36: 71,149,645 km (0.084 R)
• M37: 74,906,646 km (0.072 R)
• M38: 75,145,853 km (0.09 R)
• M39: 75,866,167 km (0.087 R)
• M40: 76,349,068 km (0.119 R)
• M41: 79,537,298 km (0.12 R)
• M42: 84,355,098 km (0.076 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 12,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit