🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.5

Radius: 10.6

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.57 AU - 0.59 AU

Year: 295 Days

Day: 10.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,449,052 km

• M1: 131,796 km (0.089 R)
• M2: 598,990 km (0.101 R)
• M3: 974,630 km (0.077 R)
• M4: 1,549,535 km (0.12 R)
• M5: 1,938,040 km (0.042 R)
• M6: 2,271,943 km (0.031 R)
• M7: 2,749,010 km (0.085 R)
• M8: 3,346,953 km (0.052 R)
• M9: 4,718,167 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.2

Radius: 10.3

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.64 AU - 0.94 AU

Year: 468 Days

Day: 14.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,449,052 km

• M1: 128,056 km (0.078 R)
• M2: 451,636 km (0.065 R)
• M3: 799,002 km (0.089 R)
• M4: 1,156,840 km (0.116 R)
• M5: 1,567,187 km (0.111 R)
• M6: 2,014,635 km (0.116 R)
• M7: 2,836,376 km (0.109 R)
• M8: 3,282,476 km (0.089 R)
• M9: 3,775,102 km (0.031 R)
• M10: 4,179,615 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.4

Radius: 11.9

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1 AU - 1.58 AU

Year: 977 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,449,052 km

• M1: 147,952 km (0.087 R)
• M2: 708,196 km (0.12 R)
• M3: 1,113,457 km (0.099 R)
• M4: 2,116,810 km (0.112 R)
• M5: 2,773,245 km (0.115 R)
• M6: 3,378,818 km (0.119 R)
• M7: 4,344,023 km (0.119 R)
• M8: 4,981,011 km (0.071 R)
• M9: 5,919,588 km (0.112 R)
• M10: 6,770,201 km (0.063 R)
• M11: 8,767,183 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.8

Radius: 9.2

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.31 AU - 1.41 AU

Year: 1058 Days

Day: 14.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,449,052 km

• M1: 114,442 km (0.069 R)
• M2: 490,831 km (0.1 R)
• M3: 959,521 km (0.105 R)
• M4: 1,576,163 km (0.074 R)
• M5: 1,862,344 km (0.112 R)
• M6: 2,157,650 km (0.034 R)
• M7: 3,925,747 km (0.049 R)
• M8: 4,262,343 km (0.096 R)
• M9: 4,721,159 km (0.054 R)
• M10: 5,039,952 km (0.109 R)
• M11: 5,504,005 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.5

Radius: 13.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.11 AU - 2.71 AU

Year: 2495 Days

Day: 9.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 85,449,052 km

• M1: 165,455 km (0.117 R)
• M2: 579,243 km (0.092 R)
• M3: 1,108,969 km (0.088 R)
• M4: 1,605,784 km (0.071 R)
• M5: 2,264,762 km (0.098 R)
• M6: 3,005,571 km (0.046 R)
• M7: 3,579,727 km (0.066 R)
• M8: 4,129,500 km (0.026 R)
• M9: 5,730,795 km (0.115 R)
• M10: 6,916,059 km (0.055 R)
• M11: 8,635,986 km (0.102 R)
• M12: 9,978,178 km (0.085 R)
• M13: 10,589,136 km (0.098 R)
• M14: 11,378,115 km (0.094 R)
• M15: 13,457,675 km (0.062 R)
• M16: 14,070,428 km (0.089 R)
• M17: 14,610,326 km (0.072 R)
• M18: 16,960,210 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795

Radius: 12.5

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.74 AU - 4.2 AU

Year: 4310 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,449,052 km

• M1: 155,432 km (0.111 R)
• M2: 575,802 km (0.098 R)
• M3: 998,865 km (0.063 R)
• M4: 1,627,176 km (0.08 R)
• M5: 2,082,851 km (0.116 R)
• M6: 2,476,294 km (0.08 R)
• M7: 2,938,102 km (0.081 R)
• M8: 3,622,812 km (0.113 R)
• M9: 4,245,139 km (0.056 R)
• M10: 5,562,049 km (0.066 R)
• M11: 6,361,350 km (0.077 R)
• M12: 7,720,148 km (0.045 R)
• M13: 8,753,719 km (0.108 R)
• M14: 9,711,146 km (0.079 R)
• M15: 10,258,375 km (0.097 R)
• M16: 11,739,992 km (0.116 R)
• M17: 13,462,761 km (0.117 R)
• M18: 15,348,442 km (0.097 R)
• M19: 16,383,959 km (0.113 R)
• M20: 17,404,216 km (0.112 R)
• M21: 19,505,019 km (0.088 R)
• M22: 20,996,211 km (0.063 R)
• M23: 22,271,832 km (0.102 R)
• M24: 24,434,718 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.8

Radius: 10.9

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.27 AU - 4.05 AU

Year: 4669 Days

Day: 9.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,449,052 km

• M1: 137,032 km (0.049 R)
• M2: 663,467 km (0.112 R)
• M3: 1,039,406 km (0.091 R)
• M4: 1,702,125 km (0.115 R)
• M5: 2,373,819 km (0.117 R)
• M6: 3,252,407 km (0.119 R)
• M7: 3,950,431 km (0.098 R)
• M8: 4,429,593 km (0.11 R)
• M9: 5,234,429 km (0.085 R)
• M10: 5,728,402 km (0.095 R)
• M11: 6,374,216 km (0.055 R)
• M12: 6,970,513 km (0.115 R)
• M13: 8,130,195 km (0.102 R)
• M14: 8,494,616 km (0.118 R)
• M15: 9,694,391 km (0.1 R)
• M16: 11,047,952 km (0.107 R)
• M17: 12,049,061 km (0.105 R)
• M18: 12,571,756 km (0.103 R)
• M19: 13,510,333 km (0.086 R)
• M20: 14,869,430 km (0.041 R)
• M21: 15,749,963 km (0.066 R)
• M22: 16,664,904 km (0.104 R)
• M23: 17,918,983 km (0.117 R)
• M24: 19,170,967 km (0.1 R)
• M25: 20,749,075 km (0.107 R)
• M26: 21,988,344 km (0.059 R)
• M27: 22,412,155 km (0.096 R)
• M28: 26,002,055 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.4

Radius: 5.8

Gravity: 14.55 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.82 AU - 7.34 AU

Year: 9997 Days

Day: 19 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,449,052 km

• M1: 72,106 km (0.087 R)
• M2: 321,635 km (0.104 R)
• M3: 1,321,847 km (0.045 R)
• M4: 1,768,097 km (0.115 R)
• M5: 2,238,583 km (0.115 R)
• M6: 3,472,765 km (0.058 R)
• M7: 3,715,562 km (0.119 R)
• M8: 4,484,495 km (0.116 R)
• M9: 5,354,557 km (0.038 R)
• M10: 5,580,449 km (0.064 R)
• M11: 6,658,452 km (0.076 R)
• M12: 9,218,520 km (0.108 R)
• M13: 9,732,688 km (0.115 R)
• M14: 10,971,957 km (0.094 R)
• M15: 13,284,740 km (0.057 R)
• M16: 13,699,425 km (0.1 R)
• M17: 16,102,864 km (0.056 R)
• M18: 21,159,871 km (0.098 R)
• M19: 22,384,030 km (0.066 R)
• M20: 27,182,083 km (0.049 R)
• M21: 27,658,253 km (0.086 R)
• M22: 29,021,089 km (0.105 R)
• M23: 30,224,305 km (0.053 R)
• M24: 33,052,602 km (0.118 R)
• M25: 35,145,477 km (0.098 R)
• M26: 40,327,846 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.6

Radius: 8

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.53 AU - 6.93 AU

Year: 10370 Days

Day: 20.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,449,052 km

• M1: 439,519 km (0.061 R)
• M2: 1,042,847 km (0.116 R)
• M3: 2,971,313 km (0.11 R)
• M4: 7,793,750 km (0.064 R)
• M5: 8,218,309 km (0.052 R)
• M6: 10,072,724 km (0.11 R)
• M7: 14,769,648 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.3

Radius: 4.3

Gravity: 43.07 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.62 AU - 11 AU

Year: 22076 Days

Day: 23.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,449,052 km

• M1: 54,005 km (0.103 R)
• M2: 324,777 km (0.114 R)
• M3: 473,028 km (0.094 R)
• M4: 878,738 km (0.095 R)
• M5: 2,524,314 km (0.095 R)
• M6: 3,321,821 km (0.108 R)
• M7: 4,629,157 km (0.102 R)
• M8: 9,497,520 km (0.078 R)
• M9: 11,051,393 km (0.066 R)
• M10: 12,623,517 km (0.089 R)
• M11: 15,211,560 km (0.071 R)
• M12: 16,629,150 km (0.079 R)
• M13: 16,801,486 km (0.047 R)
• M14: 19,724,030 km (0.075 R)
• M15: 20,802,033 km (0.075 R)
• M16: 31,398,947 km (0.112 R)
• M17: 37,392,287 km (0.057 R)
• M18: 40,578,123 km (0.097 R)
• M19: 40,734,154 km (0.085 R)
• M20: 41,997,209 km (0.117 R)
• M21: 44,435,205 km (0.069 R)
• M22: 51,394,348 km (0.057 R)
• M23: 61,892,678 km (0.115 R)
• M24: 64,193,194 km (0.118 R)
• M25: 64,405,174 km (0.062 R)
• M26: 73,501,024 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 16,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit