🌌 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: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.6

Radius: 8.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.74 AU - 0.98 AU

Year: 515 Days

Day: 8.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,551,655 km

• M1: 109,057 km (0.113 R)
• M2: 464,501 km (0.116 R)
• M3: 872,305 km (0.11 R)
• M4: 1,472,791 km (0.116 R)
• M5: 2,072,678 km (0.076 R)
• M6: 2,852,981 km (0.094 R)
• M7: 3,168,333 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 9.8

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.12 AU - 1.72 AU

Year: 1093 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,551,655 km

• M1: 121,922 km (0.111 R)
• M2: 506,090 km (0.096 R)
• M3: 838,646 km (0.111 R)
• M4: 1,299,407 km (0.113 R)
• M5: 1,644,081 km (0.068 R)
• M6: 2,388,928 km (0.061 R)
• M7: 3,239,841 km (0.102 R)
• M8: 4,743,300 km (0.11 R)
• M9: 5,259,263 km (0.102 R)
• M10: 5,573,717 km (0.047 R)
• M11: 7,469,272 km (0.109 R)
• M12: 10,107,730 km (0.12 R)
• M13: 10,463,922 km (0.095 R)
• M14: 10,895,811 km (0.114 R)
• M15: 11,653,525 km (0.094 R)
• M16: 12,009,418 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.2

Radius: 12.2

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.61 AU - 2.15 AU

Year: 1664 Days

Day: 6.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,551,655 km

• M1: 151,692 km (0.088 R)
• M2: 539,450 km (0.083 R)
• M3: 1,297,014 km (0.119 R)
• M4: 1,726,210 km (0.059 R)
• M5: 2,754,246 km (0.055 R)
• M6: 3,192,119 km (0.104 R)
• M7: 3,575,688 km (0.116 R)
• M8: 3,972,422 km (0.058 R)
• M9: 5,084,981 km (0.117 R)
• M10: 6,174,353 km (0.085 R)
• M11: 6,646,334 km (0.077 R)
• M12: 7,468,225 km (0.086 R)
• M13: 8,238,355 km (0.054 R)
• M14: 8,749,830 km (0.07 R)
• M15: 9,186,955 km (0.112 R)
• M16: 11,083,557 km (0.026 R)
• M17: 13,391,553 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.8

Radius: 11.4

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.62 AU - 2.62 AU

Year: 1993 Days

Day: 9.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,551,655 km

• M1: 141,819 km (0.087 R)
• M2: 757,264 km (0.058 R)
• M3: 1,524,103 km (0.057 R)
• M4: 2,015,981 km (0.049 R)
• M5: 2,530,448 km (0.111 R)
• M6: 2,886,042 km (0.12 R)
• M7: 3,611,891 km (0.113 R)
• M8: 4,639,479 km (0.099 R)
• M9: 5,044,291 km (0.072 R)
• M10: 5,542,452 km (0.088 R)
• M11: 5,949,657 km (0.1 R)
• M12: 7,579,077 km (0.053 R)
• M13: 9,725,507 km (0.115 R)
• M14: 11,275,790 km (0.067 R)
• M15: 12,532,262 km (0.113 R)
• M16: 13,236,569 km (0.092 R)
• M17: 13,663,073 km (0.039 R)
• M18: 14,364,537 km (0.076 R)
• M19: 14,860,604 km (0.097 R)
• M20: 15,228,614 km (0.108 R)
• M21: 15,792,000 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.8

Radius: 9.6

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.25 AU - 4.97 AU

Year: 5380 Days

Day: 5.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,551,655 km

• M1: 129,552 km (0.051 R)
• M2: 431,291 km (0.104 R)
• M3: 968,048 km (0.063 R)
• M4: 2,269,998 km (0.054 R)
• M5: 2,687,376 km (0.104 R)
• M6: 3,840,327 km (0.059 R)
• M7: 4,155,679 km (0.117 R)
• M8: 5,443,567 km (0.086 R)
• M9: 6,528,900 km (0.067 R)
• M10: 7,714,463 km (0.098 R)
• M11: 8,218,907 km (0.071 R)
• M12: 8,995,619 km (0.109 R)
• M13: 9,686,911 km (0.071 R)
• M14: 10,136,752 km (0.08 R)
• M15: 10,553,531 km (0.037 R)
• M16: 11,470,716 km (0.079 R)
• M17: 11,872,536 km (0.088 R)
• M18: 13,026,085 km (0.101 R)
• M19: 16,109,596 km (0.088 R)
• M20: 17,258,957 km (0.107 R)
• M21: 18,393,806 km (0.11 R)
• M22: 20,663,804 km (0.069 R)
• M23: 22,562,650 km (0.114 R)
• M24: 22,955,943 km (0.08 R)
• M25: 28,038,979 km (0.044 R)
• M26: 30,937,887 km (0.106 R)
• M27: 33,620,625 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.3

Radius: 8.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.35 AU - 5.99 AU

Year: 8717 Days

Day: 11.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,551,655 km

• M1: 108,159 km (0.12 R)
• M2: 1,329,327 km (0.11 R)
• M3: 3,143,500 km (0.054 R)
• M4: 4,597,741 km (0.114 R)
• M5: 5,129,412 km (0.118 R)
• M6: 5,779,265 km (0.103 R)
• M7: 8,092,646 km (0.058 R)
• M8: 8,457,516 km (0.114 R)
• M9: 17,108,760 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.6

Radius: 10.3

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.72 AU - 5.74 AU

Year: 8856 Days

Day: 5.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,551,655 km

• M1: 128,804 km (0.109 R)
• M2: 530,324 km (0.113 R)
• M3: 1,060,499 km (0.074 R)
• M4: 1,399,937 km (0.11 R)
• M5: 1,876,256 km (0.057 R)
• M6: 3,592,593 km (0.053 R)
• M7: 4,376,785 km (0.078 R)
• M8: 4,887,362 km (0.116 R)
• M9: 5,504,603 km (0.117 R)
• M10: 6,508,106 km (0.039 R)
• M11: 8,059,286 km (0.118 R)
• M12: 10,045,796 km (0.1 R)
• M13: 10,406,028 km (0.092 R)
• M14: 11,207,274 km (0.118 R)
• M15: 12,397,475 km (0.085 R)
• M16: 12,812,310 km (0.053 R)
• M17: 14,305,596 km (0.066 R)
• M18: 15,567,603 km (0.112 R)
• M19: 19,717,897 km (0.108 R)
• M20: 21,447,847 km (0.083 R)
• M21: 30,982,467 km (0.107 R)
• M22: 40,620,908 km (0.035 R)
• M23: 41,011,807 km (0.08 R)
• M24: 44,644,941 km (0.034 R)
• M25: 47,614,908 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.6

Radius: 4.3

Gravity: 33.67 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.34 AU - 9.62 AU

Year: 15944 Days

Day: 21.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,551,655 km

• M1: 53,406 km (0.113 R)
• M2: 219,909 km (0.117 R)
• M3: 435,180 km (0.05 R)
• M4: 606,919 km (0.032 R)
• M5: 2,089,583 km (0.087 R)
• M6: 2,328,790 km (0.086 R)
• M7: 3,926,047 km (0.089 R)
• M8: 5,193,589 km (0.085 R)
• M9: 8,752,373 km (0.067 R)
• M10: 9,215,528 km (0.118 R)
• M11: 9,913,103 km (0.059 R)
• M12: 11,473,259 km (0.11 R)
• M13: 13,057,201 km (0.094 R)
• M14: 14,354,364 km (0.088 R)
• M15: 19,267,607 km (0.097 R)
• M16: 22,810,833 km (0.091 R)
• M17: 26,871,817 km (0.099 R)
• M18: 27,302,659 km (0.081 R)
• M19: 32,714,960 km (0.068 R)
• M20: 34,203,010 km (0.098 R)
• M21: 34,582,091 km (0.076 R)
• M22: 36,782,526 km (0.084 R)
• M23: 37,313,598 km (0.034 R)
• M24: 46,364,718 km (0.089 R)
• M25: 46,828,921 km (0.099 R)
• M26: 49,035,938 km (0.099 R)
• M27: 51,311,322 km (0.116 R)
• M28: 57,840,072 km (0.116 R)
• M29: 58,018,991 km (0.034 R)
• M30: 58,378,026 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.8

Radius: 5.1

Gravity: 25.48 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10.73 AU - 11.17 AU

Year: 23396 Days

Day: 24.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,551,655 km

• M1: 63,579 km (0.099 R)
• M2: 302,487 km (0.112 R)
• M3: 473,627 km (0.073 R)
• M4: 1,053,019 km (0.085 R)
• M5: 1,896,153 km (0.113 R)
• M6: 2,120,699 km (0.057 R)
• M7: 4,644,565 km (0.106 R)
• M8: 6,073,823 km (0.115 R)
• M9: 7,620,665 km (0.108 R)
• M10: 12,283,032 km (0.098 R)
• M11: 12,492,918 km (0.114 R)
• M12: 18,643,335 km (0.067 R)
• M13: 20,154,124 km (0.094 R)
• M14: 20,939,364 km (0.053 R)
• M15: 25,512,421 km (0.107 R)
• M16: 26,083,885 km (0.117 R)
• M17: 27,729,312 km (0.094 R)
• M18: 28,090,591 km (0.096 R)
• M19: 29,944,707 km (0.114 R)
• M20: 39,988,408 km (0.116 R)
• M21: 41,539,738 km (0.093 R)
• M22: 43,778,470 km (0.091 R)
• M23: 65,286,904 km (0.057 R)
• M24: 73,008,997 km (0.071 R)
• M25: 77,445,322 km (0.041 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 13,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit