🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.7

Radius: 10.6

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.52 AU - 0.6 AU

Year: 284 Days

Day: 6.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,445,755 km

• M1: 132,245 km (0.104 R)
• M2: 472,580 km (0.074 R)
• M3: 802,892 km (0.111 R)
• M4: 1,155,793 km (0.074 R)
• M5: 1,768,097 km (0.085 R)
• M6: 2,233,795 km (0.113 R)
• M7: 2,876,767 km (0.079 R)
• M8: 3,263,478 km (0.108 R)
• M9: 4,450,985 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.3

Radius: 8.5

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.02 AU - 1.5 AU

Year: 959 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,445,755 km

• M1: 105,766 km (0.114 R)
• M2: 399,277 km (0.098 R)
• M3: 704,008 km (0.048 R)
• M4: 1,028,037 km (0.059 R)
• M5: 1,451,997 km (0.044 R)
• M6: 1,921,435 km (0.08 R)
• M7: 2,299,170 km (0.104 R)
• M8: 2,617,514 km (0.043 R)
• M9: 3,204,985 km (0.068 R)
• M10: 3,830,902 km (0.087 R)
• M11: 4,535,807 km (0.097 R)
• M12: 5,305,189 km (0.034 R)
• M13: 6,507,208 km (0.081 R)
• M14: 6,845,599 km (0.069 R)
• M15: 7,363,207 km (0.065 R)
• M16: 7,681,252 km (0.069 R)
• M17: 7,957,410 km (0.064 R)
• M18: 9,669,558 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456

Radius: 13.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.07 AU - 1.59 AU

Year: 1040 Days

Day: 11.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,445,755 km

• M1: 169,195 km (0.11 R)
• M2: 814,112 km (0.096 R)
• M3: 1,251,536 km (0.072 R)
• M4: 1,697,786 km (0.118 R)
• M5: 2,356,166 km (0.112 R)
• M6: 2,964,282 km (0.114 R)
• M7: 3,851,996 km (0.112 R)
• M8: 4,416,129 km (0.055 R)
• M9: 5,422,474 km (0.056 R)
• M10: 6,133,363 km (0.113 R)
• M11: 6,663,089 km (0.104 R)
• M12: 7,598,076 km (0.1 R)
• M13: 8,723,201 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755

Radius: 8.8

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.19 AU - 1.55 AU

Year: 1088 Days

Day: 14.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,445,755 km

• M1: 109,506 km (0.108 R)
• M2: 675,285 km (0.106 R)
• M3: 1,016,368 km (0.119 R)
• M4: 1,472,641 km (0.091 R)
• M5: 2,277,927 km (0.11 R)
• M6: 2,632,773 km (0.112 R)
• M7: 3,177,608 km (0.076 R)
• M8: 4,244,690 km (0.036 R)
• M9: 4,618,236 km (0.1 R)
• M10: 5,249,688 km (0.09 R)
• M11: 7,141,354 km (0.092 R)
• M12: 8,065,270 km (0.082 R)
• M13: 8,584,075 km (0.102 R)
• M14: 9,212,237 km (0.042 R)
• M15: 9,597,601 km (0.097 R)
• M16: 10,496,235 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.4

Radius: 9.2

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.5 AU - 1.5 AU

Year: 1246 Days

Day: 6.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,445,755 km

• M1: 114,442 km (0.108 R)
• M2: 409,898 km (0.095 R)
• M3: 975,079 km (0.067 R)
• M4: 1,744,012 km (0.112 R)
• M5: 2,033,783 km (0.087 R)
• M6: 2,411,069 km (0.063 R)
• M7: 2,748,562 km (0.082 R)
• M8: 3,051,797 km (0.101 R)
• M9: 3,391,384 km (0.049 R)
• M10: 3,894,033 km (0.112 R)
• M11: 4,344,472 km (0.113 R)
• M12: 4,938,076 km (0.118 R)
• M13: 5,525,397 km (0.112 R)
• M14: 7,544,969 km (0.101 R)
• M15: 9,436,185 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.4

Radius: 10

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.77 AU - 3.09 AU

Year: 3402 Days

Day: 8.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,445,755 km

• M1: 124,316 km (0.088 R)
• M2: 484,248 km (0.1 R)
• M3: 847,921 km (0.079 R)
• M4: 1,556,566 km (0.033 R)
• M5: 2,134,313 km (0.088 R)
• M6: 2,496,788 km (0.117 R)
• M7: 3,056,135 km (0.112 R)
• M8: 3,442,097 km (0.097 R)
• M9: 3,798,739 km (0.098 R)
• M10: 4,201,905 km (0.054 R)
• M11: 4,848,317 km (0.1 R)
• M12: 5,775,226 km (0.077 R)
• M13: 7,189,374 km (0.082 R)
• M14: 8,858,288 km (0.095 R)
• M15: 9,303,492 km (0.096 R)
• M16: 10,238,927 km (0.07 R)
• M17: 10,564,302 km (0.117 R)
• M18: 13,665,017 km (0.12 R)
• M19: 15,662,299 km (0.038 R)
• M20: 17,672,146 km (0.067 R)
• M21: 19,349,886 km (0.101 R)
• M22: 19,848,047 km (0.093 R)
• M23: 21,262,495 km (0.028 R)
• M24: 22,061,796 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.2

Radius: 4.6

Gravity: 43.39 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.32 AU - 6.76 AU

Year: 11344 Days

Day: 17.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,445,755 km

• M1: 63,579 km (0.079 R)
• M2: 247,136 km (0.1 R)
• M3: 635,941 km (0.107 R)
• M4: 821,741 km (0.044 R)
• M5: 1,009,486 km (0.093 R)
• M6: 1,386,623 km (0.083 R)
• M7: 1,546,543 km (0.077 R)
• M8: 1,702,723 km (0.066 R)
• M9: 2,540,621 km (0.065 R)
• M10: 3,208,426 km (0.095 R)
• M11: 6,731,156 km (0.108 R)
• M12: 7,497,247 km (0.091 R)
• M13: 7,901,311 km (0.056 R)
• M14: 8,655,434 km (0.085 R)
• M15: 9,559,753 km (0.086 R)
• M16: 11,672,673 km (0.046 R)
• M17: 13,415,339 km (0.093 R)
• M18: 16,567,515 km (0.073 R)
• M19: 20,265,724 km (0.114 R)
• M20: 21,581,438 km (0.052 R)
• M21: 23,995,050 km (0.072 R)
• M22: 34,952,944 km (0.119 R)
• M23: 39,326,139 km (0.093 R)
• M24: 42,482,654 km (0.099 R)
• M25: 53,612,885 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.3

Radius: 7.4

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.46 AU - 11.58 AU

Year: 19923 Days

Day: 16.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,445,755 km

• M1: 92,152 km (0.097 R)
• M2: 427,850 km (0.117 R)
• M3: 856,448 km (0.066 R)
• M4: 1,651,560 km (0.118 R)
• M5: 2,145,981 km (0.12 R)
• M6: 3,378,219 km (0.057 R)
• M7: 3,923,503 km (0.028 R)
• M8: 4,960,815 km (0.096 R)
• M9: 5,321,645 km (0.049 R)
• M10: 6,096,113 km (0.058 R)
• M11: 8,822,684 km (0.109 R)
• M12: 9,551,226 km (0.113 R)
• M13: 12,992,575 km (0.102 R)
• M14: 14,389,520 km (0.116 R)
• M15: 15,604,703 km (0.078 R)
• M16: 16,452,026 km (0.072 R)
• M17: 18,625,683 km (0.101 R)
• M18: 18,860,851 km (0.078 R)
• M19: 20,067,058 km (0.07 R)
• M20: 25,408,450 km (0.099 R)
• M21: 29,451,931 km (0.047 R)
• M22: 29,771,472 km (0.093 R)
• M23: 31,625,887 km (0.107 R)
• M24: 32,638,216 km (0.111 R)
• M25: 36,290,499 km (0.111 R)
• M26: 36,535,091 km (0.083 R)
• M27: 37,524,382 km (0.114 R)
• M28: 46,378,182 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.3

Radius: 4.8

Gravity: 20.28 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.58 AU - 11 AU

Year: 20776 Days

Day: 18.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,445,755 km

• M1: 59,989 km (0.12 R)
• M2: 368,011 km (0.069 R)
• M3: 537,954 km (0.112 R)
• M4: 1,821,952 km (0.085 R)
• M5: 2,104,692 km (0.07 R)
• M6: 2,781,473 km (0.077 R)
• M7: 3,370,290 km (0.075 R)
• M8: 5,479,321 km (0.069 R)
• M9: 6,027,448 km (0.038 R)
• M10: 11,605,354 km (0.025 R)
• M11: 12,114,585 km (0.115 R)
• M12: 12,506,232 km (0.091 R)
• M13: 12,705,198 km (0.112 R)
• M14: 12,973,875 km (0.102 R)
• M15: 16,104,809 km (0.065 R)
• M16: 18,824,050 km (0.12 R)
• M17: 21,077,143 km (0.098 R)
• M18: 22,905,229 km (0.101 R)
• M19: 23,705,578 km (0.119 R)
• M20: 27,427,124 km (0.12 R)
• M21: 28,672,676 km (0.11 R)
• M22: 32,760,139 km (0.096 R)
• M23: 33,775,459 km (0.097 R)
• M24: 41,476,010 km (0.109 R)
• M25: 44,795,886 km (0.116 R)
• M26: 54,741,152 km (0.1 R)
• M27: 56,530,043 km (0.057 R)
• M28: 60,412,557 km (0.117 R)
• M29: 62,515,454 km (0.041 R)
• M30: 68,497,723 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.7

Radius: 6.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.27 AU - 10.29 AU

Year: 22355 Days

Day: 15 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,445,755 km

• M1: 84,523 km (0.046 R)
• M2: 449,990 km (0.074 R)
• M3: 741,557 km (0.108 R)
• M4: 2,509,953 km (0.085 R)
• M5: 3,848,256 km (0.032 R)
• M6: 5,211,691 km (0.107 R)
• M7: 7,384,749 km (0.032 R)
• M8: 7,882,312 km (0.034 R)
• M9: 8,806,677 km (0.074 R)
• M10: 12,352,147 km (0.06 R)
• M11: 13,292,369 km (0.112 R)
• M12: 15,314,633 km (0.098 R)
• M13: 15,986,477 km (0.082 R)
• M14: 18,719,331 km (0.099 R)
• M15: 22,683,076 km (0.069 R)
• M16: 24,722,843 km (0.096 R)
• M17: 28,156,114 km (0.08 R)
• M18: 34,562,344 km (0.073 R)
• M19: 35,950,612 km (0.091 R)
• M20: 40,973,959 km (0.082 R)
• M21: 41,230,220 km (0.089 R)
• M22: 42,790,975 km (0.083 R)
• M23: 45,891,690 km (0.087 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: 207 - 11,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit