🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.9

Radius: 13.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.89 AU - 1.23 AU

Year: 716 Days

Day: 13.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,527,270 km

• M1: 175,927 km (0.061 R)
• M2: 605,423 km (0.044 R)
• M3: 1,382,135 km (0.056 R)
• M4: 2,035,728 km (0.083 R)
• M5: 2,528,503 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.1

Radius: 12.7

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.79 AU - 3.39 AU

Year: 3563 Days

Day: 9.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,527,270 km

• M1: 313,557 km (0.053 R)
• M2: 712,235 km (0.109 R)
• M3: 1,949,260 km (0.082 R)
• M4: 2,401,195 km (0.076 R)
• M5: 2,923,292 km (0.032 R)
• M6: 3,765,079 km (0.081 R)
• M7: 4,220,904 km (0.105 R)
• M8: 7,309,502 km (0.066 R)
• M9: 9,122,478 km (0.106 R)
• M10: 10,698,791 km (0.094 R)
• M11: 11,846,057 km (0.089 R)
• M12: 13,319,297 km (0.028 R)
• M13: 14,593,871 km (0.042 R)
• M14: 15,071,985 km (0.061 R)
• M15: 16,116,029 km (0.097 R)
• M16: 16,569,759 km (0.1 R)
• M17: 17,502,951 km (0.078 R)
• M18: 21,384,567 km (0.078 R)
• M19: 25,575,252 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.3

Radius: 10.3

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.44 AU - 5.64 AU

Year: 7423 Days

Day: 6.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,527,270 km

• M1: 139,126 km (0.033 R)
• M2: 534,064 km (0.085 R)
• M3: 886,367 km (0.055 R)
• M4: 1,423,573 km (0.084 R)
• M5: 1,855,462 km (0.086 R)
• M6: 2,986,871 km (0.109 R)
• M7: 3,536,643 km (0.082 R)
• M8: 3,998,601 km (0.078 R)
• M9: 4,418,523 km (0.09 R)
• M10: 5,378,492 km (0.119 R)
• M11: 6,092,074 km (0.038 R)
• M12: 8,402,314 km (0.061 R)
• M13: 9,182,916 km (0.104 R)
• M14: 9,823,045 km (0.064 R)
• M15: 12,299,488 km (0.084 R)
• M16: 15,544,416 km (0.064 R)
• M17: 16,059,780 km (0.073 R)
• M18: 17,743,654 km (0.093 R)
• M19: 22,260,313 km (0.074 R)
• M20: 25,574,953 km (0.094 R)
• M21: 26,202,815 km (0.119 R)
• M22: 27,396,157 km (0.119 R)
• M23: 29,497,708 km (0.11 R)
• M24: 30,889,866 km (0.076 R)
• M25: 33,590,407 km (0.081 R)
• M26: 35,771,992 km (0.037 R)
• M27: 38,864,779 km (0.098 R)
• M28: 40,294,934 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 9.3

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.44 AU - 6.88 AU

Year: 8834 Days

Day: 8.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,527,270 km

• M1: 115,639 km (0.099 R)
• M2: 542,143 km (0.061 R)
• M3: 1,215,931 km (0.084 R)
• M4: 1,801,009 km (0.084 R)
• M5: 2,563,659 km (0.101 R)
• M6: 3,082,913 km (0.085 R)
• M7: 3,487,126 km (0.101 R)
• M8: 3,948,187 km (0.118 R)
• M9: 5,122,081 km (0.075 R)
• M10: 5,524,201 km (0.06 R)
• M11: 13,050,170 km (0.093 R)
• M12: 21,779,655 km (0.1 R)
• M13: 26,213,586 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.5

Radius: 4.2

Gravity: 46.06 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.09 AU - 6.77 AU

Year: 10696 Days

Day: 18.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,527,270 km

• M1: 52,359 km (0.102 R)
• M2: 194,627 km (0.072 R)
• M3: 952,190 km (0.109 R)
• M4: 1,154,746 km (0.119 R)
• M5: 1,498,073 km (0.048 R)
• M6: 1,773,184 km (0.076 R)
• M7: 2,027,500 km (0.072 R)
• M8: 2,325,200 km (0.082 R)
• M9: 3,470,671 km (0.073 R)
• M10: 3,759,843 km (0.058 R)
• M11: 6,880,006 km (0.031 R)
• M12: 7,506,672 km (0.054 R)
• M13: 14,344,341 km (0.052 R)
• M14: 19,268,505 km (0.072 R)
• M15: 20,005,424 km (0.103 R)
• M16: 22,328,679 km (0.103 R)
• M17: 24,634,581 km (0.092 R)
• M18: 37,805,476 km (0.078 R)
• M19: 40,399,354 km (0.072 R)
• M20: 50,255,909 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900

Radius: 6.7

Gravity: 20.05 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.98 AU - 8.8 AU

Year: 14539 Days

Day: 16 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,527,270 km

• M1: 161,267 km (0.042 R)
• M2: 374,743 km (0.114 R)
• M3: 912,846 km (0.079 R)
• M4: 1,498,073 km (0.085 R)
• M5: 1,882,091 km (0.049 R)
• M6: 2,393,267 km (0.058 R)
• M7: 3,302,074 km (0.12 R)
• M8: 3,688,934 km (0.105 R)
• M9: 4,586,671 km (0.094 R)
• M10: 5,033,370 km (0.115 R)
• M11: 5,249,090 km (0.068 R)
• M12: 5,660,634 km (0.096 R)
• M13: 6,256,333 km (0.105 R)
• M14: 6,892,871 km (0.047 R)
• M15: 7,665,694 km (0.053 R)
• M16: 8,244,937 km (0.086 R)
• M17: 9,545,092 km (0.07 R)
• M18: 9,876,451 km (0.115 R)
• M19: 11,401,602 km (0.108 R)
• M20: 11,900,810 km (0.092 R)
• M21: 12,155,874 km (0.094 R)
• M22: 12,479,903 km (0.117 R)
• M23: 18,993,095 km (0.084 R)
• M24: 21,335,499 km (0.099 R)
• M25: 22,478,875 km (0.116 R)
• M26: 25,939,672 km (0.089 R)
• M27: 29,739,608 km (0.075 R)
• M28: 32,263,174 km (0.056 R)
• M29: 39,118,946 km (0.103 R)
• M30: 39,541,709 km (0.093 R)
• M31: 47,522,008 km (0.078 R)
• M32: 48,326,096 km (0.052 R)
• M33: 55,087,770 km (0.118 R)
• M34: 56,511,792 km (0.077 R)
• M35: 65,773,247 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812

Radius: 3.2

Gravity: 79.3 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.98 AU - 8.72 AU

Year: 15828 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,527,270 km

• M1: 39,793 km (0.117 R)
• M2: 286,480 km (0.119 R)
• M3: 475,721 km (0.095 R)
• M4: 803,490 km (0.107 R)
• M5: 991,684 km (0.04 R)
• M6: 1,128,716 km (0.076 R)
• M7: 2,317,421 km (0.105 R)
• M8: 4,061,881 km (0.073 R)
• M9: 4,380,974 km (0.07 R)
• M10: 5,105,177 km (0.117 R)
• M11: 7,143,448 km (0.1 R)
• M12: 8,091,599 km (0.066 R)
• M13: 8,908,104 km (0.061 R)
• M14: 13,755,075 km (0.045 R)
• M15: 15,979,147 km (0.099 R)
• M16: 20,198,705 km (0.113 R)
• M17: 21,883,027 km (0.051 R)
• M18: 22,269,588 km (0.098 R)
• M19: 22,857,956 km (0.118 R)
• M20: 29,089,904 km (0.06 R)
• M21: 31,110,373 km (0.042 R)
• M22: 31,599,109 km (0.051 R)
• M23: 31,845,348 km (0.115 R)
• M24: 40,707,525 km (0.074 R)
• M25: 42,030,270 km (0.109 R)
• M26: 42,328,119 km (0.086 R)
• M27: 42,477,567 km (0.064 R)
• M28: 45,072,043 km (0.1 R)
• M29: 54,715,720 km (0.099 R)
• M30: 58,335,540 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.1

Radius: 3.7

Gravity: 45.22 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.7 AU - 9.5 AU

Year: 18008 Days

Day: 19.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 47,527,270 km

• M1: 67,618 km (0.108 R)
• M2: 306,227 km (0.11 R)
• M3: 538,852 km (0.07 R)
• M4: 1,583,344 km (0.1 R)
• M5: 2,188,617 km (0.067 R)
• M6: 2,623,199 km (0.117 R)
• M7: 3,352,189 km (0.109 R)
• M8: 3,603,514 km (0.094 R)
• M9: 4,303,033 km (0.116 R)
• M10: 4,599,835 km (0.118 R)
• M11: 4,875,095 km (0.077 R)
• M12: 5,088,572 km (0.105 R)
• M13: 5,234,429 km (0.108 R)
• M14: 5,806,193 km (0.099 R)
• M15: 6,334,423 km (0.092 R)
• M16: 8,210,081 km (0.05 R)
• M17: 9,852,665 km (0.082 R)
• M18: 12,344,517 km (0.08 R)
• M19: 13,490,437 km (0.088 R)
• M20: 14,124,881 km (0.077 R)
• M21: 14,779,073 km (0.111 R)
• M22: 15,529,306 km (0.026 R)
• M23: 16,943,305 km (0.055 R)
• M24: 18,958,837 km (0.096 R)
• M25: 19,133,717 km (0.082 R)
• M26: 21,128,605 km (0.102 R)
• M27: 21,983,258 km (0.067 R)
• M28: 22,370,417 km (0.081 R)
• M29: 23,058,717 km (0.114 R)
• M30: 33,972,779 km (0.115 R)
• M31: 37,019,190 km (0.099 R)
• M32: 38,678,529 km (0.044 R)
• M33: 41,406,297 km (0.078 R)
• M34: 41,700,706 km (0.114 R)
• M35: 49,191,370 km (0.056 R)
• M36: 50,019,544 km (0.116 R)
• M37: 51,874,408 km (0.065 R)
• M38: 55,007,735 km (0.093 R)
• M39: 56,801,713 km (0.11 R)
• M40: 61,456,750 km (0.088 R)
• M41: 63,192,833 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142

Radius: 4.3

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 9.23 AU - 11.37 AU

Year: 21685 Days

Day: 16.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,527,270 km

• M1: 54,454 km (0.102 R)
• M2: 216,917 km (0.085 R)
• M3: 505,790 km (0.109 R)
• M4: 957,127 km (0.117 R)
• M5: 1,335,311 km (0.082 R)
• M6: 4,826,775 km (0.057 R)
• M7: 8,570,612 km (0.084 R)
• M8: 10,256,580 km (0.084 R)
• M9: 10,776,283 km (0.118 R)
• M10: 10,935,455 km (0.118 R)
• M11: 13,272,323 km (0.099 R)
• M12: 14,849,384 km (0.067 R)
• M13: 18,750,148 km (0.025 R)
• M14: 19,604,651 km (0.081 R)
• M15: 30,249,437 km (0.107 R)
• M16: 35,358,654 km (0.083 R)
• M17: 35,710,508 km (0.078 R)
• M18: 37,505,084 km (0.094 R)
• M19: 40,499,734 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 11,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit