🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.3

Radius: 8.9

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.7 AU - 0.72 AU

Year: 406 Days

Day: 9 Hours

Environment

Temp: -153 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,909,854 km

• M1: 110,702 km (0.077 R)
• M2: 407,505 km (0.095 R)
• M3: 728,392 km (0.119 R)
• M4: 1,033,422 km (0.068 R)
• M5: 1,341,893 km (0.112 R)
• M6: 1,663,977 km (0.116 R)
• M7: 2,738,389 km (0.119 R)
• M8: 3,661,109 km (0.118 R)
• M9: 4,246,186 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.1

Radius: 15

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.78 AU - 1.02 AU

Year: 579 Days

Day: 6.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,909,854 km

• M1: 186,698 km (0.074 R)
• M2: 675,285 km (0.061 R)
• M3: 1,179,130 km (0.071 R)
• M4: 1,765,105 km (0.065 R)
• M5: 2,860,311 km (0.079 R)
• M6: 3,846,161 km (0.116 R)
• M7: 4,673,587 km (0.072 R)
• M8: 5,153,048 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.2

Radius: 11.8

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.04 AU - 1.22 AU

Year: 815 Days

Day: 7.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,909,854 km

• M1: 146,756 km (0.035 R)
• M2: 531,820 km (0.11 R)
• M3: 1,044,343 km (0.074 R)
• M4: 1,457,233 km (0.091 R)
• M5: 1,962,425 km (0.107 R)
• M6: 2,485,419 km (0.097 R)
• M7: 3,424,295 km (0.075 R)
• M8: 3,843,468 km (0.116 R)
• M9: 4,375,887 km (0.026 R)
• M10: 5,132,404 km (0.08 R)
• M11: 6,213,697 km (0.042 R)
• M12: 6,862,354 km (0.113 R)
• M13: 7,259,536 km (0.099 R)
• M14: 7,742,288 km (0.104 R)
• M15: 8,197,365 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.8

Radius: 12.4

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.32 AU - 1.38 AU

Year: 1064 Days

Day: 9.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,909,854 km

• M1: 154,235 km (0.102 R)
• M2: 617,690 km (0.109 R)
• M3: 1,083,238 km (0.064 R)
• M4: 1,590,525 km (0.11 R)
• M5: 2,094,071 km (0.073 R)
• M6: 3,225,031 km (0.054 R)
• M7: 3,625,205 km (0.066 R)
• M8: 4,366,612 km (0.119 R)
• M9: 4,934,486 km (0.077 R)
• M10: 5,407,664 km (0.058 R)
• M11: 6,041,660 km (0.083 R)
• M12: 7,585,958 km (0.064 R)
• M13: 8,083,671 km (0.074 R)
• M14: 9,202,812 km (0.12 R)
• M15: 10,390,919 km (0.084 R)
• M16: 11,204,731 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.1

Radius: 9.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.79 AU - 2.67 AU

Year: 2259 Days

Day: 13.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,909,854 km

• M1: 116,088 km (0.073 R)
• M2: 743,352 km (0.102 R)
• M3: 1,069,924 km (0.075 R)
• M4: 2,027,799 km (0.073 R)
• M5: 2,388,629 km (0.101 R)
• M6: 5,712,993 km (0.077 R)
• M7: 6,288,646 km (0.093 R)
• M8: 6,925,334 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.6

Radius: 12.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.8 AU - 2.9 AU

Year: 3263 Days

Day: 6.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,909,854 km

• M1: 156,629 km (0.083 R)
• M2: 572,511 km (0.081 R)
• M3: 1,082,341 km (0.1 R)
• M4: 1,586,934 km (0.094 R)
• M5: 2,060,262 km (0.093 R)
• M6: 2,818,125 km (0.068 R)
• M7: 4,746,292 km (0.04 R)
• M8: 5,717,780 km (0.079 R)
• M9: 9,102,432 km (0.072 R)
• M10: 11,684,192 km (0.109 R)
• M11: 18,247,649 km (0.12 R)
• M12: 20,238,049 km (0.104 R)
• M13: 21,577,847 km (0.115 R)
• M14: 22,236,228 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.7

Radius: 8.2

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.91 AU - 5.83 AU

Year: 7289 Days

Day: 11.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 165.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,909,854 km

• M1: 102,475 km (0.118 R)
• M2: 468,241 km (0.055 R)
• M3: 828,922 km (0.095 R)
• M4: 1,171,351 km (0.087 R)
• M5: 1,594,863 km (0.025 R)
• M6: 2,117,707 km (0.07 R)
• M7: 2,607,491 km (0.098 R)
• M8: 2,898,309 km (0.113 R)
• M9: 3,354,732 km (0.033 R)
• M10: 4,906,960 km (0.12 R)
• M11: 6,956,301 km (0.1 R)
• M12: 10,168,317 km (0.095 R)
• M13: 10,800,966 km (0.045 R)
• M14: 11,316,331 km (0.119 R)
• M15: 12,345,564 km (0.109 R)
• M16: 12,961,010 km (0.062 R)
• M17: 14,364,687 km (0.087 R)
• M18: 15,807,259 km (0.108 R)
• M19: 17,280,648 km (0.095 R)
• M20: 17,598,694 km (0.088 R)
• M21: 18,312,275 km (0.114 R)
• M22: 19,659,105 km (0.032 R)
• M23: 20,926,498 km (0.104 R)
• M24: 21,949,299 km (0.043 R)
• M25: 24,331,944 km (0.045 R)
• M26: 26,124,127 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.9

Radius: 7.2

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.68 AU - 6.78 AU

Year: 9303 Days

Day: 18.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 47,909,854 km

• M1: 89,759 km (0.111 R)
• M2: 382,821 km (0.12 R)
• M3: 641,176 km (0.095 R)
• M4: 1,110,764 km (0.111 R)
• M5: 1,991,148 km (0.113 R)
• M6: 2,547,951 km (0.107 R)
• M7: 2,842,659 km (0.066 R)
• M8: 3,226,228 km (0.104 R)
• M9: 3,815,942 km (0.096 R)
• M10: 4,202,952 km (0.09 R)
• M11: 5,085,729 km (0.078 R)
• M12: 6,651,720 km (0.096 R)
• M13: 7,060,122 km (0.117 R)
• M14: 7,367,695 km (0.072 R)
• M15: 7,845,660 km (0.087 R)
• M16: 10,601,104 km (0.095 R)
• M17: 12,892,045 km (0.07 R)
• M18: 13,410,252 km (0.05 R)
• M19: 14,122,637 km (0.105 R)
• M20: 14,365,584 km (0.112 R)
• M21: 14,611,374 km (0.094 R)
• M22: 14,985,368 km (0.081 R)
• M23: 16,951,533 km (0.09 R)
• M24: 19,306,204 km (0.106 R)
• M25: 21,388,307 km (0.091 R)
• M26: 22,359,945 km (0.06 R)
• M27: 23,191,859 km (0.091 R)
• M28: 25,272,466 km (0.115 R)
• M29: 25,721,110 km (0.069 R)
• M30: 26,358,098 km (0.066 R)
• M31: 27,192,405 km (0.054 R)
• M32: 28,816,290 km (0.044 R)
• M33: 29,602,277 km (0.095 R)
• M34: 30,808,185 km (0.12 R)
• M35: 31,526,405 km (0.092 R)
• M36: 32,046,407 km (0.045 R)
• M37: 32,677,710 km (0.088 R)
• M38: 37,331,999 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.9

Radius: 3.2

Gravity: 93.15 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.54 AU - 8.76 AU

Year: 12967 Days

Day: 22.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,909,854 km

• M1: 39,793 km (0.075 R)
• M2: 149,747 km (0.087 R)
• M3: 281,244 km (0.056 R)
• M4: 404,662 km (0.108 R)
• M5: 854,802 km (0.118 R)
• M6: 1,157,888 km (0.092 R)
• M7: 1,348,326 km (0.062 R)
• M8: 1,934,899 km (0.108 R)
• M9: 2,104,692 km (0.112 R)
• M10: 2,325,798 km (0.109 R)
• M11: 3,502,834 km (0.078 R)
• M12: 4,922,967 km (0.044 R)
• M13: 5,132,703 km (0.09 R)
• M14: 6,435,551 km (0.075 R)
• M15: 9,510,086 km (0.085 R)
• M16: 14,620,798 km (0.064 R)
• M17: 22,045,939 km (0.086 R)
• M18: 23,881,505 km (0.09 R)
• M19: 27,524,961 km (0.117 R)
• M20: 27,853,478 km (0.075 R)
• M21: 38,012,221 km (0.111 R)
• M22: 41,352,741 km (0.097 R)
• M23: 50,385,012 km (0.1 R)
• M24: 59,910,058 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.3

Radius: 4.5

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.18 AU - 8.66 AU

Year: 15117 Days

Day: 24.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,909,854 km

• M1: 67,319 km (0.118 R)
• M2: 312,360 km (0.104 R)
• M3: 630,705 km (0.064 R)
• M4: 821,741 km (0.114 R)
• M5: 1,247,347 km (0.117 R)
• M6: 1,744,610 km (0.07 R)
• M7: 1,903,783 km (0.052 R)
• M8: 2,196,845 km (0.081 R)
• M9: 2,440,839 km (0.108 R)
• M10: 2,916,560 km (0.088 R)
• M11: 3,426,988 km (0.109 R)
• M12: 5,515,374 km (0.04 R)
• M13: 6,366,586 km (0.088 R)
• M14: 6,784,563 km (0.12 R)
• M15: 7,099,915 km (0.116 R)
• M16: 7,383,852 km (0.118 R)
• M17: 8,871,603 km (0.077 R)
• M18: 10,289,342 km (0.111 R)
• M19: 11,460,842 km (0.108 R)
• M20: 12,135,978 km (0.048 R)
• M21: 12,718,512 km (0.082 R)
• M22: 16,329,505 km (0.111 R)
• M23: 17,621,283 km (0.08 R)
• M24: 20,487,578 km (0.038 R)
• M25: 21,145,659 km (0.1 R)
• M26: 21,480,010 km (0.082 R)
• M27: 22,331,222 km (0.116 R)
• M28: 34,478,420 km (0.109 R)
• M29: 37,930,091 km (0.053 R)
• M30: 40,697,203 km (0.056 R)
• M31: 41,867,058 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 19,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit