🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.8

Radius: 8.5

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.59 AU - 0.63 AU

Year: 318 Days

Day: 11.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,505,227 km

• M1: 109,954 km (0.065 R)
• M2: 500,554 km (0.081 R)
• M3: 1,010,085 km (0.108 R)
• M4: 1,708,707 km (0.066 R)
• M5: 2,148,225 km (0.082 R)
• M6: 2,670,472 km (0.118 R)
• M7: 3,560,579 km (0.046 R)
• M8: 3,851,397 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.6

Radius: 9.2

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.7 AU - 0.98 AU

Year: 513 Days

Day: 5.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,505,227 km

• M1: 114,592 km (0.062 R)
• M2: 448,794 km (0.11 R)
• M3: 825,930 km (0.087 R)
• M4: 1,187,657 km (0.112 R)
• M5: 2,020,170 km (0.085 R)
• M6: 2,857,469 km (0.048 R)
• M7: 3,648,692 km (0.076 R)
• M8: 4,009,373 km (0.101 R)
• M9: 4,547,925 km (0.079 R)
• M10: 5,168,008 km (0.025 R)
• M11: 5,732,890 km (0.116 R)
• M12: 6,106,585 km (0.093 R)
• M13: 6,758,533 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.2

Radius: 13.2

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.55 AU - 2.15 AU

Year: 1678 Days

Day: 14.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,505,227 km

• M1: 164,258 km (0.07 R)
• M2: 595,549 km (0.072 R)
• M3: 1,079,049 km (0.074 R)
• M4: 2,734,799 km (0.104 R)
• M5: 3,433,720 km (0.05 R)
• M6: 4,146,703 km (0.092 R)
• M7: 4,657,131 km (0.114 R)
• M8: 7,085,105 km (0.084 R)
• M9: 7,817,835 km (0.116 R)
• M10: 10,010,641 km (0.07 R)
• M11: 11,032,843 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.4

Radius: 12.3

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.61 AU - 2.67 AU

Year: 2088 Days

Day: 12.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,505,227 km

• M1: 153,039 km (0.032 R)
• M2: 610,359 km (0.078 R)
• M3: 1,069,625 km (0.11 R)
• M4: 1,691,653 km (0.09 R)
• M5: 2,147,328 km (0.113 R)
• M6: 2,994,501 km (0.108 R)
• M7: 3,686,989 km (0.1 R)
• M8: 4,244,989 km (0.097 R)
• M9: 4,710,538 km (0.077 R)
• M10: 5,165,166 km (0.118 R)
• M11: 5,914,651 km (0.102 R)
• M12: 6,735,495 km (0.092 R)
• M13: 7,257,741 km (0.05 R)
• M14: 7,718,502 km (0.071 R)
• M15: 8,477,562 km (0.07 R)
• M16: 10,430,412 km (0.109 R)
• M17: 11,435,112 km (0.118 R)
• M18: 11,862,513 km (0.101 R)
• M19: 12,957,120 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.5

Radius: 11.8

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.52 AU - 2.92 AU

Year: 2991 Days

Day: 6.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,505,227 km

• M1: 147,952 km (0.099 R)
• M2: 847,173 km (0.115 R)
• M3: 1,685,519 km (0.098 R)
• M4: 2,791,197 km (0.073 R)
• M5: 3,198,552 km (0.102 R)
• M6: 4,530,272 km (0.088 R)
• M7: 5,931,855 km (0.087 R)
• M8: 7,200,445 km (0.109 R)
• M9: 8,251,968 km (0.051 R)
• M10: 9,459,223 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.3

Radius: 9.8

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.7 AU - 4.12 AU

Year: 5156 Days

Day: 13.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,505,227 km

• M1: 122,221 km (0.062 R)
• M2: 561,441 km (0.093 R)
• M3: 1,038,359 km (0.105 R)
• M4: 1,370,616 km (0.039 R)
• M5: 2,136,856 km (0.092 R)
• M6: 2,448,618 km (0.068 R)
• M7: 3,531,407 km (0.071 R)
• M8: 4,672,839 km (0.067 R)
• M9: 5,569,678 km (0.118 R)
• M10: 6,805,955 km (0.08 R)
• M11: 7,488,570 km (0.114 R)
• M12: 8,030,115 km (0.119 R)
• M13: 9,354,205 km (0.114 R)
• M14: 10,863,797 km (0.117 R)
• M15: 13,241,207 km (0.066 R)
• M16: 16,480,001 km (0.055 R)
• M17: 17,396,437 km (0.101 R)
• M18: 18,998,930 km (0.113 R)
• M19: 19,531,947 km (0.089 R)
• M20: 21,333,255 km (0.108 R)
• M21: 22,127,619 km (0.074 R)
• M22: 23,167,175 km (0.061 R)
• M23: 24,629,494 km (0.114 R)
• M24: 26,563,496 km (0.086 R)
• M25: 28,164,642 km (0.065 R)
• M26: 29,473,473 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976

Radius: 8.2

Gravity: 14.52 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.26 AU - 4.8 AU

Year: 6429 Days

Day: 6 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,505,227 km

• M1: 102,026 km (0.076 R)
• M2: 381,175 km (0.081 R)
• M3: 1,184,067 km (0.076 R)
• M4: 2,424,832 km (0.079 R)
• M5: 2,884,397 km (0.058 R)
• M6: 3,446,585 km (0.043 R)
• M7: 3,977,508 km (0.092 R)
• M8: 5,835,364 km (0.098 R)
• M9: 6,377,806 km (0.055 R)
• M10: 7,641,908 km (0.101 R)
• M11: 9,980,721 km (0.056 R)
• M12: 11,159,104 km (0.068 R)
• M13: 12,427,694 km (0.089 R)
• M14: 14,205,066 km (0.078 R)
• M15: 16,080,425 km (0.033 R)
• M16: 16,540,737 km (0.086 R)
• M17: 18,974,994 km (0.082 R)
• M18: 21,479,861 km (0.03 R)
• M19: 25,950,892 km (0.111 R)
• M20: 29,221,251 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.4

Radius: 14.4

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.48 AU - 5.84 AU

Year: 8980 Days

Day: 13.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,505,227 km

• M1: 192,383 km (0.099 R)
• M2: 860,487 km (0.072 R)
• M3: 1,335,460 km (0.074 R)
• M4: 2,137,155 km (0.102 R)
• M5: 3,265,871 km (0.093 R)
• M6: 3,762,237 km (0.057 R)
• M7: 4,336,693 km (0.084 R)
• M8: 4,849,813 km (0.095 R)
• M9: 5,340,046 km (0.094 R)
• M10: 7,806,466 km (0.091 R)
• M11: 9,015,516 km (0.064 R)
• M12: 9,856,555 km (0.082 R)
• M13: 10,954,902 km (0.089 R)
• M14: 11,749,417 km (0.11 R)
• M15: 12,984,198 km (0.111 R)
• M16: 14,996,139 km (0.071 R)
• M17: 18,356,257 km (0.091 R)
• M18: 22,524,203 km (0.114 R)
• M19: 29,444,750 km (0.086 R)
• M20: 34,660,630 km (0.12 R)
• M21: 36,722,089 km (0.108 R)
• M22: 38,743,006 km (0.099 R)
• M23: 43,135,648 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.4

Radius: 4.1

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.6 AU - 7.04 AU

Year: 9363 Days

Day: 19.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,505,227 km

• M1: 57,296 km (0.088 R)
• M2: 192,832 km (0.029 R)
• M3: 377,286 km (0.07 R)
• M4: 585,227 km (0.098 R)
• M5: 1,635,853 km (0.115 R)
• M6: 3,425,043 km (0.088 R)
• M7: 3,688,635 km (0.114 R)
• M8: 5,161,575 km (0.07 R)
• M9: 7,180,099 km (0.114 R)
• M10: 7,344,059 km (0.102 R)
• M11: 7,510,561 km (0.054 R)
• M12: 12,351,249 km (0.098 R)
• M13: 17,007,483 km (0.025 R)
• M14: 17,952,642 km (0.046 R)
• M15: 19,562,166 km (0.059 R)
• M16: 25,189,289 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.1

Radius: 7

Gravity: 18.27 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.2 AU - 11.02 AU

Year: 18336 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,505,227 km

• M1: 87,066 km (0.042 R)
• M2: 384,766 km (0.093 R)
• M3: 616,493 km (0.119 R)
• M4: 1,041,201 km (0.049 R)
• M5: 1,342,042 km (0.098 R)
• M6: 1,808,489 km (0.038 R)
• M7: 2,705,178 km (0.097 R)
• M8: 5,068,226 km (0.079 R)
• M9: 5,611,267 km (0.102 R)
• M10: 8,385,559 km (0.088 R)
• M11: 9,312,916 km (0.067 R)
• M12: 9,655,944 km (0.086 R)
• M13: 9,889,317 km (0.101 R)
• M14: 15,308,350 km (0.071 R)
• M15: 17,886,520 km (0.119 R)
• M16: 19,788,806 km (0.097 R)
• M17: 21,622,577 km (0.06 R)
• M18: 23,778,133 km (0.048 R)
• M19: 25,402,766 km (0.109 R)
• M20: 29,356,488 km (0.059 R)
• M21: 32,122,253 km (0.08 R)
• M22: 35,194,694 km (0.092 R)
• M23: 40,994,753 km (0.1 R)
• M24: 45,576,936 km (0.042 R)
• M25: 49,100,415 km (0.049 R)
• M26: 50,664,610 km (0.107 R)
• M27: 63,366,965 km (0.104 R)
• M28: 66,897,026 km (0.112 R)
• M29: 70,118,916 km (0.103 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: 488 - 17,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit