🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.1

Radius: 9.1

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.41 AU - 0.65 AU

Year: 257 Days

Day: 12 Hours

Environment

Temp: -132 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,593,532 km

• M1: 113,246 km (0.093 R)
• M2: 435,629 km (0.108 R)
• M3: 930,050 km (0.11 R)
• M4: 1,213,987 km (0.032 R)
• M5: 1,593,666 km (0.09 R)
• M6: 1,922,482 km (0.114 R)
• M7: 2,265,061 km (0.102 R)
• M8: 2,828,447 km (0.108 R)
• M9: 3,133,776 km (0.115 R)
• M10: 3,492,961 km (0.082 R)
• M11: 4,030,466 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.2

Radius: 11.3

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.5 AU - 0.58 AU

Year: 265 Days

Day: 13.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,593,532 km

• M1: 140,472 km (0.032 R)
• M2: 630,405 km (0.115 R)
• M3: 1,195,437 km (0.118 R)
• M4: 1,610,271 km (0.115 R)
• M5: 2,391,172 km (0.11 R)
• M6: 3,041,175 km (0.102 R)
• M7: 3,474,560 km (0.116 R)
• M8: 4,059,039 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.2

Radius: 9.6

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.57 AU - 0.83 AU

Year: 391 Days

Day: 5.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,593,532 km

• M1: 119,379 km (0.114 R)
• M2: 460,612 km (0.079 R)
• M3: 913,594 km (0.1 R)
• M4: 1,296,565 km (0.114 R)
• M5: 1,606,083 km (0.031 R)
• M6: 1,957,937 km (0.103 R)
• M7: 2,352,427 km (0.039 R)
• M8: 2,682,739 km (0.11 R)
• M9: 3,023,074 km (0.102 R)
• M10: 3,553,249 km (0.043 R)
• M11: 3,902,859 km (0.115 R)
• M12: 4,368,707 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.7

Radius: 12.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.67 AU - 1.09 AU

Year: 550 Days

Day: 14.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,593,532 km

• M1: 159,172 km (0.066 R)
• M2: 613,052 km (0.074 R)
• M3: 1,494,782 km (0.115 R)
• M4: 1,912,758 km (0.038 R)
• M5: 2,657,157 km (0.081 R)
• M6: 3,118,816 km (0.061 R)
• M7: 4,652,793 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827

Radius: 11

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.89 AU - 2.17 AU

Year: 1929 Days

Day: 14.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,593,532 km

• M1: 137,929 km (0.035 R)
• M2: 499,956 km (0.071 R)
• M3: 861,385 km (0.078 R)
• M4: 1,443,470 km (0.035 R)
• M5: 2,064,899 km (0.12 R)
• M6: 3,136,918 km (0.084 R)
• M7: 3,643,456 km (0.115 R)
• M8: 4,362,872 km (0.092 R)
• M9: 5,062,392 km (0.115 R)
• M10: 5,616,951 km (0.069 R)
• M11: 5,983,765 km (0.06 R)
• M12: 6,418,945 km (0.079 R)
• M13: 7,210,169 km (0.1 R)
• M14: 7,882,910 km (0.085 R)
• M15: 9,052,466 km (0.093 R)
• M16: 9,870,767 km (0.106 R)
• M17: 11,151,624 km (0.114 R)
• M18: 11,852,041 km (0.081 R)
• M19: 12,294,252 km (0.108 R)
• M20: 12,873,046 km (0.099 R)
• M21: 13,340,540 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859

Radius: 10

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.03 AU - 4.29 AU

Year: 4669 Days

Day: 9.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,593,532 km

• M1: 124,914 km (0.045 R)
• M2: 463,305 km (0.116 R)
• M3: 1,851,573 km (0.12 R)
• M4: 2,167,524 km (0.069 R)
• M5: 2,657,307 km (0.081 R)
• M6: 3,361,913 km (0.079 R)
• M7: 3,837,185 km (0.114 R)
• M8: 5,421,427 km (0.114 R)
• M9: 5,892,959 km (0.095 R)
• M10: 6,553,135 km (0.049 R)
• M11: 7,054,288 km (0.07 R)
• M12: 7,762,035 km (0.105 R)
• M13: 8,209,034 km (0.097 R)
• M14: 9,611,663 km (0.119 R)
• M15: 10,215,141 km (0.109 R)
• M16: 10,798,124 km (0.076 R)
• M17: 13,565,984 km (0.062 R)
• M18: 15,113,274 km (0.078 R)
• M19: 15,459,594 km (0.116 R)
• M20: 16,288,366 km (0.077 R)
• M21: 18,555,372 km (0.12 R)
• M22: 20,178,808 km (0.113 R)
• M23: 22,939,637 km (0.12 R)
• M24: 23,783,668 km (0.111 R)
• M25: 24,095,579 km (0.053 R)
• M26: 26,523,403 km (0.117 R)
• M27: 27,367,584 km (0.097 R)
• M28: 27,969,117 km (0.109 R)
• M29: 30,098,792 km (0.088 R)
• M30: 30,463,961 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.8

Radius: 4.7

Gravity: 25.93 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.4 AU - 7.3 AU

Year: 10671 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,593,532 km

• M1: 61,186 km (0.103 R)
• M2: 351,854 km (0.109 R)
• M3: 785,538 km (0.11 R)
• M4: 965,056 km (0.113 R)
• M5: 2,482,876 km (0.043 R)
• M6: 3,881,915 km (0.057 R)
• M7: 4,553,610 km (0.059 R)
• M8: 8,153,383 km (0.086 R)
• M9: 11,556,735 km (0.05 R)
• M10: 16,986,240 km (0.12 R)
• M11: 18,080,399 km (0.09 R)
• M12: 20,489,074 km (0.067 R)
• M13: 22,151,555 km (0.08 R)
• M14: 27,379,103 km (0.104 R)
• M15: 36,493,653 km (0.072 R)
• M16: 43,442,623 km (0.09 R)
• M17: 46,452,383 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749

Radius: 6.3

Gravity: 18.87 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.09 AU - 10.47 AU

Year: 20396 Days

Day: 16.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,593,532 km

• M1: 78,389 km (0.106 R)
• M2: 373,845 km (0.106 R)
• M3: 572,661 km (0.114 R)
• M4: 923,168 km (0.08 R)
• M5: 1,505,254 km (0.116 R)
• M6: 1,801,458 km (0.12 R)
• M7: 3,008,114 km (0.111 R)
• M8: 3,597,978 km (0.111 R)
• M9: 3,811,006 km (0.118 R)
• M10: 4,032,411 km (0.072 R)
• M11: 4,295,852 km (0.116 R)
• M12: 5,309,976 km (0.039 R)
• M13: 5,872,913 km (0.106 R)
• M14: 8,907,656 km (0.096 R)
• M15: 10,115,359 km (0.109 R)
• M16: 14,464,469 km (0.073 R)
• M17: 14,849,085 km (0.094 R)
• M18: 17,647,911 km (0.065 R)
• M19: 20,106,702 km (0.094 R)
• M20: 21,967,849 km (0.072 R)
• M21: 23,941,045 km (0.114 R)
• M22: 24,479,148 km (0.05 R)
• M23: 33,684,055 km (0.101 R)
• M24: 35,182,577 km (0.104 R)
• M25: 38,605,077 km (0.09 R)
• M26: 39,344,988 km (0.083 R)
• M27: 42,087,117 km (0.052 R)
• M28: 43,984,317 km (0.067 R)
• M29: 49,320,922 km (0.081 R)
• M30: 56,958,791 km (0.118 R)
• M31: 60,658,795 km (0.085 R)
• M32: 67,888,112 km (0.114 R)
• M33: 77,529,695 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.9

Radius: 7.3

Gravity: 17.45 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.86 AU - 11.88 AU

Year: 20678 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,593,532 km

• M1: 90,806 km (0.085 R)
• M2: 369,806 km (0.115 R)
• M3: 1,451,548 km (0.062 R)
• M4: 1,900,043 km (0.09 R)
• M5: 2,858,067 km (0.107 R)
• M6: 7,521,482 km (0.072 R)
• M7: 10,029,939 km (0.067 R)
• M8: 11,776,344 km (0.094 R)
• M9: 12,051,305 km (0.106 R)
• M10: 12,685,600 km (0.079 R)
• M11: 16,111,092 km (0.118 R)
• M12: 22,228,448 km (0.056 R)
• M13: 26,791,782 km (0.111 R)
• M14: 27,148,274 km (0.115 R)
• M15: 29,733,325 km (0.031 R)
• M16: 32,075,878 km (0.107 R)
• M17: 36,539,430 km (0.113 R)
• M18: 37,716,615 km (0.088 R)
• M19: 38,314,707 km (0.119 R)
• M20: 41,717,311 km (0.089 R)
• M21: 48,410,320 km (0.112 R)
• M22: 54,443,751 km (0.108 R)
• M23: 59,133,495 km (0.115 R)
• M24: 64,510,491 km (0.112 R)
• M25: 68,417,988 km (0.083 R)
• M26: 78,385,544 km (0.12 R)
• M27: 80,094,550 km (0.098 R)
• M28: 86,142,792 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.6

Radius: 6.1

Gravity: 15.15 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.21 AU - 10.53 AU

Year: 22269 Days

Day: 21.1 Hours

Environment

Temp: -246 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,593,532 km

• M1: 75,846 km (0.104 R)
• M2: 669,750 km (0.09 R)
• M3: 1,436,289 km (0.091 R)
• M4: 1,828,535 km (0.101 R)
• M5: 2,444,728 km (0.082 R)
• M6: 4,175,875 km (0.106 R)
• M7: 11,532,201 km (0.059 R)
• M8: 12,258,947 km (0.104 R)
• M9: 14,546,897 km (0.095 R)
• M10: 14,774,884 km (0.05 R)
• M11: 15,005,414 km (0.092 R)
• M12: 15,394,818 km (0.041 R)
• M13: 16,357,031 km (0.107 R)
• M14: 17,615,299 km (0.092 R)
• M15: 24,778,045 km (0.091 R)
• M16: 28,517,094 km (0.05 R)
• M17: 30,334,559 km (0.107 R)
• M18: 31,970,860 km (0.111 R)
• M19: 36,387,438 km (0.109 R)
• M20: 41,650,890 km (0.081 R)
• M21: 54,200,505 km (0.05 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 13,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit