🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.9

Radius: 10.4

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.46 AU - 0.74 AU

Year: 321 Days

Day: 14.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,354,021 km

• M1: 129,402 km (0.085 R)
• M2: 486,193 km (0.027 R)
• M3: 886,667 km (0.109 R)
• M4: 1,404,275 km (0.092 R)
• M5: 1,781,411 km (0.109 R)
• M6: 2,163,036 km (0.087 R)
• M7: 3,279,335 km (0.101 R)
• M8: 3,941,156 km (0.04 R)
• M9: 4,297,797 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 9.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.08 AU - 1.1 AU

Year: 786 Days

Day: 7.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 90.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,354,021 km

• M1: 116,986 km (0.048 R)
• M2: 472,280 km (0.111 R)
• M3: 804,537 km (0.113 R)
• M4: 1,098,796 km (0.102 R)
• M5: 1,843,943 km (0.065 R)
• M6: 2,239,031 km (0.107 R)
• M7: 2,638,458 km (0.039 R)
• M8: 3,189,726 km (0.105 R)
• M9: 3,842,571 km (0.049 R)
• M10: 5,163,670 km (0.088 R)
• M11: 5,688,160 km (0.038 R)
• M12: 6,322,754 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.1

Radius: 8.3

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.29 AU - 2.51 AU

Year: 2566 Days

Day: 6.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,354,021 km

• M1: 103,223 km (0.091 R)
• M2: 416,181 km (0.079 R)
• M3: 725,998 km (0.12 R)
• M4: 1,063,491 km (0.059 R)
• M5: 1,370,017 km (0.04 R)
• M6: 2,244,417 km (0.098 R)
• M7: 2,911,773 km (0.08 R)
• M8: 3,378,967 km (0.094 R)
• M9: 5,563,994 km (0.11 R)
• M10: 6,446,471 km (0.115 R)
• M11: 7,600,619 km (0.093 R)
• M12: 7,972,370 km (0.036 R)
• M13: 8,259,149 km (0.111 R)
• M14: 8,718,714 km (0.045 R)
• M15: 8,989,037 km (0.115 R)
• M16: 9,334,758 km (0.09 R)
• M17: 10,052,827 km (0.105 R)
• M18: 10,845,995 km (0.083 R)
• M19: 11,477,747 km (0.054 R)
• M20: 12,386,105 km (0.089 R)
• M21: 12,901,470 km (0.104 R)
• M22: 13,746,548 km (0.104 R)
• M23: 14,205,814 km (0.09 R)
• M24: 14,962,031 km (0.104 R)
• M25: 15,844,509 km (0.113 R)
• M26: 16,349,551 km (0.103 R)
• M27: 17,074,503 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.3

Radius: 11.5

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.55 AU - 2.71 AU

Year: 2944 Days

Day: 5.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,354,021 km

• M1: 143,016 km (0.113 R)
• M2: 615,146 km (0.105 R)
• M3: 1,202,916 km (0.093 R)
• M4: 1,597,855 km (0.068 R)
• M5: 3,356,228 km (0.091 R)
• M6: 3,734,262 km (0.053 R)
• M7: 4,658,478 km (0.054 R)
• M8: 5,061,644 km (0.076 R)
• M9: 5,823,696 km (0.038 R)
• M10: 7,195,658 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.8

Radius: 14.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.74 AU - 3.68 AU

Year: 3970 Days

Day: 7 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,354,021 km

• M1: 180,565 km (0.065 R)
• M2: 698,173 km (0.116 R)
• M3: 1,162,226 km (0.118 R)
• M4: 2,056,223 km (0.054 R)
• M5: 2,959,794 km (0.079 R)
• M6: 3,914,827 km (0.069 R)
• M7: 4,513,069 km (0.098 R)
• M8: 6,220,429 km (0.079 R)
• M9: 6,747,612 km (0.106 R)
• M10: 8,967,644 km (0.054 R)
• M11: 12,107,255 km (0.065 R)
• M12: 15,021,870 km (0.109 R)
• M13: 15,803,818 km (0.082 R)
• M14: 23,885,394 km (0.045 R)
• M15: 26,128,166 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.7

Radius: 7.2

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.7 AU - 6.96 AU

Year: 12321 Days

Day: 20.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,354,021 km

• M1: 89,609 km (0.111 R)
• M2: 350,957 km (0.105 R)
• M3: 676,033 km (0.083 R)
• M4: 1,304,194 km (0.078 R)
• M5: 2,270,746 km (0.066 R)
• M6: 3,549,060 km (0.081 R)
• M7: 5,184,913 km (0.108 R)
• M8: 5,411,553 km (0.058 R)
• M9: 6,167,471 km (0.116 R)
• M10: 6,496,288 km (0.119 R)
• M11: 8,630,451 km (0.087 R)
• M12: 9,708,603 km (0.111 R)
• M13: 9,954,392 km (0.049 R)
• M14: 10,926,628 km (0.032 R)
• M15: 13,723,809 km (0.112 R)
• M16: 14,603,295 km (0.069 R)
• M17: 17,322,237 km (0.047 R)
• M18: 17,757,267 km (0.101 R)
• M19: 20,121,961 km (0.086 R)
• M20: 20,683,551 km (0.048 R)
• M21: 22,861,397 km (0.088 R)
• M22: 26,217,625 km (0.112 R)
• M23: 28,965,888 km (0.097 R)
• M24: 33,551,062 km (0.12 R)
• M25: 33,887,957 km (0.083 R)
• M26: 34,912,104 km (0.103 R)
• M27: 43,193,543 km (0.102 R)
• M28: 46,452,233 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.5

Radius: 4.7

Gravity: 28.18 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.26 AU - 8.44 AU

Year: 12375 Days

Day: 20.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,354,021 km

• M1: 58,493 km (0.094 R)
• M2: 335,249 km (0.093 R)
• M3: 486,043 km (0.098 R)
• M4: 788,231 km (0.076 R)
• M5: 1,194,689 km (0.09 R)
• M6: 1,516,324 km (0.044 R)
• M7: 2,490,655 km (0.081 R)
• M8: 3,253,903 km (0.118 R)
• M9: 3,454,065 km (0.083 R)
• M10: 4,075,794 km (0.064 R)
• M11: 6,270,993 km (0.069 R)
• M12: 6,943,136 km (0.098 R)
• M13: 7,882,611 km (0.114 R)
• M14: 9,001,005 km (0.089 R)
• M15: 10,168,167 km (0.088 R)
• M16: 10,542,611 km (0.033 R)
• M17: 11,605,204 km (0.114 R)
• M18: 11,779,336 km (0.062 R)
• M19: 12,922,563 km (0.059 R)
• M20: 13,746,100 km (0.077 R)
• M21: 14,203,719 km (0.04 R)
• M22: 16,353,291 km (0.084 R)
• M23: 19,516,538 km (0.071 R)
• M24: 21,458,169 km (0.061 R)
• M25: 23,156,254 km (0.104 R)
• M26: 26,716,385 km (0.058 R)
• M27: 29,425,303 km (0.08 R)
• M28: 30,624,629 km (0.075 R)
• M29: 32,772,106 km (0.12 R)
• M30: 40,741,933 km (0.095 R)
• M31: 41,010,012 km (0.078 R)
• M32: 46,181,461 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.7

Radius: 5

Gravity: 32.31 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.04 AU - 9.44 AU

Year: 14864 Days

Day: 23.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,354,021 km

• M1: 62,233 km (0.107 R)
• M2: 275,858 km (0.118 R)
• M3: 528,529 km (0.059 R)
• M4: 843,134 km (0.114 R)
• M5: 1,104,182 km (0.108 R)
• M6: 1,344,735 km (0.114 R)
• M7: 2,141,344 km (0.11 R)
• M8: 2,408,675 km (0.101 R)
• M9: 2,839,068 km (0.066 R)
• M10: 3,735,160 km (0.052 R)
• M11: 4,247,682 km (0.057 R)
• M12: 4,874,497 km (0.072 R)
• M13: 6,946,876 km (0.114 R)
• M14: 7,349,145 km (0.08 R)
• M15: 7,909,539 km (0.112 R)
• M16: 8,249,275 km (0.112 R)
• M17: 9,380,534 km (0.061 R)
• M18: 11,205,180 km (0.108 R)
• M19: 11,510,210 km (0.109 R)
• M20: 14,653,411 km (0.055 R)
• M21: 15,165,783 km (0.071 R)
• M22: 24,147,041 km (0.091 R)
• M23: 24,861,371 km (0.108 R)
• M24: 25,067,966 km (0.087 R)
• M25: 25,800,397 km (0.096 R)
• M26: 31,572,032 km (0.103 R)
• M27: 34,820,550 km (0.044 R)
• M28: 35,079,354 km (0.046 R)
• M29: 39,958,788 km (0.086 R)
• M30: 40,957,354 km (0.042 R)
• M31: 46,827,125 km (0.115 R)
• M32: 48,256,982 km (0.051 R)
• M33: 49,879,520 km (0.1 R)
• M34: 50,870,307 km (0.109 R)
• M35: 51,036,810 km (0.039 R)
• M36: 51,874,258 km (0.111 R)
• M37: 53,233,206 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.4

Radius: 3.5

Gravity: 59.3 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.43 AU - 9.65 AU

Year: 18761 Days

Day: 21.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 163.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,354,021 km

• M1: 43,533 km (0.053 R)
• M2: 901,327 km (0.081 R)
• M3: 1,290,282 km (0.026 R)
• M4: 2,090,331 km (0.091 R)
• M5: 2,524,464 km (0.092 R)
• M6: 2,787,457 km (0.061 R)
• M7: 3,202,292 km (0.109 R)
• M8: 3,368,046 km (0.071 R)
• M9: 4,554,058 km (0.117 R)
• M10: 5,828,931 km (0.107 R)
• M11: 8,108,504 km (0.057 R)
• M12: 9,111,258 km (0.087 R)
• M13: 10,432,058 km (0.065 R)
• M14: 11,358,966 km (0.081 R)
• M15: 14,542,409 km (0.089 R)
• M16: 15,150,674 km (0.081 R)
• M17: 17,160,671 km (0.035 R)
• M18: 18,098,799 km (0.07 R)
• M19: 18,448,260 km (0.093 R)
• M20: 20,169,832 km (0.077 R)
• M21: 20,925,601 km (0.044 R)
• M22: 23,823,910 km (0.071 R)
• M23: 25,314,204 km (0.119 R)
• M24: 26,193,091 km (0.1 R)
• M25: 28,244,676 km (0.11 R)
• M26: 28,361,662 km (0.046 R)
• M27: 31,897,557 km (0.069 R)
• M28: 33,968,740 km (0.104 R)
• M29: 43,930,612 km (0.1 R)
• M30: 56,783,462 km (0.113 R)
• M31: 61,961,792 km (0.087 R)
• M32: 63,956,830 km (0.118 R)
• M33: 65,583,407 km (0.053 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 19,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit