🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 14.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.9 AU - 0.9 AU

Year: 579 Days

Day: 7.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,659,015 km

• M1: 181,612 km (0.103 R)
• M2: 788,830 km (0.098 R)
• M3: 1,437,785 km (0.061 R)
• M4: 2,163,335 km (0.094 R)
• M5: 3,073,787 km (0.08 R)
• M6: 3,624,308 km (0.095 R)
• M7: 4,114,241 km (0.115 R)

Planet 2 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.2

Radius: 5

Gravity: 39.61 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.34 AU - 7.52 AU

Year: 11059 Days

Day: 19.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,659,015 km

• M1: 62,233 km (0.097 R)
• M2: 434,731 km (0.097 R)
• M3: 613,800 km (0.112 R)
• M4: 832,961 km (0.104 R)
• M5: 1,279,361 km (0.092 R)
• M6: 1,474,137 km (0.119 R)
• M7: 1,688,810 km (0.062 R)
• M8: 1,854,565 km (0.1 R)
• M9: 2,049,640 km (0.089 R)
• M10: 2,947,527 km (0.117 R)
• M11: 3,391,982 km (0.065 R)
• M12: 7,518,490 km (0.109 R)
• M13: 8,249,874 km (0.114 R)
• M14: 8,927,851 km (0.118 R)
• M15: 9,229,441 km (0.093 R)
• M16: 9,642,181 km (0.059 R)
• M17: 10,954,304 km (0.112 R)
• M18: 11,892,432 km (0.031 R)
• M19: 13,203,508 km (0.048 R)
• M20: 13,661,128 km (0.097 R)
• M21: 14,607,933 km (0.096 R)
• M22: 14,956,496 km (0.076 R)
• M23: 15,670,227 km (0.071 R)
• M24: 16,782,936 km (0.045 R)
• M25: 25,577,646 km (0.109 R)
• M26: 25,880,581 km (0.1 R)
• M27: 26,288,235 km (0.117 R)
• M28: 29,043,080 km (0.108 R)
• M29: 31,288,694 km (0.098 R)
• M30: 32,927,688 km (0.1 R)
• M31: 34,011,076 km (0.112 R)
• M32: 42,409,351 km (0.102 R)
• M33: 44,851,835 km (0.088 R)
• M34: 46,481,255 km (0.102 R)
• M35: 49,700,901 km (0.108 R)
• M36: 53,558,880 km (0.105 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.9

Radius: 5.3

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.98 AU - 7.12 AU

Year: 12696 Days

Day: 23 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,659,015 km

• M1: 70,610 km (0.12 R)
• M2: 410,048 km (0.111 R)
• M3: 1,303,895 km (0.091 R)
• M4: 2,579,366 km (0.107 R)
• M5: 5,050,873 km (0.106 R)
• M6: 6,058,115 km (0.066 R)
• M7: 7,000,732 km (0.117 R)
• M8: 10,560,114 km (0.093 R)
• M9: 11,121,255 km (0.117 R)
• M10: 11,755,849 km (0.085 R)
• M11: 12,526,428 km (0.042 R)
• M12: 14,599,256 km (0.069 R)
• M13: 17,941,273 km (0.035 R)
• M14: 18,373,610 km (0.116 R)
• M15: 19,942,144 km (0.113 R)
• M16: 20,562,377 km (0.102 R)
• M17: 28,646,347 km (0.107 R)
• M18: 29,336,142 km (0.066 R)
• M19: 33,383,662 km (0.099 R)
• M20: 38,856,551 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.6

Radius: 3.3

Gravity: 57.26 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.99 AU - 10.25 AU

Year: 18680 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,659,015 km

• M1: 40,990 km (0.111 R)
• M2: 168,896 km (0.049 R)
• M3: 329,415 km (0.054 R)
• M4: 579,393 km (0.1 R)
• M5: 1,051,523 km (0.084 R)
• M6: 1,307,485 km (0.107 R)
• M7: 1,473,838 km (0.118 R)
• M8: 1,671,307 km (0.118 R)
• M9: 1,776,325 km (0.04 R)
• M10: 3,245,227 km (0.066 R)
• M11: 3,725,137 km (0.095 R)
• M12: 4,650,250 km (0.097 R)
• M13: 5,221,265 km (0.112 R)
• M14: 6,080,854 km (0.042 R)
• M15: 6,458,290 km (0.104 R)
• M16: 8,025,477 km (0.112 R)
• M17: 8,479,207 km (0.039 R)
• M18: 8,738,610 km (0.096 R)
• M19: 11,315,733 km (0.118 R)
• M20: 11,630,187 km (0.064 R)
• M21: 12,408,246 km (0.117 R)
• M22: 12,742,447 km (0.08 R)
• M23: 16,262,485 km (0.119 R)
• M24: 17,649,856 km (0.06 R)
• M25: 19,739,888 km (0.053 R)
• M26: 22,974,643 km (0.088 R)
• M27: 28,809,708 km (0.108 R)
• M28: 30,348,471 km (0.098 R)
• M29: 31,941,090 km (0.109 R)
• M30: 35,425,225 km (0.09 R)
• M31: 42,832,563 km (0.104 R)
• M32: 43,441,726 km (0.105 R)
• M33: 44,366,241 km (0.049 R)
• M34: 56,320,756 km (0.056 R)
• M35: 56,685,476 km (0.068 R)
• M36: 59,094,151 km (0.102 R)
• M37: 64,711,551 km (0.107 R)
• M38: 64,911,414 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.6

Radius: 4

Gravity: 38.73 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.89 AU - 10.47 AU

Year: 18865 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,659,015 km

• M1: 62,233 km (0.071 R)
• M2: 212,429 km (0.053 R)
• M3: 403,316 km (0.027 R)
• M4: 607,068 km (0.112 R)
• M5: 772,374 km (0.057 R)
• M6: 1,635,853 km (0.066 R)
• M7: 2,116,211 km (0.106 R)
• M8: 2,637,859 km (0.065 R)
• M9: 3,322,120 km (0.075 R)
• M10: 3,900,016 km (0.097 R)
• M11: 5,479,022 km (0.081 R)
• M12: 5,633,706 km (0.047 R)
• M13: 5,911,509 km (0.063 R)
• M14: 6,933,861 km (0.065 R)
• M15: 7,252,954 km (0.086 R)
• M16: 8,068,561 km (0.082 R)
• M17: 10,460,332 km (0.109 R)
• M18: 11,561,671 km (0.114 R)
• M19: 15,098,315 km (0.11 R)
• M20: 15,402,746 km (0.104 R)
• M21: 19,472,556 km (0.098 R)
• M22: 22,287,839 km (0.118 R)
• M23: 23,792,195 km (0.113 R)
• M24: 25,577,496 km (0.078 R)
• M25: 27,562,959 km (0.083 R)
• M26: 28,017,587 km (0.092 R)
• M27: 32,337,973 km (0.111 R)
• M28: 36,533,146 km (0.064 R)
• M29: 41,669,888 km (0.087 R)
• M30: 45,507,074 km (0.101 R)
• M31: 46,944,111 km (0.113 R)
• M32: 49,072,889 km (0.1 R)
• M33: 51,094,255 km (0.03 R)
• M34: 53,345,853 km (0.098 R)
• M35: 65,803,615 km (0.088 R)
• M36: 67,433,783 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.3

Radius: 3.6

Gravity: 72.25 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.74 AU - 9.72 AU

Year: 19019 Days

Day: 24.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,659,015 km

• M1: 45,179 km (0.073 R)
• M2: 178,919 km (0.029 R)
• M3: 505,042 km (0.093 R)
• M4: 1,050,775 km (0.082 R)
• M5: 3,085,755 km (0.108 R)
• M6: 3,338,127 km (0.032 R)
• M7: 3,454,813 km (0.118 R)
• M8: 4,775,164 km (0.061 R)
• M9: 8,518,252 km (0.085 R)
• M10: 10,555,626 km (0.093 R)
• M11: 13,329,170 km (0.044 R)
• M12: 16,133,981 km (0.103 R)
• M13: 16,806,573 km (0.096 R)
• M14: 17,410,350 km (0.115 R)
• M15: 18,207,557 km (0.057 R)
• M16: 24,154,222 km (0.094 R)
• M17: 33,927,750 km (0.095 R)
• M18: 41,518,645 km (0.095 R)
• M19: 43,740,024 km (0.047 R)
• M20: 44,879,810 km (0.106 R)
• M21: 54,159,516 km (0.091 R)
• M22: 60,940,637 km (0.07 R)
• M23: 63,389,854 km (0.086 R)
• M24: 67,616,143 km (0.069 R)
• M25: 71,129,449 km (0.12 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 14,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit