🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.9

Radius: 14.4

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.57 AU - 0.73 AU

Year: 368 Days

Day: 14.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,468,391 km

• M1: 179,069 km (0.079 R)
• M2: 639,980 km (0.105 R)
• M3: 1,284,597 km (0.071 R)
• M4: 2,056,073 km (0.117 R)
• M5: 2,689,022 km (0.109 R)
• M6: 3,322,120 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.2

Radius: 12.1

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.87 AU - 1.03 AU

Year: 651 Days

Day: 14.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,468,391 km

• M1: 150,495 km (0.089 R)
• M2: 540,946 km (0.107 R)
• M3: 1,012,628 km (0.074 R)
• M4: 1,404,126 km (0.097 R)
• M5: 1,872,965 km (0.092 R)
• M6: 2,353,175 km (0.117 R)
• M7: 3,035,640 km (0.12 R)
• M8: 3,746,379 km (0.114 R)
• M9: 4,126,657 km (0.062 R)
• M10: 5,245,949 km (0.107 R)
• M11: 5,934,697 km (0.066 R)
• M12: 6,557,623 km (0.12 R)
• M13: 7,069,397 km (0.036 R)
• M14: 7,630,688 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 9.9

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.94 AU - 1.52 AU

Year: 959 Days

Day: 6.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,468,391 km

• M1: 123,119 km (0.067 R)
• M2: 466,147 km (0.067 R)
• M3: 802,892 km (0.098 R)
• M4: 1,397,244 km (0.081 R)
• M5: 1,731,296 km (0.066 R)
• M6: 2,109,180 km (0.065 R)
• M7: 2,942,889 km (0.06 R)
• M8: 3,302,074 km (0.059 R)
• M9: 3,904,056 km (0.082 R)
• M10: 4,289,420 km (0.103 R)
• M11: 4,647,258 km (0.069 R)
• M12: 5,462,417 km (0.115 R)
• M13: 6,049,887 km (0.087 R)
• M14: 6,814,482 km (0.09 R)
• M15: 8,195,719 km (0.108 R)
• M16: 8,748,932 km (0.061 R)
• M17: 9,187,104 km (0.075 R)
• M18: 9,697,383 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.1

Radius: 8.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.94 AU - 2.08 AU

Year: 2003 Days

Day: 13.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,468,391 km

• M1: 104,419 km (0.062 R)
• M2: 367,412 km (0.09 R)
• M3: 822,938 km (0.086 R)
• M4: 1,102,686 km (0.092 R)
• M5: 1,497,026 km (0.075 R)
• M6: 1,922,482 km (0.033 R)
• M7: 2,275,832 km (0.08 R)
• M8: 2,854,178 km (0.114 R)
• M9: 3,588,703 km (0.069 R)
• M10: 5,124,774 km (0.118 R)
• M11: 5,595,110 km (0.112 R)
• M12: 6,116,309 km (0.086 R)
• M13: 7,031,848 km (0.095 R)
• M14: 7,484,082 km (0.085 R)
• M15: 9,045,136 km (0.069 R)
• M16: 9,580,248 km (0.097 R)
• M17: 11,380,658 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.3

Radius: 10.8

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.73 AU - 2.55 AU

Year: 2201 Days

Day: 10.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,468,391 km

• M1: 134,339 km (0.077 R)
• M2: 513,420 km (0.062 R)
• M3: 900,878 km (0.114 R)
• M4: 1,251,685 km (0.089 R)
• M5: 1,750,445 km (0.105 R)
• M6: 2,948,125 km (0.06 R)
• M7: 3,381,361 km (0.068 R)
• M8: 4,052,906 km (0.086 R)
• M9: 5,661,382 km (0.105 R)
• M10: 6,045,848 km (0.065 R)
• M11: 6,987,268 km (0.051 R)
• M12: 7,970,874 km (0.057 R)
• M13: 10,945,627 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.4

Radius: 10.7

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.29 AU - 2.67 AU

Year: 2745 Days

Day: 11.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,468,391 km

• M1: 135,386 km (0.052 R)
• M2: 477,367 km (0.105 R)
• M3: 1,015,770 km (0.108 R)
• M4: 2,076,269 km (0.094 R)
• M5: 2,728,815 km (0.091 R)
• M6: 3,120,911 km (0.09 R)
• M7: 3,476,206 km (0.055 R)
• M8: 4,398,028 km (0.117 R)
• M9: 4,963,508 km (0.108 R)
• M10: 5,301,001 km (0.049 R)
• M11: 6,022,361 km (0.083 R)
• M12: 6,434,952 km (0.052 R)
• M13: 6,954,955 km (0.07 R)
• M14: 9,321,144 km (0.096 R)
• M15: 10,140,192 km (0.104 R)
• M16: 10,606,788 km (0.108 R)
• M17: 11,836,184 km (0.041 R)
• M18: 12,179,511 km (0.112 R)
• M19: 12,751,722 km (0.07 R)
• M20: 13,573,464 km (0.107 R)
• M21: 14,284,801 km (0.103 R)
• M22: 14,921,340 km (0.106 R)
• M23: 15,576,579 km (0.042 R)
• M24: 15,937,260 km (0.112 R)
• M25: 16,409,390 km (0.112 R)
• M26: 17,216,770 km (0.115 R)
• M27: 18,852,473 km (0.068 R)
• M28: 20,527,969 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.6

Radius: 6.5

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.04 AU - 7.72 AU

Year: 12685 Days

Day: 19.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,468,391 km

• M1: 85,121 km (0.054 R)
• M2: 844,181 km (0.078 R)
• M3: 1,220,270 km (0.114 R)
• M4: 2,636,662 km (0.092 R)
• M5: 3,564,468 km (0.114 R)
• M6: 5,322,842 km (0.034 R)
• M7: 7,303,218 km (0.103 R)
• M8: 7,930,183 km (0.046 R)
• M9: 15,211,111 km (0.073 R)
• M10: 24,685,593 km (0.088 R)
• M11: 26,379,640 km (0.069 R)
• M12: 27,551,290 km (0.084 R)
• M13: 32,034,439 km (0.077 R)
• M14: 35,552,383 km (0.099 R)
• M15: 39,571,330 km (0.062 R)
• M16: 40,078,167 km (0.097 R)
• M17: 45,525,325 km (0.092 R)
• M18: 47,350,269 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.7

Radius: 6.1

Gravity: 13.75 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.17 AU - 9.95 AU

Year: 16085 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,468,391 km

• M1: 75,846 km (0.042 R)
• M2: 363,672 km (0.095 R)
• M3: 676,781 km (0.1 R)
• M4: 879,785 km (0.085 R)
• M5: 1,088,025 km (0.093 R)
• M6: 1,669,811 km (0.109 R)
• M7: 2,811,842 km (0.108 R)
• M8: 3,170,428 km (0.115 R)
• M9: 3,920,811 km (0.098 R)
• M10: 6,629,280 km (0.067 R)
• M11: 6,836,623 km (0.097 R)
• M12: 7,893,083 km (0.1 R)
• M13: 8,753,869 km (0.051 R)
• M14: 9,258,313 km (0.108 R)
• M15: 11,352,982 km (0.066 R)
• M16: 12,198,510 km (0.085 R)
• M17: 14,425,274 km (0.098 R)
• M18: 14,986,116 km (0.109 R)
• M19: 21,238,111 km (0.063 R)
• M20: 25,332,903 km (0.101 R)
• M21: 28,701,099 km (0.078 R)
• M22: 37,476,959 km (0.109 R)
• M23: 39,477,831 km (0.079 R)
• M24: 41,548,714 km (0.079 R)
• M25: 49,130,783 km (0.096 R)
• M26: 49,603,512 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.6

Radius: 3.5

Gravity: 54.5 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.26 AU - 9.4 AU

Year: 16900 Days

Day: 20 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 55,468,391 km

• M1: 43,683 km (0.079 R)
• M2: 175,179 km (0.062 R)
• M3: 449,691 km (0.106 R)
• M4: 694,733 km (0.116 R)
• M5: 811,120 km (0.094 R)
• M6: 998,566 km (0.06 R)
• M7: 1,491,192 km (0.095 R)
• M8: 2,109,779 km (0.08 R)
• M9: 2,622,451 km (0.044 R)
• M10: 5,035,764 km (0.074 R)
• M11: 5,400,932 km (0.084 R)
• M12: 5,590,024 km (0.081 R)
• M13: 5,783,454 km (0.06 R)
• M14: 8,567,769 km (0.096 R)
• M15: 8,825,078 km (0.109 R)
• M16: 9,087,472 km (0.094 R)
• M17: 9,627,820 km (0.095 R)
• M18: 11,813,594 km (0.091 R)
• M19: 12,326,266 km (0.113 R)
• M20: 13,055,107 km (0.094 R)
• M21: 13,882,383 km (0.104 R)
• M22: 16,494,212 km (0.037 R)
• M23: 20,674,725 km (0.099 R)
• M24: 22,083,039 km (0.076 R)
• M25: 28,243,629 km (0.077 R)
• M26: 28,698,407 km (0.069 R)
• M27: 35,194,096 km (0.074 R)
• M28: 37,605,165 km (0.075 R)
• M29: 39,131,512 km (0.096 R)
• M30: 39,413,354 km (0.118 R)
• M31: 42,604,127 km (0.068 R)
• M32: 43,352,565 km (0.102 R)
• M33: 44,109,680 km (0.069 R)
• M34: 44,721,685 km (0.098 R)
• M35: 48,351,079 km (0.108 R)
• M36: 53,893,979 km (0.115 R)
• M37: 57,451,267 km (0.042 R)
• M38: 60,783,859 km (0.115 R)
• M39: 66,020,682 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249

Radius: 7.5

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.32 AU - 10.72 AU

Year: 20647 Days

Day: 21.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,468,391 km

• M1: 93,199 km (0.092 R)
• M2: 503,846 km (0.088 R)
• M3: 878,140 km (0.1 R)
• M4: 1,232,387 km (0.078 R)
• M5: 1,573,470 km (0.118 R)
• M6: 1,994,140 km (0.117 R)
• M7: 2,231,551 km (0.088 R)
• M8: 4,588,765 km (0.107 R)
• M9: 5,378,492 km (0.084 R)
• M10: 5,953,247 km (0.117 R)
• M11: 6,528,601 km (0.046 R)
• M12: 7,525,521 km (0.068 R)
• M13: 9,306,334 km (0.06 R)
• M14: 11,466,228 km (0.064 R)
• M15: 11,757,794 km (0.079 R)
• M16: 21,991,186 km (0.036 R)
• M17: 23,641,999 km (0.092 R)
• M18: 24,884,559 km (0.091 R)
• M19: 25,275,458 km (0.094 R)
• M20: 29,521,943 km (0.116 R)
• M21: 30,291,474 km (0.079 R)
• M22: 31,074,320 km (0.099 R)
• M23: 34,582,839 km (0.072 R)
• M24: 38,868,369 km (0.066 R)
• M25: 47,720,674 km (0.048 R)
• M26: 48,780,126 km (0.113 R)
• M27: 55,136,838 km (0.042 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 13,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit