🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.6

Radius: 14.1

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.59 AU - 0.67 AU

Year: 351 Days

Day: 14 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,375,217 km

• M1: 175,478 km (0.12 R)
• M2: 687,552 km (0.048 R)
• M3: 1,140,085 km (0.085 R)
• M4: 1,684,921 km (0.1 R)
• M5: 2,642,198 km (0.111 R)
• M6: 3,168,483 km (0.101 R)
• M7: 3,787,519 km (0.098 R)
• M8: 4,248,280 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.7

Radius: 14.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.81 AU - 0.87 AU

Year: 541 Days

Day: 7.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,375,217 km

• M1: 186,399 km (0.105 R)
• M2: 1,039,107 km (0.077 R)
• M3: 1,732,942 km (0.104 R)
• M4: 2,424,832 km (0.114 R)
• M5: 2,916,261 km (0.094 R)
• M6: 4,133,389 km (0.104 R)
• M7: 4,891,102 km (0.115 R)
• M8: 5,399,735 km (0.118 R)
• M9: 6,365,988 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.6

Radius: 13.4

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.05 AU - 1.13 AU

Year: 800 Days

Day: 6.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,375,217 km

• M1: 166,652 km (0.116 R)
• M2: 612,154 km (0.102 R)
• M3: 1,033,871 km (0.066 R)
• M4: 1,763,310 km (0.106 R)
• M5: 2,266,857 km (0.074 R)
• M6: 2,686,479 km (0.082 R)
• M7: 3,332,741 km (0.073 R)
• M8: 4,176,025 km (0.098 R)
• M9: 4,744,048 km (0.079 R)
• M10: 5,382,382 km (0.118 R)
• M11: 5,974,490 km (0.093 R)
• M12: 6,742,226 km (0.075 R)
• M13: 8,320,035 km (0.12 R)
• M14: 9,195,781 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.8

Radius: 11.4

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.27 AU - 2.33 AU

Year: 2452 Days

Day: 7.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,375,217 km

• M1: 142,417 km (0.079 R)
• M2: 642,822 km (0.082 R)
• M3: 1,013,226 km (0.109 R)
• M4: 1,465,311 km (0.064 R)
• M5: 2,407,179 km (0.111 R)
• M6: 3,131,233 km (0.101 R)
• M7: 3,536,045 km (0.1 R)
• M8: 4,169,741 km (0.1 R)
• M9: 5,033,220 km (0.085 R)
• M10: 6,641,397 km (0.093 R)
• M11: 8,763,443 km (0.077 R)
• M12: 11,033,142 km (0.087 R)
• M13: 11,856,529 km (0.088 R)
• M14: 13,892,107 km (0.102 R)
• M15: 14,665,827 km (0.119 R)
• M16: 16,150,736 km (0.032 R)
• M17: 16,650,542 km (0.105 R)
• M18: 17,315,505 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.2

Radius: 10.2

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.53 AU - 2.67 AU

Year: 2947 Days

Day: 6.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,375,217 km

• M1: 126,859 km (0.03 R)
• M2: 448,345 km (0.053 R)
• M3: 925,113 km (0.054 R)
• M4: 1,433,148 km (0.086 R)
• M5: 1,899,295 km (0.097 R)
• M6: 2,449,665 km (0.108 R)
• M7: 2,896,065 km (0.033 R)
• M8: 3,247,620 km (0.078 R)
• M9: 4,320,536 km (0.104 R)
• M10: 4,805,832 km (0.049 R)
• M11: 5,199,573 km (0.06 R)
• M12: 6,424,331 km (0.03 R)
• M13: 7,277,936 km (0.118 R)
• M14: 9,246,794 km (0.09 R)
• M15: 11,118,712 km (0.11 R)
• M16: 13,326,029 km (0.12 R)
• M17: 14,558,117 km (0.07 R)
• M18: 14,968,015 km (0.029 R)
• M19: 17,880,835 km (0.093 R)
• M20: 19,194,005 km (0.079 R)
• M21: 20,188,532 km (0.099 R)
• M22: 21,151,942 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.5

Radius: 13

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.06 AU - 3.08 AU

Year: 3781 Days

Day: 8.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,375,217 km

• M1: 162,314 km (0.066 R)
• M2: 593,156 km (0.11 R)
• M3: 1,020,108 km (0.097 R)
• M4: 2,504,717 km (0.059 R)
• M5: 3,361,015 km (0.097 R)
• M6: 4,157,624 km (0.115 R)
• M7: 4,566,026 km (0.116 R)
• M8: 5,679,334 km (0.096 R)
• M9: 6,447,519 km (0.092 R)
• M10: 8,332,003 km (0.095 R)
• M11: 10,938,297 km (0.076 R)
• M12: 12,037,093 km (0.113 R)
• M13: 13,305,085 km (0.051 R)
• M14: 15,559,675 km (0.084 R)
• M15: 16,050,356 km (0.111 R)
• M16: 17,063,133 km (0.082 R)
• M17: 17,879,788 km (0.098 R)
• M18: 18,967,963 km (0.084 R)
• M19: 19,654,467 km (0.116 R)
• M20: 20,163,998 km (0.1 R)
• M21: 22,915,551 km (0.049 R)
• M22: 24,564,120 km (0.031 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 12.3

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.43 AU - 4.63 AU

Year: 6777 Days

Day: 12.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,375,217 km

• M1: 159,172 km (0.078 R)
• M2: 589,864 km (0.078 R)
• M3: 1,006,345 km (0.073 R)
• M4: 1,528,292 km (0.095 R)
• M5: 1,925,325 km (0.095 R)
• M6: 2,477,490 km (0.113 R)
• M7: 2,877,216 km (0.065 R)
• M8: 3,341,568 km (0.097 R)
• M9: 4,422,711 km (0.086 R)
• M10: 5,016,465 km (0.085 R)
• M11: 5,632,210 km (0.091 R)
• M12: 6,463,974 km (0.06 R)
• M13: 7,598,225 km (0.115 R)
• M14: 8,371,796 km (0.076 R)
• M15: 9,718,027 km (0.108 R)
• M16: 12,996,764 km (0.086 R)
• M17: 15,271,848 km (0.115 R)
• M18: 18,135,600 km (0.073 R)
• M19: 21,415,085 km (0.111 R)
• M20: 22,331,671 km (0.104 R)
• M21: 26,608,225 km (0.097 R)
• M22: 28,298,232 km (0.06 R)
• M23: 31,207,612 km (0.068 R)
• M24: 32,286,212 km (0.055 R)
• M25: 34,207,648 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.9

Radius: 14.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.32 AU - 6.06 AU

Year: 8311 Days

Day: 6.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,375,217 km

• M1: 176,675 km (0.118 R)
• M2: 735,124 km (0.05 R)
• M3: 1,948,363 km (0.06 R)
• M4: 5,388,964 km (0.091 R)
• M5: 6,128,726 km (0.084 R)
• M6: 6,639,453 km (0.049 R)
• M7: 7,364,703 km (0.074 R)
• M8: 12,029,763 km (0.069 R)
• M9: 14,548,692 km (0.11 R)
• M10: 15,721,689 km (0.111 R)
• M11: 16,683,005 km (0.093 R)
• M12: 21,630,057 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.5

Radius: 6.1

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.87 AU - 11.39 AU

Year: 19392 Days

Day: 21.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,375,217 km

• M1: 75,996 km (0.117 R)
• M2: 391,049 km (0.03 R)
• M3: 589,565 km (0.069 R)
• M4: 792,420 km (0.097 R)
• M5: 1,230,293 km (0.059 R)
• M6: 2,128,479 km (0.069 R)
• M7: 2,924,040 km (0.079 R)
• M8: 5,082,887 km (0.07 R)
• M9: 7,811,702 km (0.05 R)
• M10: 8,079,482 km (0.11 R)
• M11: 15,081,709 km (0.063 R)
• M12: 16,863,570 km (0.057 R)
• M13: 17,086,470 km (0.104 R)
• M14: 17,462,260 km (0.113 R)
• M15: 18,152,505 km (0.04 R)
• M16: 18,465,015 km (0.064 R)
• M17: 21,703,360 km (0.12 R)
• M18: 24,627,998 km (0.111 R)
• M19: 25,107,459 km (0.119 R)
• M20: 34,241,008 km (0.051 R)
• M21: 43,247,248 km (0.099 R)
• M22: 45,219,846 km (0.078 R)
• M23: 45,506,475 km (0.109 R)
• M24: 47,251,834 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.8

Radius: 7.1

Gravity: 14.34 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.52 AU - 9.58 AU

Year: 20745 Days

Day: 23.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,375,217 km

• M1: 89,011 km (0.086 R)
• M2: 383,569 km (0.108 R)
• M3: 1,078,301 km (0.084 R)
• M4: 1,312,422 km (0.111 R)
• M5: 1,683,874 km (0.064 R)
• M6: 2,042,161 km (0.096 R)
• M7: 3,016,043 km (0.052 R)
• M8: 3,575,838 km (0.094 R)
• M9: 5,086,926 km (0.041 R)
• M10: 5,879,047 km (0.084 R)
• M11: 6,348,335 km (0.042 R)
• M12: 7,507,719 km (0.077 R)
• M13: 7,957,709 km (0.111 R)
• M14: 8,911,695 km (0.039 R)
• M15: 9,588,775 km (0.05 R)
• M16: 9,939,881 km (0.096 R)
• M17: 12,923,162 km (0.092 R)
• M18: 14,464,768 km (0.117 R)
• M19: 18,802,358 km (0.056 R)
• M20: 20,775,554 km (0.111 R)
• M21: 22,573,571 km (0.059 R)
• M22: 24,581,324 km (0.029 R)
• M23: 26,021,652 km (0.097 R)
• M24: 27,752,649 km (0.115 R)
• M25: 30,177,930 km (0.078 R)
• M26: 32,609,643 km (0.053 R)
• M27: 33,005,180 km (0.086 R)
• M28: 36,426,633 km (0.105 R)
• M29: 37,569,560 km (0.099 R)
• M30: 40,228,214 km (0.109 R)
• M31: 41,449,082 km (0.115 R)
• M32: 42,537,556 km (0.059 R)
• M33: 52,119,150 km (0.087 R)
• M34: 66,787,072 km (0.091 R)
• M35: 69,580,662 km (0.109 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 18,848 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit