🌌 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: 233.7

Radius: 15

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.48 AU - 0.78 AU

Year: 351 Days

Day: 11.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,296,541 km

• M1: 186,549 km (0.051 R)
• M2: 671,246 km (0.107 R)
• M3: 1,276,967 km (0.071 R)
• M4: 1,931,159 km (0.12 R)
• M5: 2,962,786 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.6

Radius: 14.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.86 AU - 1.2 AU

Year: 735 Days

Day: 6.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,296,541 km

• M1: 175,478 km (0.046 R)
• M2: 923,916 km (0.118 R)
• M3: 1,420,133 km (0.102 R)
• M4: 1,882,988 km (0.044 R)
• M5: 2,437,249 km (0.077 R)
• M6: 2,923,741 km (0.032 R)
• M7: 3,406,194 km (0.042 R)
• M8: 4,352,101 km (0.084 R)
• M9: 4,825,878 km (0.073 R)
• M10: 5,315,212 km (0.089 R)
• M11: 6,143,087 km (0.118 R)
• M12: 6,588,290 km (0.092 R)
• M13: 7,858,227 km (0.054 R)
• M14: 9,203,560 km (0.084 R)

Asteroid Belt

Center: 1.97 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.3

Radius: 15

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.35 AU - 3.47 AU

Year: 3489 Days

Day: 8.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 65.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,296,541 km

• M1: 186,549 km (0.069 R)
• M2: 668,254 km (0.116 R)
• M3: 1,186,311 km (0.052 R)
• M4: 1,683,574 km (0.104 R)
• M5: 2,842,958 km (0.112 R)
• M6: 3,314,640 km (0.095 R)
• M7: 4,268,925 km (0.099 R)
• M8: 5,129,711 km (0.094 R)
• M9: 12,558,592 km (0.073 R)
• M10: 13,054,060 km (0.039 R)
• M11: 13,845,433 km (0.027 R)
• M12: 16,042,876 km (0.072 R)
• M13: 17,060,440 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933

Radius: 12.7

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.05 AU - 4.37 AU

Year: 5023 Days

Day: 14.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,296,541 km

• M1: 158,275 km (0.104 R)
• M2: 699,071 km (0.055 R)
• M3: 1,163,123 km (0.105 R)
• M4: 1,590,674 km (0.112 R)
• M5: 2,217,340 km (0.044 R)
• M6: 3,453,168 km (0.118 R)
• M7: 4,113,493 km (0.101 R)
• M8: 6,249,301 km (0.092 R)
• M9: 7,594,635 km (0.091 R)
• M10: 10,298,617 km (0.064 R)
• M11: 11,767,817 km (0.073 R)
• M12: 14,312,028 km (0.078 R)
• M13: 15,592,736 km (0.067 R)
• M14: 16,076,984 km (0.109 R)
• M15: 17,785,691 km (0.105 R)
• M16: 24,518,642 km (0.08 R)
• M17: 25,009,174 km (0.071 R)
• M18: 26,605,533 km (0.094 R)
• M19: 28,269,061 km (0.116 R)
• M20: 32,288,157 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.5

Radius: 9.8

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.82 AU - 4.44 AU

Year: 5900 Days

Day: 14.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,296,541 km

• M1: 121,922 km (0.04 R)
• M2: 524,789 km (0.051 R)
• M3: 1,100,741 km (0.118 R)
• M4: 1,726,210 km (0.111 R)
• M5: 2,442,335 km (0.049 R)
• M6: 2,905,191 km (0.109 R)
• M7: 3,528,864 km (0.109 R)
• M8: 3,917,370 km (0.115 R)
• M9: 4,653,990 km (0.101 R)
• M10: 5,737,527 km (0.055 R)
• M11: 7,182,493 km (0.094 R)
• M12: 8,778,403 km (0.049 R)
• M13: 9,454,137 km (0.117 R)
• M14: 10,864,545 km (0.085 R)
• M15: 11,226,722 km (0.091 R)
• M16: 12,806,326 km (0.119 R)
• M17: 14,638,152 km (0.041 R)
• M18: 15,080,213 km (0.04 R)
• M19: 22,170,404 km (0.117 R)
• M20: 23,799,376 km (0.115 R)
• M21: 24,954,870 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.8

Radius: 12.2

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.11 AU - 4.43 AU

Year: 6202 Days

Day: 13.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,296,541 km

• M1: 154,385 km (0.04 R)
• M2: 660,624 km (0.095 R)
• M3: 1,633,758 km (0.103 R)
• M4: 2,466,270 km (0.083 R)
• M5: 4,146,255 km (0.05 R)
• M6: 4,819,744 km (0.084 R)
• M7: 6,351,178 km (0.113 R)
• M8: 6,735,495 km (0.073 R)
• M9: 7,903,704 km (0.059 R)
• M10: 9,114,699 km (0.027 R)
• M11: 11,538,783 km (0.111 R)
• M12: 12,166,496 km (0.117 R)
• M13: 13,951,946 km (0.084 R)
• M14: 14,364,836 km (0.08 R)
• M15: 15,091,433 km (0.087 R)
• M16: 18,668,617 km (0.052 R)
• M17: 21,267,880 km (0.039 R)
• M18: 26,719,526 km (0.06 R)
• M19: 27,911,672 km (0.094 R)
• M20: 30,009,482 km (0.118 R)
• M21: 36,373,226 km (0.092 R)
• M22: 38,180,069 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.9

Radius: 4.5

Gravity: 26.71 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.28 AU - 6.36 AU

Year: 9869 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,296,541 km

• M1: 55,950 km (0.055 R)
• M2: 235,617 km (0.12 R)
• M3: 3,375,676 km (0.071 R)
• M4: 3,921,110 km (0.055 R)
• M5: 5,343,636 km (0.091 R)
• M6: 7,078,373 km (0.112 R)
• M7: 11,233,603 km (0.1 R)
• M8: 13,071,413 km (0.114 R)
• M9: 13,908,413 km (0.12 R)
• M10: 15,820,872 km (0.086 R)
• M11: 19,692,615 km (0.119 R)
• M12: 23,279,523 km (0.074 R)
• M13: 24,864,512 km (0.078 R)
• M14: 28,247,369 km (0.026 R)
• M15: 34,099,189 km (0.066 R)
• M16: 35,109,124 km (0.094 R)
• M17: 36,719,695 km (0.117 R)
• M18: 39,104,883 km (0.053 R)
• M19: 40,211,160 km (0.088 R)
• M20: 41,211,820 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.1

Radius: 5.3

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.98 AU - 6.24 AU

Year: 10616 Days

Day: 24.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,296,541 km

• M1: 65,973 km (0.109 R)
• M2: 402,418 km (0.05 R)
• M3: 1,562,699 km (0.102 R)
• M4: 2,393,117 km (0.062 R)
• M5: 2,571,139 km (0.066 R)
• M6: 2,974,006 km (0.109 R)
• M7: 3,265,422 km (0.096 R)
• M8: 3,575,539 km (0.059 R)
• M9: 6,256,333 km (0.106 R)
• M10: 6,458,589 km (0.111 R)
• M11: 8,237,008 km (0.054 R)
• M12: 11,782,777 km (0.091 R)
• M13: 15,729,169 km (0.046 R)
• M14: 25,833,757 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.6

Radius: 5.9

Gravity: 25.27 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.8 AU - 10.08 AU

Year: 17235 Days

Day: 19.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,296,541 km

• M1: 73,453 km (0.034 R)
• M2: 611,257 km (0.086 R)
• M3: 827,426 km (0.107 R)
• M4: 1,032,076 km (0.107 R)
• M5: 1,842,148 km (0.084 R)
• M6: 4,018,947 km (0.074 R)
• M7: 6,846,047 km (0.11 R)
• M8: 10,293,231 km (0.086 R)
• M9: 12,589,708 km (0.057 R)
• M10: 15,129,581 km (0.115 R)
• M11: 16,724,294 km (0.076 R)
• M12: 17,733,182 km (0.12 R)
• M13: 22,375,653 km (0.052 R)
• M14: 23,392,320 km (0.037 R)
• M15: 29,299,641 km (0.034 R)
• M16: 32,146,039 km (0.07 R)
• M17: 35,036,121 km (0.108 R)
• M18: 43,320,402 km (0.085 R)
• M19: 43,946,319 km (0.082 R)
• M20: 48,835,028 km (0.106 R)
• M21: 54,073,946 km (0.115 R)
• M22: 63,215,123 km (0.089 R)
• M23: 64,222,665 km (0.059 R)
• M24: 68,360,093 km (0.107 R)
• M25: 70,493,808 km (0.03 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.6

Radius: 3.6

Gravity: 62.24 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.8 AU - 8.9 AU

Year: 18506 Days

Day: 15.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,296,541 km

• M1: 45,029 km (0.11 R)
• M2: 328,667 km (0.085 R)
• M3: 489,484 km (0.093 R)
• M4: 856,747 km (0.089 R)
• M5: 996,920 km (0.039 R)
• M6: 2,937,205 km (0.05 R)
• M7: 3,230,716 km (0.092 R)
• M8: 3,427,437 km (0.102 R)
• M9: 3,602,317 km (0.114 R)
• M10: 4,430,191 km (0.105 R)
• M11: 4,744,197 km (0.112 R)
• M12: 6,321,258 km (0.037 R)
• M13: 8,743,846 km (0.06 R)
• M14: 13,870,864 km (0.09 R)
• M15: 16,106,754 km (0.036 R)
• M16: 24,339,424 km (0.077 R)
• M17: 28,151,327 km (0.035 R)
• M18: 29,102,620 km (0.111 R)
• M19: 45,725,487 km (0.089 R)
• M20: 51,127,466 km (0.081 R)
• M21: 60,003,856 km (0.083 R)
• M22: 60,590,429 km (0.118 R)
• M23: 64,803,703 km (0.112 R)
• M24: 76,296,560 km (0.07 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 13,802 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit