🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.1

Radius: 15

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.73 AU - 0.79 AU

Year: 449 Days

Day: 10.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,929,941 km

• M1: 186,698 km (0.091 R)
• M2: 850,464 km (0.025 R)
• M3: 1,470,397 km (0.09 R)
• M4: 2,054,876 km (0.086 R)
• M5: 2,581,610 km (0.12 R)
• M6: 3,130,635 km (0.107 R)
• M7: 4,157,325 km (0.112 R)
• M8: 4,689,744 km (0.111 R)
• M9: 5,235,177 km (0.113 R)
• M10: 6,251,246 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.5

Radius: 10

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.13 AU - 1.25 AU

Year: 880 Days

Day: 9.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,929,941 km

• M1: 129,851 km (0.096 R)
• M2: 893,398 km (0.095 R)
• M3: 1,340,696 km (0.112 R)
• M4: 1,868,926 km (0.111 R)
• M5: 2,234,693 km (0.115 R)
• M6: 2,930,622 km (0.105 R)
• M7: 3,399,612 km (0.028 R)
• M8: 4,592,056 km (0.07 R)
• M9: 5,418,734 km (0.089 R)
• M10: 6,127,678 km (0.061 R)
• M11: 7,128,937 km (0.05 R)
• M12: 8,952,385 km (0.098 R)
• M13: 9,681,525 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.5

Radius: 12

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.87 AU - 2.85 AU

Year: 2459 Days

Day: 8.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,929,941 km

• M1: 149,299 km (0.081 R)
• M2: 588,967 km (0.063 R)
• M3: 1,008,140 km (0.059 R)
• M4: 1,467,854 km (0.104 R)
• M5: 2,198,341 km (0.117 R)
• M6: 3,141,406 km (0.115 R)
• M7: 3,629,095 km (0.096 R)
• M8: 4,379,627 km (0.063 R)
• M9: 5,787,792 km (0.082 R)
• M10: 6,217,288 km (0.032 R)
• M11: 6,610,431 km (0.113 R)
• M12: 8,420,266 km (0.094 R)
• M13: 8,937,725 km (0.108 R)
• M14: 10,658,549 km (0.057 R)
• M15: 11,347,148 km (0.093 R)
• M16: 12,065,367 km (0.076 R)
• M17: 12,903,564 km (0.06 R)
• M18: 14,696,196 km (0.043 R)
• M19: 16,436,019 km (0.089 R)
• M20: 16,972,926 km (0.068 R)
• M21: 19,003,268 km (0.115 R)
• M22: 19,714,606 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.6

Radius: 9.3

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.68 AU - 5.58 AU

Year: 7881 Days

Day: 7.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,929,941 km

• M1: 115,639 km (0.093 R)
• M2: 750,981 km (0.113 R)
• M3: 1,080,396 km (0.085 R)
• M4: 1,507,498 km (0.102 R)
• M5: 1,821,952 km (0.107 R)
• M6: 2,198,191 km (0.058 R)
• M7: 2,528,354 km (0.118 R)
• M8: 3,699,256 km (0.073 R)
• M9: 5,010,781 km (0.117 R)
• M10: 6,030,739 km (0.114 R)
• M11: 6,911,122 km (0.085 R)
• M12: 7,262,528 km (0.102 R)
• M13: 7,667,040 km (0.045 R)
• M14: 8,129,298 km (0.044 R)
• M15: 9,342,836 km (0.053 R)
• M16: 10,017,821 km (0.097 R)
• M17: 10,367,282 km (0.113 R)
• M18: 10,828,492 km (0.113 R)
• M19: 13,827,780 km (0.083 R)
• M20: 15,550,549 km (0.116 R)
• M21: 17,772,227 km (0.103 R)
• M22: 19,961,293 km (0.081 R)
• M23: 24,595,685 km (0.09 R)
• M24: 28,583,815 km (0.091 R)
• M25: 30,417,735 km (0.116 R)
• M26: 30,835,712 km (0.095 R)
• M27: 32,546,064 km (0.105 R)
• M28: 32,873,534 km (0.096 R)
• M29: 36,505,920 km (0.108 R)
• M30: 41,796,598 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.2

Radius: 10.1

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.45 AU - 5.95 AU

Year: 8043 Days

Day: 10.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,929,941 km

• M1: 125,662 km (0.052 R)
• M2: 455,226 km (0.107 R)
• M3: 854,204 km (0.102 R)
• M4: 1,622,090 km (0.077 R)
• M5: 2,100,952 km (0.114 R)
• M6: 3,121,958 km (0.116 R)
• M7: 3,822,375 km (0.084 R)
• M8: 4,222,400 km (0.102 R)
• M9: 5,106,823 km (0.093 R)
• M10: 8,861,430 km (0.112 R)
• M11: 9,188,002 km (0.092 R)
• M12: 10,171,907 km (0.098 R)
• M13: 11,224,478 km (0.108 R)
• M14: 11,850,844 km (0.1 R)
• M15: 17,922,573 km (0.094 R)
• M16: 21,072,506 km (0.087 R)
• M17: 22,249,691 km (0.105 R)
• M18: 25,629,706 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.3

Radius: 5.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.91 AU - 8.67 AU

Year: 13350 Days

Day: 23.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,929,941 km

• M1: 68,665 km (0.079 R)
• M2: 345,870 km (0.113 R)
• M3: 1,450,950 km (0.104 R)
• M4: 1,771,089 km (0.113 R)
• M5: 2,152,863 km (0.073 R)
• M6: 2,941,094 km (0.119 R)
• M7: 5,710,749 km (0.116 R)
• M8: 6,606,990 km (0.104 R)
• M9: 8,355,789 km (0.085 R)
• M10: 8,594,098 km (0.071 R)
• M11: 10,853,475 km (0.089 R)
• M12: 11,868,646 km (0.11 R)
• M13: 12,119,372 km (0.103 R)
• M14: 13,698,677 km (0.096 R)
• M15: 17,581,340 km (0.111 R)
• M16: 24,243,532 km (0.096 R)
• M17: 27,513,292 km (0.116 R)
• M18: 32,314,038 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.8

Radius: 3.1

Gravity: 91.24 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.42 AU - 10.29 AU

Year: 19391 Days

Day: 18.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,929,941 km

• M1: 38,596 km (0.068 R)
• M2: 137,630 km (0.093 R)
• M3: 820,245 km (0.117 R)
• M4: 1,009,935 km (0.114 R)
• M5: 1,287,439 km (0.09 R)
• M6: 1,630,766 km (0.108 R)
• M7: 2,031,838 km (0.054 R)
• M8: 3,162,200 km (0.061 R)
• M9: 4,583,230 km (0.07 R)
• M10: 4,763,495 km (0.108 R)
• M11: 5,820,105 km (0.03 R)
• M12: 6,696,898 km (0.09 R)
• M13: 9,096,747 km (0.089 R)
• M14: 12,218,256 km (0.074 R)
• M15: 15,098,016 km (0.091 R)
• M16: 17,862,883 km (0.059 R)
• M17: 18,219,375 km (0.104 R)
• M18: 18,762,864 km (0.094 R)
• M19: 19,410,623 km (0.12 R)
• M20: 21,643,820 km (0.101 R)
• M21: 23,083,699 km (0.117 R)
• M22: 24,367,698 km (0.09 R)
• M23: 27,076,915 km (0.084 R)
• M24: 27,903,444 km (0.084 R)
• M25: 28,624,954 km (0.093 R)
• M26: 34,028,280 km (0.08 R)
• M27: 34,164,563 km (0.081 R)
• M28: 39,318,360 km (0.112 R)
• M29: 40,683,291 km (0.107 R)
• M30: 42,236,416 km (0.119 R)
• M31: 49,540,831 km (0.107 R)
• M32: 56,299,064 km (0.089 R)
• M33: 56,489,802 km (0.072 R)
• M34: 61,600,813 km (0.092 R)
• M35: 63,645,965 km (0.092 R)
• M36: 72,279,109 km (0.113 R)
• M37: 74,094,479 km (0.092 R)
• M38: 80,445,507 km (0.04 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: 395 - 11,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit