🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.3

Radius: 11.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.56 AU - 0.6 AU

Year: 305 Days

Day: 13.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,503,110 km

• M1: 139,425 km (0.092 R)
• M2: 517,160 km (0.115 R)
• M3: 1,098,796 km (0.108 R)
• M4: 1,581,997 km (0.082 R)
• M5: 1,980,825 km (0.085 R)
• M6: 2,463,727 km (0.053 R)
• M7: 3,024,420 km (0.046 R)
• M8: 3,398,564 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.7

Radius: 12.1

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.56 AU - 0.8 AU

Year: 387 Days

Day: 8.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,503,110 km

• M1: 150,495 km (0.1 R)
• M2: 558,449 km (0.055 R)
• M3: 1,064,838 km (0.066 R)
• M4: 1,503,459 km (0.118 R)
• M5: 2,240,378 km (0.105 R)
• M6: 3,035,640 km (0.053 R)
• M7: 3,554,146 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.9

Radius: 10.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.79 AU - 1.15 AU

Year: 659 Days

Day: 11.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,503,110 km

• M1: 134,339 km (0.101 R)
• M2: 622,028 km (0.1 R)
• M3: 1,010,534 km (0.077 R)
• M4: 2,121,597 km (0.091 R)
• M5: 2,732,555 km (0.114 R)
• M6: 3,262,131 km (0.119 R)
• M7: 3,805,471 km (0.071 R)
• M8: 4,602,827 km (0.115 R)
• M9: 5,321,495 km (0.116 R)
• M10: 6,374,964 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.8

Radius: 13.2

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.08 AU - 1.36 AU

Year: 930 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,503,110 km

• M1: 164,408 km (0.093 R)
• M2: 588,368 km (0.096 R)
• M3: 1,287,439 km (0.081 R)
• M4: 1,794,426 km (0.109 R)
• M5: 2,332,979 km (0.111 R)
• M6: 2,746,767 km (0.079 R)
• M7: 3,380,762 km (0.04 R)
• M8: 3,963,446 km (0.063 R)
• M9: 4,630,503 km (0.107 R)
• M10: 5,431,450 km (0.106 R)
• M11: 5,844,490 km (0.098 R)
• M12: 6,390,223 km (0.097 R)
• M13: 7,711,770 km (0.062 R)
• M14: 9,179,475 km (0.113 R)
• M15: 9,797,913 km (0.08 R)
• M16: 10,955,351 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.8

Radius: 14.9

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.41 AU - 1.65 AU

Year: 1306 Days

Day: 11.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,503,110 km

• M1: 185,352 km (0.064 R)
• M2: 670,049 km (0.107 R)
• M3: 1,339,200 km (0.105 R)
• M4: 2,021,217 km (0.085 R)
• M5: 2,578,918 km (0.068 R)
• M6: 3,138,563 km (0.095 R)
• M7: 4,253,965 km (0.107 R)
• M8: 4,730,733 km (0.088 R)
• M9: 5,619,943 km (0.107 R)
• M10: 6,381,396 km (0.06 R)
• M11: 6,934,908 km (0.118 R)
• M12: 7,625,602 km (0.102 R)
• M13: 8,390,047 km (0.052 R)
• M14: 9,115,297 km (0.116 R)
• M15: 9,632,009 km (0.102 R)
• M16: 10,136,303 km (0.091 R)
• M17: 11,232,407 km (0.112 R)
• M18: 12,223,343 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336

Radius: 11.4

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.98 AU - 2.72 AU

Year: 2487 Days

Day: 11.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,503,110 km

• M1: 142,118 km (0.085 R)
• M2: 553,662 km (0.12 R)
• M3: 960,718 km (0.099 R)
• M4: 2,094,370 km (0.105 R)
• M5: 2,618,711 km (0.078 R)
• M6: 3,075,732 km (0.074 R)
• M7: 3,585,861 km (0.11 R)
• M8: 4,756,464 km (0.099 R)
• M9: 6,069,036 km (0.066 R)
• M10: 7,087,498 km (0.049 R)
• M11: 8,275,754 km (0.037 R)
• M12: 10,335,567 km (0.049 R)
• M13: 13,078,594 km (0.113 R)
• M14: 14,508,600 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.9

Radius: 12.5

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.84 AU - 5.94 AU

Year: 7464 Days

Day: 12.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,503,110 km

• M1: 157,377 km (0.039 R)
• M2: 739,013 km (0.105 R)
• M3: 1,148,912 km (0.116 R)
• M4: 1,967,661 km (0.094 R)
• M5: 3,765,977 km (0.045 R)
• M6: 6,224,917 km (0.091 R)
• M7: 8,911,096 km (0.111 R)
• M8: 9,520,708 km (0.076 R)
• M9: 10,288,893 km (0.11 R)
• M10: 25,497,012 km (0.094 R)
• M11: 27,996,194 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784

Radius: 7.4

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.98 AU - 7.14 AU

Year: 11598 Days

Day: 16.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,503,110 km

• M1: 92,003 km (0.033 R)
• M2: 349,311 km (0.083 R)
• M3: 589,266 km (0.089 R)
• M4: 1,216,231 km (0.111 R)
• M5: 1,754,035 km (0.066 R)
• M6: 2,380,701 km (0.074 R)
• M7: 4,215,070 km (0.1 R)
• M8: 5,060,148 km (0.057 R)
• M9: 5,755,778 km (0.098 R)
• M10: 7,595,383 km (0.046 R)
• M11: 8,271,565 km (0.047 R)
• M12: 8,696,274 km (0.1 R)
• M13: 9,085,827 km (0.066 R)
• M14: 12,633,690 km (0.115 R)
• M15: 14,239,773 km (0.083 R)
• M16: 14,508,749 km (0.036 R)
• M17: 15,406,636 km (0.082 R)
• M18: 19,370,979 km (0.1 R)
• M19: 22,482,316 km (0.063 R)
• M20: 24,539,137 km (0.114 R)
• M21: 24,926,296 km (0.114 R)
• M22: 26,111,710 km (0.111 R)
• M23: 29,239,353 km (0.042 R)
• M24: 33,666,851 km (0.055 R)
• M25: 34,385,519 km (0.088 R)
• M26: 39,439,683 km (0.053 R)
• M27: 39,704,621 km (0.103 R)
• M28: 41,592,696 km (0.077 R)
• M29: 42,281,295 km (0.109 R)
• M30: 49,590,797 km (0.104 R)
• M31: 50,209,533 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223

Radius: 6.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.98 AU - 8.98 AU

Year: 14121 Days

Day: 16.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,503,110 km

• M1: 82,279 km (0.079 R)
• M2: 357,240 km (0.084 R)
• M3: 606,021 km (0.12 R)
• M4: 906,413 km (0.091 R)
• M5: 1,257,370 km (0.064 R)
• M6: 1,768,247 km (0.087 R)
• M7: 2,231,701 km (0.086 R)
• M8: 2,520,275 km (0.088 R)
• M9: 2,752,900 km (0.086 R)
• M10: 3,732,168 km (0.092 R)
• M11: 5,384,925 km (0.05 R)
• M12: 6,318,864 km (0.112 R)
• M13: 11,668,634 km (0.116 R)
• M14: 12,651,941 km (0.082 R)
• M15: 13,163,715 km (0.066 R)
• M16: 14,534,480 km (0.067 R)
• M17: 19,065,949 km (0.065 R)
• M18: 22,836,863 km (0.064 R)
• M19: 23,256,186 km (0.074 R)
• M20: 24,023,772 km (0.109 R)
• M21: 24,457,606 km (0.101 R)
• M22: 33,506,931 km (0.087 R)
• M23: 40,761,979 km (0.077 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 20,207 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit