🌌 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: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 12

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.61 AU - 0.67 AU

Year: 360 Days

Day: 9.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,151,179 km

• M1: 149,299 km (0.086 R)
• M2: 536,458 km (0.057 R)
• M3: 1,263,204 km (0.098 R)
• M4: 1,726,359 km (0.074 R)
• M5: 2,113,968 km (0.1 R)
• M6: 2,560,218 km (0.102 R)
• M7: 3,190,474 km (0.086 R)
• M8: 4,185,000 km (0.109 R)
• M9: 4,587,718 km (0.072 R)
• M10: 5,407,664 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 13.9

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.73 AU - 1.17 AU

Year: 651 Days

Day: 11.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,151,179 km

• M1: 172,935 km (0.117 R)
• M2: 608,714 km (0.086 R)
• M3: 1,097,600 km (0.101 R)
• M4: 1,550,283 km (0.108 R)
• M5: 2,230,205 km (0.104 R)
• M6: 3,221,590 km (0.041 R)
• M7: 3,968,981 km (0.11 R)
• M8: 4,610,906 km (0.095 R)
• M9: 5,338,550 km (0.043 R)
• M10: 6,601,904 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.4

Radius: 12

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.72 AU - 2.4 AU

Year: 2078 Days

Day: 8.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,151,179 km

• M1: 149,299 km (0.08 R)
• M2: 703,559 km (0.118 R)
• M3: 1,077,553 km (0.027 R)
• M4: 1,463,366 km (0.107 R)
• M5: 2,099,307 km (0.115 R)
• M6: 2,702,037 km (0.053 R)
• M7: 3,450,176 km (0.089 R)
• M8: 4,350,904 km (0.118 R)
• M9: 5,975,837 km (0.097 R)
• M10: 8,148,297 km (0.113 R)
• M11: 9,347,922 km (0.069 R)
• M12: 11,715,907 km (0.105 R)
• M13: 13,200,815 km (0.059 R)
• M14: 13,694,787 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.9

Radius: 8.6

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.57 AU - 3.19 AU

Year: 3436 Days

Day: 10.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,151,179 km

• M1: 106,962 km (0.107 R)
• M2: 416,780 km (0.105 R)
• M3: 692,489 km (0.102 R)
• M4: 1,021,903 km (0.117 R)
• M5: 1,384,229 km (0.081 R)
• M6: 1,782,758 km (0.111 R)
• M7: 2,372,772 km (0.119 R)
• M8: 2,828,896 km (0.109 R)
• M9: 3,122,706 km (0.091 R)
• M10: 4,107,958 km (0.057 R)
• M11: 4,648,754 km (0.072 R)
• M12: 5,364,580 km (0.077 R)
• M13: 5,927,516 km (0.06 R)
• M14: 7,426,188 km (0.079 R)
• M15: 9,162,421 km (0.079 R)
• M16: 10,124,933 km (0.103 R)
• M17: 12,523,586 km (0.114 R)
• M18: 12,847,914 km (0.086 R)
• M19: 14,301,706 km (0.12 R)
• M20: 15,647,937 km (0.103 R)
• M21: 16,351,646 km (0.092 R)
• M22: 17,648,510 km (0.04 R)
• M23: 19,379,507 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.7

Radius: 11.5

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.16 AU - 4.64 AU

Year: 5414 Days

Day: 12.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,151,179 km

• M1: 146,157 km (0.118 R)
• M2: 736,620 km (0.114 R)
• M3: 3,007,366 km (0.092 R)
• M4: 4,177,521 km (0.044 R)
• M5: 4,944,509 km (0.068 R)
• M6: 5,431,450 km (0.067 R)
• M7: 6,661,294 km (0.064 R)
• M8: 9,747,797 km (0.045 R)
• M9: 11,095,225 km (0.082 R)
• M10: 11,980,246 km (0.099 R)
• M11: 12,513,862 km (0.12 R)
• M12: 14,210,302 km (0.089 R)
• M13: 16,230,471 km (0.085 R)
• M14: 18,885,983 km (0.119 R)
• M15: 19,278,378 km (0.117 R)
• M16: 21,041,539 km (0.119 R)
• M17: 24,575,041 km (0.072 R)
• M18: 25,121,372 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.9

Radius: 10.7

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.72 AU - 6.1 AU

Year: 7648 Days

Day: 12 Hours

Environment

Temp: -217 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,151,179 km

• M1: 134,189 km (0.104 R)
• M2: 572,960 km (0.072 R)
• M3: 1,231,190 km (0.046 R)
• M4: 1,590,525 km (0.067 R)
• M5: 1,988,754 km (0.119 R)
• M6: 3,054,639 km (0.056 R)
• M7: 4,245,288 km (0.118 R)
• M8: 4,694,531 km (0.116 R)
• M9: 5,492,336 km (0.095 R)
• M10: 5,889,967 km (0.054 R)
• M11: 6,969,017 km (0.083 R)
• M12: 8,828,219 km (0.098 R)
• M13: 9,282,548 km (0.099 R)
• M14: 11,101,060 km (0.095 R)
• M15: 13,145,763 km (0.045 R)
• M16: 14,226,159 km (0.116 R)
• M17: 19,070,587 km (0.086 R)
• M18: 21,170,043 km (0.107 R)
• M19: 28,094,480 km (0.11 R)
• M20: 30,392,902 km (0.111 R)
• M21: 31,640,548 km (0.026 R)
• M22: 32,922,003 km (0.099 R)
• M23: 34,796,315 km (0.074 R)
• M24: 35,360,897 km (0.08 R)
• M25: 38,515,468 km (0.098 R)
• M26: 39,363,089 km (0.088 R)
• M27: 40,844,856 km (0.115 R)
• M28: 42,107,761 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.2

Radius: 11.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.13 AU - 5.87 AU

Year: 7859 Days

Day: 6.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,151,179 km

• M1: 145,559 km (0.096 R)
• M2: 589,864 km (0.045 R)
• M3: 1,031,178 km (0.095 R)
• M4: 1,462,618 km (0.096 R)
• M5: 2,150,918 km (0.059 R)
• M6: 4,954,233 km (0.12 R)
• M7: 5,528,389 km (0.074 R)
• M8: 6,673,860 km (0.025 R)
• M9: 8,241,945 km (0.094 R)
• M10: 8,842,880 km (0.11 R)
• M11: 10,132,713 km (0.091 R)
• M12: 12,348,257 km (0.11 R)
• M13: 14,181,280 km (0.071 R)
• M14: 16,250,966 km (0.082 R)
• M15: 16,877,482 km (0.077 R)
• M16: 18,379,894 km (0.101 R)
• M17: 18,922,934 km (0.098 R)
• M18: 19,686,781 km (0.115 R)
• M19: 20,255,252 km (0.101 R)
• M20: 25,121,671 km (0.056 R)
• M21: 25,538,301 km (0.08 R)
• M22: 26,214,633 km (0.112 R)
• M23: 29,223,196 km (0.091 R)
• M24: 32,160,550 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.7

Radius: 7.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.94 AU - 9.42 AU

Year: 16445 Days

Day: 19 Hours

Environment

Temp: -222 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,151,179 km

• M1: 90,357 km (0.115 R)
• M2: 459,714 km (0.084 R)
• M3: 784,042 km (0.091 R)
• M4: 1,537,417 km (0.058 R)
• M5: 4,032,560 km (0.059 R)
• M6: 4,648,455 km (0.092 R)
• M7: 6,571,834 km (0.066 R)
• M8: 7,544,819 km (0.054 R)
• M9: 8,655,134 km (0.105 R)
• M10: 9,063,836 km (0.098 R)
• M11: 10,116,855 km (0.111 R)
• M12: 11,901,259 km (0.104 R)
• M13: 13,221,161 km (0.065 R)
• M14: 14,699,636 km (0.054 R)
• M15: 15,346,946 km (0.109 R)
• M16: 20,262,882 km (0.085 R)
• M17: 24,036,488 km (0.118 R)
• M18: 28,451,869 km (0.076 R)
• M19: 33,268,771 km (0.092 R)
• M20: 33,489,727 km (0.083 R)
• M21: 35,407,572 km (0.077 R)
• M22: 36,334,929 km (0.075 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 19,932 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit