🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.5

Radius: 9

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.22 AU - 1.64 AU

Year: 1160 Days

Day: 9.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 73.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,576,730 km

• M1: 112,647 km (0.099 R)
• M2: 479,611 km (0.119 R)
• M3: 889,659 km (0.07 R)
• M4: 1,186,910 km (0.079 R)
• M5: 2,219,135 km (0.059 R)
• M6: 3,305,814 km (0.04 R)
• M7: 3,747,277 km (0.091 R)
• M8: 4,227,636 km (0.036 R)
• M9: 6,376,609 km (0.103 R)
• M10: 7,506,372 km (0.058 R)
• M11: 7,944,096 km (0.111 R)
• M12: 8,554,006 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.4

Radius: 8.6

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.37 AU - 4.53 AU

Year: 5325 Days

Day: 9.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,576,730 km

• M1: 107,262 km (0.103 R)
• M2: 492,925 km (0.078 R)
• M3: 1,164,021 km (0.08 R)
• M4: 1,453,643 km (0.069 R)
• M5: 1,779,018 km (0.078 R)
• M6: 3,272,753 km (0.109 R)
• M7: 3,948,935 km (0.101 R)
• M8: 4,792,069 km (0.044 R)
• M9: 5,663,327 km (0.105 R)
• M10: 7,646,246 km (0.12 R)
• M11: 8,449,437 km (0.074 R)
• M12: 9,799,857 km (0.083 R)
• M13: 10,439,239 km (0.113 R)
• M14: 12,475,565 km (0.069 R)
• M15: 13,587,077 km (0.12 R)
• M16: 17,317,001 km (0.094 R)
• M17: 20,016,195 km (0.096 R)
• M18: 20,491,916 km (0.085 R)
• M19: 23,430,467 km (0.108 R)
• M20: 25,196,321 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.5

Radius: 11.3

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.51 AU - 5.13 AU

Year: 6090 Days

Day: 7.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,576,730 km

• M1: 141,968 km (0.114 R)
• M2: 620,831 km (0.034 R)
• M3: 1,019,210 km (0.111 R)
• M4: 1,373,458 km (0.034 R)
• M5: 1,749,098 km (0.115 R)
• M6: 2,121,896 km (0.089 R)
• M7: 2,887,987 km (0.046 R)
• M8: 3,576,735 km (0.066 R)
• M9: 4,117,233 km (0.108 R)
• M10: 5,527,492 km (0.1 R)
• M11: 6,221,775 km (0.057 R)
• M12: 7,960,851 km (0.116 R)
• M13: 11,994,308 km (0.032 R)
• M14: 12,909,548 km (0.114 R)
• M15: 13,922,475 km (0.105 R)
• M16: 15,878,318 km (0.093 R)
• M17: 17,219,762 km (0.108 R)
• M18: 18,259,019 km (0.12 R)
• M19: 22,191,199 km (0.118 R)
• M20: 25,389,751 km (0.032 R)
• M21: 26,494,232 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.9

Radius: 9.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.73 AU - 5.99 AU

Year: 8417 Days

Day: 13 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,576,730 km

• M1: 125,213 km (0.099 R)
• M2: 553,811 km (0.119 R)
• M3: 1,068,428 km (0.067 R)
• M4: 1,375,253 km (0.072 R)
• M5: 1,769,593 km (0.067 R)
• M6: 2,338,963 km (0.065 R)
• M7: 3,540,682 km (0.106 R)
• M8: 3,963,745 km (0.082 R)
• M9: 4,855,498 km (0.067 R)
• M10: 5,379,091 km (0.073 R)
• M11: 5,717,182 km (0.092 R)
• M12: 8,830,912 km (0.118 R)
• M13: 10,771,944 km (0.091 R)
• M14: 11,410,727 km (0.062 R)
• M15: 12,179,211 km (0.1 R)
• M16: 12,927,051 km (0.102 R)
• M17: 14,280,014 km (0.119 R)
• M18: 17,198,968 km (0.1 R)
• M19: 22,407,367 km (0.116 R)
• M20: 25,026,826 km (0.111 R)
• M21: 26,852,818 km (0.071 R)
• M22: 27,935,158 km (0.117 R)
• M23: 29,328,812 km (0.072 R)
• M24: 30,963,618 km (0.079 R)
• M25: 33,373,639 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.8

Radius: 6

Gravity: 27.66 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.98 AU - 7.14 AU

Year: 10118 Days

Day: 16.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,576,730 km

• M1: 75,098 km (0.091 R)
• M2: 449,542 km (0.108 R)
• M3: 640,877 km (0.075 R)
• M4: 858,841 km (0.11 R)
• M5: 1,326,484 km (0.11 R)
• M6: 1,766,601 km (0.095 R)
• M7: 2,603,302 km (0.101 R)
• M8: 3,121,060 km (0.091 R)
• M9: 3,391,833 km (0.033 R)
• M10: 4,793,864 km (0.108 R)
• M11: 6,465,022 km (0.113 R)
• M12: 6,783,815 km (0.088 R)
• M13: 8,824,479 km (0.115 R)
• M14: 9,266,840 km (0.092 R)
• M15: 9,723,862 km (0.08 R)
• M16: 12,057,289 km (0.098 R)
• M17: 15,222,182 km (0.114 R)
• M18: 15,502,678 km (0.095 R)
• M19: 19,224,673 km (0.11 R)
• M20: 26,109,466 km (0.09 R)
• M21: 28,372,134 km (0.083 R)
• M22: 32,235,948 km (0.119 R)
• M23: 34,353,206 km (0.088 R)
• M24: 38,602,235 km (0.079 R)
• M25: 39,782,861 km (0.088 R)
• M26: 40,717,698 km (0.109 R)
• M27: 41,394,329 km (0.095 R)
• M28: 43,048,732 km (0.108 R)
• M29: 46,341,980 km (0.094 R)
• M30: 52,782,168 km (0.096 R)
• M31: 53,586,406 km (0.094 R)
• M32: 54,072,898 km (0.067 R)
• M33: 54,562,233 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.8

Radius: 7.6

Gravity: 10.59 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.11 AU - 8.15 AU

Year: 14295 Days

Day: 22.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,576,730 km

• M1: 94,695 km (0.076 R)
• M2: 397,332 km (0.084 R)
• M3: 954,584 km (0.061 R)
• M4: 1,550,582 km (0.078 R)
• M5: 2,433,957 km (0.108 R)
• M6: 2,733,153 km (0.051 R)
• M7: 2,985,375 km (0.097 R)
• M8: 6,166,275 km (0.103 R)
• M9: 6,766,461 km (0.052 R)
• M10: 7,852,243 km (0.088 R)
• M11: 8,801,142 km (0.039 R)
• M12: 9,252,329 km (0.11 R)
• M13: 10,364,888 km (0.081 R)
• M14: 10,698,641 km (0.029 R)
• M15: 11,039,425 km (0.047 R)
• M16: 11,446,182 km (0.119 R)
• M17: 12,600,778 km (0.109 R)
• M18: 15,139,604 km (0.059 R)
• M19: 16,081,173 km (0.041 R)
• M20: 16,528,620 km (0.08 R)
• M21: 20,412,929 km (0.108 R)
• M22: 28,601,318 km (0.083 R)
• M23: 33,292,707 km (0.109 R)
• M24: 34,510,134 km (0.118 R)
• M25: 35,505,259 km (0.09 R)
• M26: 37,945,051 km (0.092 R)
• M27: 41,740,947 km (0.072 R)
• M28: 50,077,588 km (0.108 R)
• M29: 53,634,876 km (0.106 R)
• M30: 57,011,898 km (0.12 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 11,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit