🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185

Radius: 14.1

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.53 AU - 1.73 AU

Year: 1365 Days

Day: 12.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,992,061 km

• M1: 175,329 km (0.096 R)
• M2: 701,464 km (0.045 R)
• M3: 1,345,334 km (0.066 R)
• M4: 2,292,737 km (0.07 R)
• M5: 2,782,072 km (0.093 R)
• M6: 3,580,475 km (0.032 R)
• M7: 4,064,275 km (0.089 R)
• M8: 4,838,893 km (0.067 R)
• M9: 5,561,002 km (0.098 R)
• M10: 7,310,250 km (0.067 R)
• M11: 7,834,889 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.8

Radius: 12.4

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.19 AU - 2.21 AU

Year: 2141 Days

Day: 12.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,992,061 km

• M1: 154,235 km (0.06 R)
• M2: 899,382 km (0.104 R)
• M3: 1,285,794 km (0.098 R)
• M4: 1,750,893 km (0.106 R)
• M5: 2,615,270 km (0.114 R)
• M6: 3,854,688 km (0.079 R)
• M7: 4,767,535 km (0.08 R)
• M8: 5,334,211 km (0.099 R)
• M9: 6,926,082 km (0.099 R)
• M10: 7,529,560 km (0.101 R)
• M11: 10,210,204 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548

Radius: 10

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.9 AU - 2.76 AU

Year: 2333 Days

Day: 14.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,992,061 km

• M1: 125,961 km (0.054 R)
• M2: 541,095 km (0.072 R)
• M3: 1,035,666 km (0.095 R)
• M4: 1,382,434 km (0.058 R)
• M5: 1,918,443 km (0.077 R)
• M6: 2,371,126 km (0.056 R)
• M7: 2,879,161 km (0.117 R)
• M8: 3,290,106 km (0.082 R)
• M9: 4,056,197 km (0.088 R)
• M10: 4,471,480 km (0.074 R)
• M11: 5,091,713 km (0.109 R)
• M12: 5,647,469 km (0.037 R)
• M13: 6,065,146 km (0.044 R)
• M14: 6,529,947 km (0.087 R)
• M15: 6,990,409 km (0.095 R)
• M16: 7,414,818 km (0.053 R)
• M17: 8,599,035 km (0.076 R)
• M18: 10,550,390 km (0.12 R)
• M19: 10,958,493 km (0.117 R)
• M20: 12,531,963 km (0.067 R)
• M21: 13,159,227 km (0.118 R)
• M22: 13,763,453 km (0.113 R)
• M23: 14,206,263 km (0.039 R)
• M24: 16,863,869 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.3

Radius: 12.8

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.9 AU - 2.94 AU

Year: 3273 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,992,061 km

• M1: 159,322 km (0.115 R)
• M2: 663,766 km (0.093 R)
• M3: 1,322,894 km (0.088 R)
• M4: 1,919,191 km (0.104 R)
• M5: 2,476,742 km (0.041 R)
• M6: 3,376,424 km (0.105 R)
• M7: 3,921,559 km (0.097 R)
• M8: 4,483,149 km (0.081 R)
• M9: 5,378,193 km (0.08 R)
• M10: 6,362,397 km (0.105 R)
• M11: 6,855,472 km (0.085 R)
• M12: 9,823,045 km (0.114 R)
• M13: 10,296,971 km (0.078 R)
• M14: 12,056,990 km (0.067 R)
• M15: 12,987,040 km (0.036 R)
• M16: 14,752,444 km (0.08 R)
• M17: 15,229,811 km (0.05 R)
• M18: 17,191,039 km (0.103 R)
• M19: 17,720,017 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.9

Radius: 12.4

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.68 AU - 5.82 AU

Year: 6791 Days

Day: 14 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,992,061 km

• M1: 154,235 km (0.114 R)
• M2: 606,021 km (0.05 R)
• M3: 1,006,494 km (0.098 R)
• M4: 1,516,025 km (0.111 R)
• M5: 2,180,090 km (0.085 R)
• M6: 2,636,513 km (0.109 R)
• M7: 3,221,141 km (0.046 R)
• M8: 3,673,675 km (0.051 R)
• M9: 4,142,963 km (0.106 R)
• M10: 4,624,369 km (0.116 R)
• M11: 5,143,025 km (0.116 R)
• M12: 6,936,255 km (0.103 R)
• M13: 7,462,540 km (0.1 R)
• M14: 8,637,931 km (0.028 R)
• M15: 10,750,103 km (0.106 R)
• M16: 14,413,306 km (0.058 R)
• M17: 21,237,363 km (0.067 R)
• M18: 23,250,351 km (0.062 R)
• M19: 23,667,730 km (0.117 R)
• M20: 27,281,715 km (0.112 R)
• M21: 28,405,344 km (0.111 R)
• M22: 31,961,585 km (0.106 R)
• M23: 33,421,361 km (0.109 R)
• M24: 33,846,518 km (0.111 R)
• M25: 36,811,249 km (0.073 R)
• M26: 38,531,176 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.1

Radius: 6.2

Gravity: 13.01 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.27 AU - 6.79 AU

Year: 9714 Days

Day: 18.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,992,061 km

• M1: 77,043 km (0.098 R)
• M2: 349,012 km (0.088 R)
• M3: 558,449 km (0.088 R)
• M4: 837,000 km (0.106 R)
• M5: 1,139,936 km (0.117 R)
• M6: 3,185,387 km (0.074 R)
• M7: 4,110,201 km (0.1 R)
• M8: 7,069,098 km (0.106 R)
• M9: 7,658,065 km (0.092 R)
• M10: 8,194,523 km (0.113 R)
• M11: 9,341,938 km (0.066 R)
• M12: 10,393,462 km (0.052 R)
• M13: 11,628,093 km (0.085 R)
• M14: 12,115,333 km (0.053 R)
• M15: 13,778,263 km (0.115 R)
• M16: 14,323,847 km (0.076 R)
• M17: 16,787,125 km (0.062 R)
• M18: 17,832,665 km (0.051 R)
• M19: 18,773,186 km (0.09 R)
• M20: 22,700,430 km (0.05 R)
• M21: 25,301,637 km (0.101 R)
• M22: 27,902,696 km (0.093 R)
• M23: 28,385,298 km (0.115 R)
• M24: 28,873,287 km (0.07 R)
• M25: 32,130,331 km (0.114 R)
• M26: 36,077,920 km (0.04 R)
• M27: 37,345,762 km (0.118 R)
• M28: 40,459,941 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.3

Radius: 4.8

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.5 AU - 13.08 AU

Year: 23251 Days

Day: 17.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,992,061 km

• M1: 59,989 km (0.086 R)
• M2: 348,862 km (0.111 R)
• M3: 609,611 km (0.033 R)
• M4: 774,618 km (0.112 R)
• M5: 1,156,840 km (0.071 R)
• M6: 1,814,024 km (0.05 R)
• M7: 2,416,754 km (0.114 R)
• M8: 3,013,500 km (0.09 R)
• M9: 4,164,655 km (0.094 R)
• M10: 5,351,116 km (0.065 R)
• M11: 6,021,613 km (0.117 R)
• M12: 7,338,823 km (0.059 R)
• M13: 12,896,234 km (0.081 R)
• M14: 13,311,069 km (0.045 R)
• M15: 14,608,830 km (0.119 R)
• M16: 15,365,197 km (0.09 R)
• M17: 17,286,333 km (0.079 R)
• M18: 17,960,720 km (0.072 R)
• M19: 27,927,828 km (0.047 R)
• M20: 28,738,349 km (0.098 R)
• M21: 30,406,216 km (0.068 R)
• M22: 30,649,612 km (0.047 R)
• M23: 33,027,320 km (0.119 R)
• M24: 35,930,716 km (0.089 R)
• M25: 36,889,040 km (0.09 R)
• M26: 37,165,945 km (0.103 R)
• M27: 38,287,481 km (0.118 R)
• M28: 38,713,835 km (0.028 R)
• M29: 44,235,193 km (0.037 R)
• M30: 55,708,003 km (0.064 R)
• M31: 56,438,639 km (0.084 R)
• M32: 58,293,054 km (0.074 R)
• M33: 59,046,130 km (0.101 R)
• M34: 60,571,579 km (0.081 R)
• M35: 61,150,224 km (0.058 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 15,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit