🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.1

Radius: 8.3

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.65 AU - 0.75 AU

Year: 384 Days

Day: 8.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,706,749 km

• M1: 103,223 km (0.057 R)
• M2: 504,444 km (0.047 R)
• M3: 916,736 km (0.106 R)
• M4: 1,428,959 km (0.07 R)
• M5: 1,772,286 km (0.079 R)
• M6: 2,450,114 km (0.099 R)
• M7: 3,577,483 km (0.096 R)
• M8: 4,059,637 km (0.074 R)
• M9: 4,459,513 km (0.081 R)
• M10: 4,841,585 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.5

Radius: 10.5

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.14 AU - 1.2 AU

Year: 830 Days

Day: 14.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,706,749 km

• M1: 130,898 km (0.108 R)
• M2: 501,003 km (0.08 R)
• M3: 933,491 km (0.091 R)
• M4: 1,494,483 km (0.079 R)
• M5: 1,876,107 km (0.116 R)
• M6: 2,355,269 km (0.069 R)
• M7: 3,240,439 km (0.117 R)
• M8: 4,268,177 km (0.055 R)
• M9: 4,620,629 km (0.111 R)
• M10: 5,365,627 km (0.045 R)
• M11: 6,125,734 km (0.099 R)
• M12: 6,510,051 km (0.111 R)
• M13: 7,001,779 km (0.027 R)
• M14: 7,614,681 km (0.095 R)
• M15: 8,059,585 km (0.067 R)
• M16: 9,359,441 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 12.9

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.15 AU - 3.43 AU

Year: 3915 Days

Day: 8.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,706,749 km

• M1: 160,519 km (0.026 R)
• M2: 974,181 km (0.032 R)
• M3: 1,528,441 km (0.108 R)
• M4: 2,405,235 km (0.078 R)
• M5: 3,421,902 km (0.092 R)
• M6: 4,683,461 km (0.068 R)
• M7: 7,476,154 km (0.072 R)
• M8: 8,070,805 km (0.099 R)
• M9: 10,284,255 km (0.097 R)
• M10: 12,737,212 km (0.071 R)
• M11: 14,676,299 km (0.071 R)
• M12: 15,557,431 km (0.085 R)
• M13: 16,805,226 km (0.052 R)
• M14: 23,153,562 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.7

Radius: 12.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.02 AU - 3.9 AU

Year: 4222 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,706,749 km

• M1: 184,305 km (0.039 R)
• M2: 590,313 km (0.118 R)
• M3: 1,834,668 km (0.113 R)
• M4: 3,468,427 km (0.084 R)
• M5: 5,318,503 km (0.097 R)
• M6: 6,645,137 km (0.099 R)
• M7: 8,527,976 km (0.1 R)
• M8: 11,548,208 km (0.111 R)
• M9: 15,793,646 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.6

Radius: 11.5

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.98 AU - 3.98 AU

Year: 5209 Days

Day: 8.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,706,749 km

• M1: 143,016 km (0.117 R)
• M2: 574,157 km (0.095 R)
• M3: 1,930,261 km (0.115 R)
• M4: 2,296,028 km (0.054 R)
• M5: 2,663,590 km (0.086 R)
• M6: 3,021,578 km (0.079 R)
• M7: 3,874,884 km (0.115 R)
• M8: 4,400,571 km (0.101 R)
• M9: 5,089,170 km (0.095 R)
• M10: 5,496,525 km (0.07 R)
• M11: 6,908,729 km (0.081 R)
• M12: 9,162,122 km (0.055 R)
• M13: 10,938,896 km (0.092 R)
• M14: 11,457,402 km (0.094 R)
• M15: 12,117,876 km (0.081 R)
• M16: 12,673,184 km (0.102 R)
• M17: 13,334,855 km (0.089 R)
• M18: 14,019,415 km (0.101 R)
• M19: 14,775,333 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.4

Radius: 13

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.56 AU - 5.48 AU

Year: 7378 Days

Day: 6 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,706,749 km

• M1: 162,014 km (0.1 R)
• M2: 629,807 km (0.063 R)
• M3: 1,133,054 km (0.08 R)
• M4: 1,597,256 km (0.032 R)
• M5: 2,012,091 km (0.08 R)
• M6: 2,454,003 km (0.086 R)
• M7: 3,139,311 km (0.115 R)
• M8: 3,927,991 km (0.055 R)
• M9: 5,407,365 km (0.04 R)
• M10: 6,663,688 km (0.087 R)
• M11: 8,071,404 km (0.118 R)
• M12: 10,314,025 km (0.08 R)
• M13: 16,726,688 km (0.078 R)
• M14: 22,209,749 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.8

Radius: 10.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.89 AU - 6.03 AU

Year: 8369 Days

Day: 14.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,706,749 km

• M1: 131,945 km (0.061 R)
• M2: 470,336 km (0.095 R)
• M3: 845,527 km (0.111 R)
• M4: 1,448,257 km (0.082 R)
• M5: 1,884,036 km (0.117 R)
• M6: 2,663,740 km (0.087 R)
• M7: 3,380,014 km (0.106 R)
• M8: 3,905,402 km (0.089 R)
• M9: 4,506,935 km (0.104 R)
• M10: 5,169,205 km (0.039 R)
• M11: 6,454,400 km (0.092 R)
• M12: 7,390,733 km (0.117 R)
• M13: 7,908,342 km (0.033 R)
• M14: 9,951,101 km (0.104 R)
• M15: 11,882,409 km (0.111 R)
• M16: 13,379,884 km (0.107 R)
• M17: 15,619,514 km (0.07 R)
• M18: 19,889,785 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.3

Radius: 3.3

Gravity: 63.3 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.73 AU - 10.37 AU

Year: 17860 Days

Day: 15.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,706,749 km

• M1: 41,139 km (0.111 R)
• M2: 148,551 km (0.057 R)
• M3: 294,109 km (0.082 R)
• M4: 419,772 km (0.101 R)
• M5: 623,524 km (0.049 R)
• M6: 969,843 km (0.106 R)
• M7: 1,145,172 km (0.095 R)
• M8: 1,463,067 km (0.118 R)
• M9: 1,948,961 km (0.1 R)
• M10: 4,462,654 km (0.051 R)
• M11: 6,184,526 km (0.08 R)
• M12: 7,614,382 km (0.102 R)
• M13: 9,977,131 km (0.088 R)
• M14: 10,383,887 km (0.032 R)
• M15: 11,354,778 km (0.101 R)
• M16: 14,480,625 km (0.098 R)
• M17: 15,689,675 km (0.075 R)
• M18: 16,398,470 km (0.074 R)
• M19: 17,879,638 km (0.048 R)
• M20: 18,392,460 km (0.063 R)
• M21: 18,652,611 km (0.088 R)
• M22: 19,003,268 km (0.063 R)
• M23: 19,358,114 km (0.034 R)
• M24: 19,990,015 km (0.1 R)
• M25: 22,853,917 km (0.028 R)
• M26: 24,908,045 km (0.106 R)
• M27: 27,644,340 km (0.086 R)
• M28: 28,444,988 km (0.105 R)
• M29: 29,026,176 km (0.102 R)
• M30: 29,143,311 km (0.057 R)
• M31: 33,446,793 km (0.101 R)
• M32: 36,221,833 km (0.116 R)
• M33: 37,735,016 km (0.056 R)
• M34: 38,719,519 km (0.059 R)
• M35: 39,576,865 km (0.075 R)
• M36: 42,677,281 km (0.095 R)
• M37: 43,438,584 km (0.114 R)
• M38: 60,819,613 km (0.112 R)
• M39: 62,757,055 km (0.044 R)
• M40: 67,368,708 km (0.086 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 12,820 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit