🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.1

Radius: 12.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.82 AU - 0.92 AU

Year: 524 Days

Day: 13.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,614,872 km

• M1: 163,211 km (0.054 R)
• M2: 785,389 km (0.1 R)
• M3: 1,186,760 km (0.069 R)
• M4: 1,656,348 km (0.089 R)
• M5: 2,363,347 km (0.092 R)
• M6: 2,841,911 km (0.109 R)
• M7: 3,560,130 km (0.107 R)
• M8: 4,575,600 km (0.105 R)
• M9: 5,143,175 km (0.081 R)
• M10: 5,810,980 km (0.117 R)
• M11: 6,401,442 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.2

Radius: 10.5

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.08 AU - 1.34 AU

Year: 859 Days

Day: 12.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,614,872 km

• M1: 131,796 km (0.117 R)
• M2: 587,471 km (0.096 R)
• M3: 1,091,167 km (0.053 R)
• M4: 1,558,810 km (0.066 R)
• M5: 2,001,919 km (0.105 R)
• M6: 2,676,755 km (0.042 R)
• M7: 3,250,911 km (0.075 R)
• M8: 4,136,980 km (0.108 R)
• M9: 4,628,409 km (0.033 R)
• M10: 5,287,836 km (0.097 R)
• M11: 6,111,073 km (0.087 R)
• M12: 6,860,558 km (0.119 R)
• M13: 7,479,594 km (0.035 R)
• M14: 8,724,099 km (0.04 R)
• M15: 9,123,226 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.5

Radius: 8.5

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.44 AU - 1.58 AU

Year: 1198 Days

Day: 11 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,614,872 km

• M1: 132,394 km (0.083 R)
• M2: 435,928 km (0.109 R)
• M3: 750,832 km (0.114 R)
• M4: 1,076,506 km (0.099 R)
• M5: 1,361,490 km (0.031 R)
• M6: 1,845,140 km (0.075 R)
• M7: 2,122,195 km (0.084 R)
• M8: 2,629,183 km (0.095 R)
• M9: 3,053,592 km (0.1 R)
• M10: 3,684,446 km (0.109 R)
• M11: 4,110,052 km (0.076 R)
• M12: 4,938,675 km (0.095 R)
• M13: 6,699,741 km (0.11 R)
• M14: 7,466,729 km (0.097 R)
• M15: 8,037,594 km (0.086 R)
• M16: 8,462,901 km (0.1 R)
• M17: 9,327,876 km (0.115 R)
• M18: 9,990,146 km (0.051 R)
• M19: 10,887,135 km (0.057 R)
• M20: 11,909,337 km (0.11 R)
• M21: 12,425,150 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.4

Radius: 10.3

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.28 AU - 1.88 AU

Year: 1282 Days

Day: 11.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,614,872 km

• M1: 128,355 km (0.105 R)
• M2: 465,698 km (0.12 R)
• M3: 788,680 km (0.085 R)
• M4: 1,132,007 km (0.079 R)
• M5: 1,599,949 km (0.106 R)
• M6: 1,935,348 km (0.071 R)
• M7: 2,270,148 km (0.104 R)
• M8: 3,837,784 km (0.117 R)
• M9: 4,447,694 km (0.061 R)
• M10: 5,205,408 km (0.03 R)
• M11: 5,606,629 km (0.116 R)
• M12: 6,392,616 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.9

Radius: 11.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.97 AU - 5.61 AU

Year: 6769 Days

Day: 12.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,614,872 km

• M1: 144,212 km (0.102 R)
• M2: 702,212 km (0.055 R)
• M3: 1,239,119 km (0.075 R)
• M4: 1,660,237 km (0.109 R)
• M5: 2,638,458 km (0.059 R)
• M6: 3,782,732 km (0.106 R)
• M7: 4,819,146 km (0.08 R)
• M8: 6,483,871 km (0.118 R)
• M9: 6,954,057 km (0.109 R)
• M10: 7,702,196 km (0.118 R)
• M11: 9,150,004 km (0.084 R)
• M12: 12,020,937 km (0.091 R)
• M13: 13,906,618 km (0.107 R)
• M14: 19,678,702 km (0.091 R)
• M15: 22,589,877 km (0.065 R)
• M16: 23,516,486 km (0.044 R)
• M17: 27,564,455 km (0.073 R)
• M18: 29,251,769 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.5

Radius: 10.9

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.45 AU - 6.25 AU

Year: 7990 Days

Day: 7.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,614,872 km

• M1: 135,536 km (0.091 R)
• M2: 487,988 km (0.097 R)
• M3: 1,015,022 km (0.1 R)
• M4: 5,195,983 km (0.111 R)
• M5: 6,216,240 km (0.116 R)
• M6: 6,718,740 km (0.095 R)
• M7: 7,094,081 km (0.1 R)
• M8: 8,650,497 km (0.106 R)
• M9: 9,277,611 km (0.109 R)
• M10: 9,696,635 km (0.105 R)
• M11: 12,482,147 km (0.116 R)
• M12: 12,821,286 km (0.107 R)
• M13: 13,341,886 km (0.11 R)
• M14: 14,301,856 km (0.109 R)
• M15: 20,189,729 km (0.107 R)
• M16: 22,188,356 km (0.098 R)
• M17: 33,100,174 km (0.093 R)
• M18: 34,080,340 km (0.117 R)
• M19: 38,195,328 km (0.097 R)
• M20: 39,637,452 km (0.115 R)
• M21: 42,502,401 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.9

Radius: 8.4

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.76 AU - 6.06 AU

Year: 8125 Days

Day: 8.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 32,614,872 km

• M1: 125,213 km (0.101 R)
• M2: 405,560 km (0.103 R)
• M3: 773,271 km (0.111 R)
• M4: 1,130,362 km (0.051 R)
• M5: 1,621,342 km (0.106 R)
• M6: 2,296,327 km (0.116 R)
• M7: 2,617,813 km (0.112 R)
• M8: 2,950,070 km (0.101 R)
• M9: 3,373,282 km (0.054 R)
• M10: 3,999,948 km (0.08 R)
• M11: 4,519,202 km (0.106 R)
• M12: 4,782,046 km (0.085 R)
• M13: 5,483,959 km (0.09 R)
• M14: 7,303,667 km (0.066 R)
• M15: 8,156,375 km (0.117 R)
• M16: 9,073,859 km (0.099 R)
• M17: 9,493,630 km (0.107 R)
• M18: 10,326,741 km (0.111 R)
• M19: 11,351,337 km (0.115 R)
• M20: 11,838,876 km (0.104 R)
• M21: 13,710,346 km (0.11 R)
• M22: 14,319,508 km (0.048 R)
• M23: 15,004,367 km (0.118 R)
• M24: 16,501,393 km (0.109 R)
• M25: 17,639,085 km (0.116 R)
• M26: 18,227,154 km (0.072 R)
• M27: 24,442,198 km (0.069 R)
• M28: 24,927,792 km (0.119 R)
• M29: 28,777,843 km (0.107 R)
• M30: 30,796,816 km (0.102 R)
• M31: 31,458,487 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 19,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit