🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.6

Radius: 14.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.8 AU - 1.08 AU

Year: 641 Days

Day: 14.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,813,039 km

• M1: 184,005 km (0.09 R)
• M2: 679,773 km (0.117 R)
• M3: 1,401,582 km (0.099 R)
• M4: 2,140,746 km (0.099 R)
• M5: 2,645,339 km (0.074 R)
• M6: 3,217,551 km (0.119 R)
• M7: 4,827,523 km (0.098 R)
• M8: 5,308,181 km (0.032 R)
• M9: 5,839,702 km (0.096 R)
• M10: 6,631,374 km (0.095 R)
• M11: 7,183,839 km (0.114 R)
• M12: 7,929,136 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.3

Radius: 11.4

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.2 AU - 1.32 AU

Year: 994 Days

Day: 14 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,813,039 km

• M1: 141,819 km (0.062 R)
• M2: 533,765 km (0.112 R)
• M3: 1,098,497 km (0.054 R)
• M4: 1,602,343 km (0.098 R)
• M5: 1,968,708 km (0.119 R)
• M6: 2,804,511 km (0.098 R)
• M7: 3,548,013 km (0.092 R)
• M8: 3,936,818 km (0.053 R)
• M9: 4,434,530 km (0.044 R)
• M10: 4,817,949 km (0.11 R)
• M11: 5,481,715 km (0.12 R)
• M12: 6,225,815 km (0.051 R)
• M13: 7,125,197 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.8

Radius: 13.2

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.3 AU - 1.56 AU

Year: 1202 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,813,039 km

• M1: 165,306 km (0.06 R)
• M2: 744,698 km (0.066 R)
• M3: 1,719,029 km (0.065 R)
• M4: 2,230,205 km (0.11 R)
• M5: 4,049,465 km (0.1 R)
• M6: 4,482,850 km (0.098 R)
• M7: 5,232,934 km (0.108 R)
• M8: 6,537,726 km (0.107 R)
• M9: 6,958,695 km (0.067 R)
• M10: 7,664,647 km (0.045 R)
• M11: 8,504,489 km (0.104 R)
• M12: 9,007,138 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.2

Radius: 12.4

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.4 AU - 5.14 AU

Year: 7323 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 176 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,813,039 km

• M1: 154,235 km (0.115 R)
• M2: 552,615 km (0.063 R)
• M3: 967,001 km (0.115 R)
• M4: 2,108,881 km (0.035 R)
• M5: 2,496,639 km (0.041 R)
• M6: 2,915,064 km (0.1 R)
• M7: 3,322,120 km (0.032 R)
• M8: 3,746,230 km (0.097 R)
• M9: 5,734,984 km (0.052 R)
• M10: 6,379,452 km (0.104 R)
• M11: 7,778,640 km (0.063 R)
• M12: 11,309,749 km (0.086 R)
• M13: 14,324,445 km (0.067 R)
• M14: 16,589,805 km (0.057 R)
• M15: 17,716,876 km (0.093 R)
• M16: 18,392,161 km (0.08 R)
• M17: 19,405,237 km (0.069 R)
• M18: 21,750,483 km (0.115 R)
• M19: 23,172,411 km (0.067 R)
• M20: 24,655,375 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.4

Radius: 5.7

Gravity: 20.73 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.96 AU - 6.72 AU

Year: 9920 Days

Day: 20.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 85.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,813,039 km

• M1: 71,209 km (0.058 R)
• M2: 272,119 km (0.11 R)
• M3: 1,023,399 km (0.088 R)
• M4: 3,032,798 km (0.113 R)
• M5: 4,678,374 km (0.09 R)
• M6: 5,016,914 km (0.085 R)
• M7: 6,167,172 km (0.061 R)
• M8: 6,881,502 km (0.076 R)
• M9: 7,118,166 km (0.106 R)
• M10: 7,319,525 km (0.082 R)
• M11: 7,775,948 km (0.094 R)
• M12: 8,383,913 km (0.097 R)
• M13: 11,627,644 km (0.108 R)
• M14: 14,824,102 km (0.05 R)
• M15: 16,941,660 km (0.093 R)
• M16: 17,812,918 km (0.119 R)
• M17: 19,175,156 km (0.063 R)
• M18: 19,487,067 km (0.094 R)
• M19: 20,850,502 km (0.038 R)
• M20: 22,190,750 km (0.07 R)
• M21: 25,696,127 km (0.106 R)
• M22: 27,333,476 km (0.12 R)
• M23: 27,629,380 km (0.056 R)
• M24: 28,328,302 km (0.039 R)
• M25: 29,657,479 km (0.108 R)
• M26: 30,074,707 km (0.111 R)
• M27: 35,273,981 km (0.107 R)
• M28: 35,742,372 km (0.088 R)
• M29: 39,012,582 km (0.084 R)
• M30: 42,213,527 km (0.076 R)
• M31: 43,407,318 km (0.116 R)
• M32: 43,945,123 km (0.087 R)
• M33: 44,351,430 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.7

Radius: 7.1

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.92 AU - 10.84 AU

Year: 18601 Days

Day: 21.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,813,039 km

• M1: 88,412 km (0.108 R)
• M2: 408,402 km (0.114 R)
• M3: 1,174,792 km (0.111 R)
• M4: 1,590,525 km (0.071 R)
• M5: 2,119,652 km (0.1 R)
• M6: 2,627,088 km (0.081 R)
• M7: 3,263,178 km (0.098 R)
• M8: 3,576,885 km (0.091 R)
• M9: 3,853,641 km (0.1 R)
• M10: 5,072,565 km (0.114 R)
• M11: 6,408,623 km (0.059 R)
• M12: 10,409,319 km (0.038 R)
• M13: 10,803,210 km (0.111 R)
• M14: 11,148,931 km (0.045 R)
• M15: 11,442,592 km (0.107 R)
• M16: 12,988,835 km (0.111 R)
• M17: 15,965,982 km (0.115 R)
• M18: 18,456,488 km (0.116 R)
• M19: 19,453,558 km (0.098 R)
• M20: 20,398,866 km (0.081 R)
• M21: 22,566,689 km (0.067 R)
• M22: 23,513,793 km (0.087 R)
• M23: 34,114,897 km (0.073 R)
• M24: 37,944,154 km (0.07 R)
• M25: 39,281,708 km (0.093 R)
• M26: 39,825,496 km (0.104 R)
• M27: 43,918,494 km (0.115 R)
• M28: 44,210,808 km (0.073 R)
• M29: 47,511,087 km (0.08 R)
• M30: 49,853,191 km (0.086 R)
• M31: 50,171,236 km (0.112 R)
• M32: 51,133,300 km (0.044 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 16,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit