🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.7

Radius: 13.9

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.94 AU - 1 AU

Year: 637 Days

Day: 12.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,010,261 km

• M1: 172,935 km (0.069 R)
• M2: 627,114 km (0.116 R)
• M3: 1,209,349 km (0.119 R)
• M4: 1,799,513 km (0.079 R)
• M5: 2,501,127 km (0.07 R)
• M6: 3,077,378 km (0.108 R)
• M7: 3,741,443 km (0.071 R)
• M8: 4,456,072 km (0.089 R)
• M9: 5,526,445 km (0.079 R)
• M10: 6,195,596 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96

Radius: 14.1

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.41 AU - 1.83 AU

Year: 1375 Days

Day: 9.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,010,261 km

• M1: 175,478 km (0.098 R)
• M2: 717,920 km (0.109 R)
• M3: 1,169,706 km (0.109 R)
• M4: 2,057,270 km (0.111 R)
• M5: 2,555,580 km (0.119 R)
• M6: 4,043,780 km (0.085 R)
• M7: 4,773,818 km (0.115 R)
• M8: 5,487,549 km (0.083 R)
• M9: 6,197,391 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505

Radius: 8.6

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.54 AU - 2.18 AU

Year: 1692 Days

Day: 7.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,010,261 km

• M1: 106,962 km (0.111 R)
• M2: 454,628 km (0.074 R)
• M3: 756,367 km (0.109 R)
• M4: 1,151,455 km (0.053 R)
• M5: 2,389,527 km (0.077 R)
• M6: 2,818,873 km (0.11 R)
• M7: 3,648,692 km (0.043 R)
• M8: 4,022,986 km (0.102 R)
• M9: 5,539,160 km (0.107 R)
• M10: 8,005,281 km (0.115 R)
• M11: 8,463,051 km (0.075 R)
• M12: 9,182,467 km (0.061 R)
• M13: 9,941,826 km (0.098 R)
• M14: 10,674,107 km (0.103 R)
• M15: 12,509,673 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306

Radius: 10.3

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.93 AU - 2.13 AU

Year: 1929 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,010,261 km

• M1: 128,056 km (0.101 R)
• M2: 603,777 km (0.079 R)
• M3: 1,077,105 km (0.073 R)
• M4: 1,849,628 km (0.027 R)
• M5: 2,208,513 km (0.12 R)
• M6: 2,613,924 km (0.108 R)
• M7: 3,360,866 km (0.057 R)
• M8: 3,687,588 km (0.056 R)
• M9: 5,213,935 km (0.082 R)
• M10: 5,696,986 km (0.065 R)
• M11: 6,118,403 km (0.092 R)
• M12: 6,949,270 km (0.115 R)
• M13: 7,302,022 km (0.115 R)
• M14: 8,404,558 km (0.066 R)
• M15: 11,140,703 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.3

Radius: 12.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.58 AU - 3.66 AU

Year: 4593 Days

Day: 13.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,010,261 km

• M1: 156,629 km (0.048 R)
• M2: 821,741 km (0.115 R)
• M3: 1,595,461 km (0.116 R)
• M4: 2,097,213 km (0.115 R)
• M5: 2,494,245 km (0.11 R)
• M6: 3,282,177 km (0.118 R)
• M7: 4,043,032 km (0.036 R)
• M8: 5,603,338 km (0.079 R)
• M9: 6,295,527 km (0.067 R)
• M10: 6,925,185 km (0.094 R)
• M11: 7,533,749 km (0.031 R)
• M12: 8,310,760 km (0.081 R)
• M13: 9,033,916 km (0.08 R)
• M14: 13,204,106 km (0.05 R)
• M15: 14,430,959 km (0.098 R)
• M16: 15,425,336 km (0.12 R)
• M17: 16,358,826 km (0.113 R)
• M18: 17,550,523 km (0.108 R)
• M19: 19,743,927 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.2

Radius: 9.1

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5 AU - 6.22 AU

Year: 8861 Days

Day: 11.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,010,261 km

• M1: 113,395 km (0.091 R)
• M2: 448,046 km (0.092 R)
• M3: 824,883 km (0.119 R)
• M4: 1,619,547 km (0.073 R)
• M5: 2,011,343 km (0.076 R)
• M6: 2,899,656 km (0.091 R)
• M7: 3,335,285 km (0.087 R)
• M8: 3,683,848 km (0.052 R)
• M9: 4,195,771 km (0.096 R)
• M10: 4,542,988 km (0.096 R)
• M11: 4,972,334 km (0.061 R)
• M12: 5,295,465 km (0.104 R)
• M13: 7,006,865 km (0.096 R)
• M14: 9,542,250 km (0.049 R)
• M15: 13,733,982 km (0.095 R)
• M16: 14,050,681 km (0.101 R)
• M17: 17,198,220 km (0.073 R)
• M18: 19,646,389 km (0.12 R)
• M19: 20,953,725 km (0.104 R)
• M20: 24,566,813 km (0.11 R)
• M21: 25,890,155 km (0.104 R)
• M22: 27,359,955 km (0.116 R)
• M23: 27,862,005 km (0.062 R)
• M24: 28,472,664 km (0.075 R)
• M25: 30,680,130 km (0.061 R)
• M26: 31,004,458 km (0.071 R)
• M27: 39,622,791 km (0.096 R)
• M28: 41,046,065 km (0.115 R)
• M29: 42,102,226 km (0.109 R)
• M30: 49,562,373 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.8

Radius: 6.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.34 AU - 11.28 AU

Year: 18943 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,010,261 km

• M1: 86,318 km (0.116 R)
• M2: 308,770 km (0.113 R)
• M3: 521,049 km (0.043 R)
• M4: 792,121 km (0.097 R)
• M5: 1,314,816 km (0.059 R)
• M6: 1,814,323 km (0.104 R)
• M7: 2,299,319 km (0.112 R)
• M8: 3,000,784 km (0.093 R)
• M9: 3,944,297 km (0.088 R)
• M10: 5,401,530 km (0.054 R)
• M11: 6,707,221 km (0.035 R)
• M12: 8,166,398 km (0.088 R)
• M13: 8,436,273 km (0.079 R)
• M14: 11,416,711 km (0.118 R)
• M15: 15,991,564 km (0.059 R)
• M16: 21,147,005 km (0.115 R)
• M17: 23,055,425 km (0.109 R)
• M18: 23,504,518 km (0.096 R)
• M19: 33,302,132 km (0.102 R)
• M20: 36,359,164 km (0.1 R)
• M21: 37,707,190 km (0.056 R)
• M22: 38,582,039 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 10,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit