🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.7

Radius: 14.5

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.62 AU - 0.74 AU

Year: 380 Days

Day: 9.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,235,713 km

• M1: 180,265 km (0.07 R)
• M2: 656,884 km (0.031 R)
• M3: 1,224,459 km (0.084 R)
• M4: 1,921,435 km (0.12 R)
• M5: 2,413,911 km (0.094 R)
• M6: 3,200,198 km (0.089 R)
• M7: 4,485,543 km (0.068 R)
• M8: 5,175,189 km (0.076 R)
• M9: 5,662,429 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453

Radius: 8.3

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.08 AU - 1.24 AU

Year: 847 Days

Day: 9.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,235,713 km

• M1: 103,223 km (0.072 R)
• M2: 418,575 km (0.033 R)
• M3: 740,061 km (0.116 R)
• M4: 1,228,049 km (0.09 R)
• M5: 1,492,538 km (0.08 R)
• M6: 2,421,092 km (0.072 R)
• M7: 2,738,838 km (0.114 R)
• M8: 3,109,093 km (0.102 R)
• M9: 3,458,553 km (0.081 R)
• M10: 3,762,536 km (0.072 R)
• M11: 4,800,446 km (0.096 R)
• M12: 5,268,687 km (0.058 R)
• M13: 6,296,425 km (0.096 R)
• M14: 6,922,342 km (0.105 R)
• M15: 7,543,173 km (0.055 R)

Asteroid Belt

Center: 2.03 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.7

Radius: 14.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.45 AU - 3.35 AU

Year: 3350 Days

Day: 9.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,235,713 km

• M1: 179,069 km (0.081 R)
• M2: 634,295 km (0.065 R)
• M3: 1,389,615 km (0.07 R)
• M4: 2,107,834 km (0.059 R)
• M5: 3,511,960 km (0.118 R)
• M6: 4,043,481 km (0.094 R)
• M7: 4,628,857 km (0.096 R)
• M8: 5,625,927 km (0.119 R)
• M9: 6,079,657 km (0.1 R)
• M10: 8,314,650 km (0.097 R)
• M11: 10,093,817 km (0.081 R)
• M12: 11,343,558 km (0.109 R)
• M13: 13,338,146 km (0.119 R)
• M14: 14,791,938 km (0.109 R)
• M15: 15,299,225 km (0.094 R)
• M16: 15,818,180 km (0.063 R)
• M17: 20,093,687 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.3

Radius: 11.2

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.41 AU - 4.29 AU

Year: 5124 Days

Day: 7.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,235,713 km

• M1: 246,537 km (0.11 R)
• M2: 634,445 km (0.112 R)
• M3: 1,389,166 km (0.095 R)
• M4: 2,672,566 km (0.044 R)
• M5: 3,050,001 km (0.095 R)
• M6: 4,513,069 km (0.058 R)
• M7: 9,757,970 km (0.09 R)
• M8: 10,202,874 km (0.113 R)
• M9: 10,594,820 km (0.098 R)
• M10: 11,270,704 km (0.1 R)
• M11: 12,010,914 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.2

Radius: 4

Gravity: 25.39 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.07 AU - 6.39 AU

Year: 10547 Days

Day: 24.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,235,713 km

• M1: 49,816 km (0.104 R)
• M2: 211,083 km (0.105 R)
• M3: 340,186 km (0.081 R)
• M4: 662,569 km (0.109 R)
• M5: 851,960 km (0.111 R)
• M6: 1,352,365 km (0.105 R)
• M7: 1,716,785 km (0.112 R)
• M8: 3,204,087 km (0.085 R)
• M9: 3,722,294 km (0.046 R)
• M10: 4,294,356 km (0.076 R)
• M11: 4,833,657 km (0.115 R)
• M12: 6,184,226 km (0.072 R)
• M13: 6,945,680 km (0.105 R)
• M14: 7,727,179 km (0.045 R)
• M15: 8,055,546 km (0.117 R)
• M16: 9,838,753 km (0.065 R)
• M17: 10,872,624 km (0.078 R)
• M18: 12,305,622 km (0.109 R)
• M19: 14,100,796 km (0.084 R)
• M20: 15,155,760 km (0.118 R)
• M21: 19,524,168 km (0.039 R)
• M22: 20,055,988 km (0.085 R)
• M23: 21,069,065 km (0.113 R)
• M24: 21,307,674 km (0.058 R)
• M25: 22,115,951 km (0.092 R)
• M26: 23,028,348 km (0.115 R)
• M27: 24,487,227 km (0.098 R)
• M28: 26,281,204 km (0.072 R)
• M29: 30,940,280 km (0.028 R)
• M30: 31,871,078 km (0.096 R)
• M31: 32,501,933 km (0.119 R)
• M32: 34,224,702 km (0.116 R)
• M33: 39,034,722 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.2

Radius: 7

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.32 AU - 10.26 AU

Year: 19205 Days

Day: 20.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,235,713 km

• M1: 87,066 km (0.039 R)
• M2: 1,034,619 km (0.083 R)
• M3: 1,396,047 km (0.109 R)
• M4: 2,030,791 km (0.049 R)
• M5: 2,888,884 km (0.068 R)
• M6: 4,505,140 km (0.102 R)
• M7: 5,294,717 km (0.096 R)
• M8: 5,613,511 km (0.045 R)
• M9: 6,250,498 km (0.077 R)
• M10: 7,145,243 km (0.111 R)
• M11: 16,073,094 km (0.113 R)
• M12: 18,135,750 km (0.118 R)
• M13: 18,617,156 km (0.066 R)
• M14: 20,112,087 km (0.104 R)
• M15: 21,328,916 km (0.119 R)
• M16: 27,416,203 km (0.12 R)
• M17: 28,585,760 km (0.079 R)
• M18: 36,183,835 km (0.098 R)
• M19: 42,306,427 km (0.093 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 18,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit