🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.7

Radius: 9.8

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.62 AU - 0.98 AU

Year: 494 Days

Day: 6.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,718,051 km

• M1: 122,221 km (0.108 R)
• M2: 428,897 km (0.118 R)
• M3: 779,255 km (0.087 R)
• M4: 1,091,765 km (0.1 R)
• M5: 1,752,988 km (0.116 R)
• M6: 2,230,205 km (0.108 R)
• M7: 2,608,987 km (0.098 R)
• M8: 3,295,342 km (0.109 R)
• M9: 3,694,768 km (0.106 R)
• M10: 4,228,533 km (0.081 R)
• M11: 4,991,931 km (0.107 R)
• M12: 5,415,293 km (0.058 R)
• M13: 5,753,085 km (0.039 R)
• M14: 6,589,936 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.7

Radius: 10

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.78 AU - 0.86 AU

Year: 513 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,718,051 km

• M1: 124,316 km (0.103 R)
• M2: 579,243 km (0.101 R)
• M3: 906,563 km (0.056 R)
• M4: 1,481,468 km (0.108 R)
• M5: 2,095,866 km (0.081 R)
• M6: 2,894,120 km (0.117 R)
• M7: 3,406,493 km (0.08 R)
• M8: 3,763,284 km (0.101 R)
• M9: 4,720,112 km (0.063 R)
• M10: 6,213,248 km (0.08 R)

Asteroid Belt

Center: 1.87 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.7

Radius: 11.7

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.83 AU - 2.99 AU

Year: 3426 Days

Day: 14 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,718,051 km

• M1: 145,708 km (0.113 R)
• M2: 617,390 km (0.041 R)
• M3: 1,304,493 km (0.091 R)
• M4: 1,958,236 km (0.104 R)
• M5: 2,472,703 km (0.096 R)
• M6: 2,955,007 km (0.086 R)
• M7: 3,962,100 km (0.113 R)
• M8: 5,733,638 km (0.11 R)
• M9: 6,764,666 km (0.106 R)
• M10: 7,781,333 km (0.102 R)
• M11: 8,824,330 km (0.102 R)
• M12: 9,417,635 km (0.081 R)
• M13: 9,840,698 km (0.042 R)
• M14: 10,236,384 km (0.094 R)
• M15: 10,642,692 km (0.097 R)
• M16: 11,882,409 km (0.049 R)
• M17: 12,745,290 km (0.113 R)
• M18: 13,215,925 km (0.116 R)
• M19: 15,007,210 km (0.118 R)
• M20: 18,702,875 km (0.04 R)
• M21: 20,375,828 km (0.063 R)
• M22: 21,150,446 km (0.092 R)
• M23: 22,011,831 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.8

Radius: 14.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.95 AU - 4.15 AU

Year: 4617 Days

Day: 11.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,718,051 km

• M1: 181,612 km (0.082 R)
• M2: 686,205 km (0.051 R)
• M3: 1,154,297 km (0.112 R)
• M4: 2,619,908 km (0.026 R)
• M5: 3,152,626 km (0.104 R)
• M6: 3,737,703 km (0.088 R)
• M7: 4,218,211 km (0.093 R)
• M8: 4,763,795 km (0.109 R)
• M9: 5,229,044 km (0.104 R)
• M10: 6,366,885 km (0.105 R)
• M11: 8,587,067 km (0.081 R)
• M12: 10,089,329 km (0.097 R)
• M13: 11,240,934 km (0.096 R)
• M14: 13,609,965 km (0.082 R)
• M15: 15,434,162 km (0.097 R)
• M16: 16,626,307 km (0.089 R)
• M17: 17,762,653 km (0.086 R)
• M18: 18,889,574 km (0.049 R)
• M19: 21,681,967 km (0.064 R)
• M20: 22,217,827 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.9

Radius: 9.9

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.31 AU - 3.97 AU

Year: 4794 Days

Day: 10.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,718,051 km

• M1: 123,119 km (0.112 R)
• M2: 506,538 km (0.089 R)
• M3: 867,967 km (0.118 R)
• M4: 1,642,884 km (0.065 R)
• M5: 2,094,819 km (0.09 R)
• M6: 3,332,442 km (0.1 R)
• M7: 4,303,033 km (0.113 R)
• M8: 5,280,506 km (0.091 R)
• M9: 5,716,434 km (0.093 R)
• M10: 7,381,608 km (0.114 R)
• M11: 8,039,988 km (0.093 R)
• M12: 11,258,885 km (0.059 R)
• M13: 11,933,572 km (0.116 R)
• M14: 12,943,956 km (0.104 R)
• M15: 13,955,686 km (0.089 R)
• M16: 14,397,149 km (0.115 R)
• M17: 14,904,885 km (0.096 R)
• M18: 15,482,931 km (0.092 R)
• M19: 16,075,937 km (0.085 R)
• M20: 20,376,277 km (0.086 R)
• M21: 21,743,751 km (0.118 R)
• M22: 23,712,609 km (0.11 R)
• M23: 28,971,423 km (0.042 R)
• M24: 29,781,047 km (0.087 R)
• M25: 30,513,328 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.6

Radius: 12.4

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.46 AU - 5.58 AU

Year: 7764 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,718,051 km

• M1: 156,031 km (0.066 R)
• M2: 643,420 km (0.089 R)
• M3: 2,214,048 km (0.045 R)
• M4: 3,101,912 km (0.113 R)
• M5: 4,092,100 km (0.058 R)
• M6: 4,517,257 km (0.097 R)
• M7: 5,139,734 km (0.032 R)
• M8: 7,611,839 km (0.07 R)
• M9: 11,606,850 km (0.063 R)
• M10: 12,515,956 km (0.067 R)
• M11: 17,268,082 km (0.116 R)
• M12: 18,927,422 km (0.107 R)
• M13: 21,724,752 km (0.049 R)
• M14: 22,254,478 km (0.085 R)
• M15: 22,948,313 km (0.117 R)
• M16: 25,784,390 km (0.066 R)
• M17: 28,037,035 km (0.043 R)
• M18: 29,394,635 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.9

Radius: 4.3

Gravity: 17.46 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.74 AU - 11.88 AU

Year: 22851 Days

Day: 19.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,718,051 km

• M1: 53,556 km (0.046 R)
• M2: 230,979 km (0.054 R)
• M3: 483,201 km (0.087 R)
• M4: 652,396 km (0.057 R)
• M5: 914,342 km (0.048 R)
• M6: 2,093,921 km (0.114 R)
• M7: 3,772,559 km (0.111 R)
• M8: 4,223,148 km (0.119 R)
• M9: 7,944,096 km (0.118 R)
• M10: 9,955,589 km (0.051 R)
• M11: 11,593,087 km (0.037 R)
• M12: 17,324,780 km (0.105 R)
• M13: 18,559,860 km (0.046 R)
• M14: 20,929,041 km (0.117 R)
• M15: 32,178,352 km (0.048 R)
• M16: 47,193,939 km (0.095 R)
• M17: 60,173,051 km (0.045 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: 305 - 15,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit