🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.6

Radius: 9.3

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.49 AU - 0.65 AU

Year: 292 Days

Day: 6.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,648,703 km

• M1: 115,938 km (0.108 R)
• M2: 464,950 km (0.08 R)
• M3: 791,223 km (0.101 R)
• M4: 1,083,089 km (0.111 R)
• M5: 1,412,054 km (0.106 R)
• M6: 1,759,421 km (0.112 R)
• M7: 2,096,465 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.8

Radius: 10

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.71 AU - 0.79 AU

Year: 441 Days

Day: 9.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,648,703 km

• M1: 124,465 km (0.077 R)
• M2: 539,001 km (0.063 R)
• M3: 995,723 km (0.052 R)
• M4: 1,314,816 km (0.07 R)
• M5: 1,631,365 km (0.062 R)
• M6: 2,016,131 km (0.111 R)
• M7: 2,864,051 km (0.099 R)
• M8: 3,287,264 km (0.081 R)
• M9: 4,315,749 km (0.1 R)
• M10: 4,677,776 km (0.114 R)
• M11: 5,380,736 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810

Radius: 11.1

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.01 AU - 2.13 AU

Year: 2020 Days

Day: 7.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,648,703 km

• M1: 140,024 km (0.115 R)
• M2: 596,148 km (0.12 R)
• M3: 1,126,023 km (0.12 R)
• M4: 1,653,356 km (0.069 R)
• M5: 2,052,632 km (0.112 R)
• M6: 4,655,037 km (0.088 R)
• M7: 5,002,852 km (0.101 R)
• M8: 5,509,690 km (0.104 R)
• M9: 6,900,351 km (0.11 R)
• M10: 7,888,595 km (0.116 R)
• M11: 8,608,909 km (0.114 R)
• M12: 9,965,462 km (0.096 R)
• M13: 10,844,948 km (0.109 R)
• M14: 11,303,765 km (0.109 R)
• M15: 11,656,367 km (0.079 R)
• M16: 12,842,828 km (0.118 R)
• M17: 15,646,890 km (0.101 R)
• M18: 16,986,838 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.3

Radius: 8.9

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.79 AU - 2.47 AU

Year: 2108 Days

Day: 8 Hours

Environment

Temp: -202 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,648,703 km

• M1: 110,702 km (0.051 R)
• M2: 535,860 km (0.03 R)
• M3: 965,804 km (0.078 R)
• M4: 1,244,804 km (0.117 R)
• M5: 1,578,856 km (0.06 R)
• M6: 1,884,484 km (0.107 R)
• M7: 2,470,310 km (0.099 R)
• M8: 2,959,495 km (0.089 R)
• M9: 3,283,075 km (0.057 R)
• M10: 4,206,991 km (0.088 R)
• M11: 4,617,637 km (0.084 R)
• M12: 5,473,936 km (0.071 R)
• M13: 5,844,789 km (0.081 R)
• M14: 7,554,992 km (0.075 R)
• M15: 8,133,337 km (0.094 R)
• M16: 8,803,236 km (0.048 R)
• M17: 9,741,963 km (0.049 R)
• M18: 10,080,653 km (0.097 R)
• M19: 10,497,432 km (0.115 R)
• M20: 14,214,341 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.9

Radius: 14.8

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.34 AU - 3.86 AU

Year: 3702 Days

Day: 11.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,648,703 km

• M1: 184,005 km (0.101 R)
• M2: 706,102 km (0.106 R)
• M3: 1,939,686 km (0.103 R)
• M4: 2,943,039 km (0.064 R)
• M5: 4,158,970 km (0.102 R)
• M6: 4,760,055 km (0.039 R)
• M7: 6,051,832 km (0.115 R)
• M8: 7,046,359 km (0.088 R)
• M9: 8,217,411 km (0.061 R)
• M10: 11,466,826 km (0.119 R)
• M11: 12,051,156 km (0.1 R)
• M12: 12,608,109 km (0.11 R)
• M13: 13,230,735 km (0.092 R)
• M14: 17,643,573 km (0.053 R)
• M15: 21,034,508 km (0.072 R)
• M16: 21,503,796 km (0.089 R)
• M17: 23,594,875 km (0.084 R)
• M18: 24,615,731 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.2

Radius: 9.9

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.03 AU - 4.61 AU

Year: 6090 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,648,703 km

• M1: 123,119 km (0.069 R)
• M2: 846,574 km (0.12 R)
• M3: 1,346,381 km (0.115 R)
• M4: 2,640,851 km (0.098 R)
• M5: 3,289,657 km (0.12 R)
• M6: 3,681,304 km (0.12 R)
• M7: 4,536,107 km (0.113 R)
• M8: 5,216,927 km (0.102 R)
• M9: 6,072,926 km (0.071 R)
• M10: 7,110,536 km (0.113 R)
• M11: 8,363,568 km (0.082 R)
• M12: 12,506,083 km (0.088 R)
• M13: 13,277,858 km (0.043 R)
• M14: 14,129,369 km (0.052 R)
• M15: 14,667,473 km (0.057 R)
• M16: 18,187,212 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.7

Radius: 5.9

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.65 AU - 11.85 AU

Year: 22258 Days

Day: 22.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,648,703 km

• M1: 73,901 km (0.082 R)
• M2: 366,066 km (0.071 R)
• M3: 672,742 km (0.078 R)
• M4: 1,079,349 km (0.071 R)
• M5: 2,752,900 km (0.103 R)
• M6: 3,781,385 km (0.059 R)
• M7: 6,736,991 km (0.084 R)
• M8: 7,407,488 km (0.041 R)
• M9: 8,469,783 km (0.107 R)
• M10: 13,326,478 km (0.114 R)
• M11: 16,970,382 km (0.049 R)
• M12: 18,038,062 km (0.11 R)
• M13: 24,773,856 km (0.039 R)
• M14: 25,931,594 km (0.064 R)
• M15: 29,737,364 km (0.081 R)
• M16: 30,208,148 km (0.069 R)
• M17: 32,887,147 km (0.099 R)
• M18: 33,390,694 km (0.108 R)
• M19: 33,644,262 km (0.116 R)
• M20: 37,332,298 km (0.094 R)
• M21: 38,156,134 km (0.069 R)
• M22: 48,357,063 km (0.074 R)
• M23: 49,171,773 km (0.101 R)
• M24: 55,842,791 km (0.083 R)
• M25: 58,010,763 km (0.117 R)
• M26: 60,610,176 km (0.079 R)
• M27: 62,706,191 km (0.045 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 11,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit