🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.5

Radius: 10.7

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.03 AU - 1.53 AU

Year: 950 Days

Day: 6.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,155,533 km

• M1: 133,142 km (0.098 R)
• M2: 549,024 km (0.111 R)
• M3: 1,135,149 km (0.108 R)
• M4: 1,484,460 km (0.081 R)
• M5: 1,836,763 km (0.109 R)
• M6: 3,236,550 km (0.103 R)
• M7: 3,583,617 km (0.087 R)
• M8: 4,090,305 km (0.043 R)
• M9: 4,545,830 km (0.045 R)
• M10: 4,913,841 km (0.076 R)
• M11: 5,691,152 km (0.032 R)
• M12: 6,159,543 km (0.112 R)
• M13: 7,398,363 km (0.034 R)
• M14: 7,885,603 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898

Radius: 8.2

Gravity: 13.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.18 AU - 1.52 AU

Year: 1029 Days

Day: 7.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,155,533 km

• M1: 102,175 km (0.025 R)
• M2: 371,900 km (0.089 R)
• M3: 657,183 km (0.061 R)
• M4: 1,054,815 km (0.077 R)
• M5: 1,364,632 km (0.094 R)
• M6: 1,643,482 km (0.032 R)
• M7: 2,085,694 km (0.088 R)
• M8: 2,446,972 km (0.071 R)
• M9: 2,943,338 km (0.09 R)
• M10: 3,281,130 km (0.117 R)
• M11: 3,613,387 km (0.077 R)
• M12: 3,951,478 km (0.114 R)
• M13: 4,399,225 km (0.104 R)
• M14: 4,691,240 km (0.101 R)
• M15: 6,192,305 km (0.058 R)
• M16: 7,989,274 km (0.104 R)
• M17: 9,315,459 km (0.043 R)
• M18: 10,046,544 km (0.113 R)
• M19: 10,651,967 km (0.095 R)
• M20: 10,980,185 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.2

Radius: 14.5

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.45 AU - 1.77 AU

Year: 1340 Days

Day: 10.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,155,533 km

• M1: 183,108 km (0.086 R)
• M2: 1,123,181 km (0.113 R)
• M3: 1,747,004 km (0.114 R)
• M4: 3,160,704 km (0.083 R)
• M5: 4,044,378 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.8

Radius: 14.1

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.16 AU - 2.9 AU

Year: 2640 Days

Day: 14.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 83.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,155,533 km

• M1: 177,423 km (0.105 R)
• M2: 872,305 km (0.102 R)
• M3: 1,416,542 km (0.107 R)
• M4: 2,050,688 km (0.107 R)
• M5: 2,763,073 km (0.107 R)
• M6: 3,959,257 km (0.072 R)
• M7: 5,188,054 km (0.109 R)
• M8: 6,008,150 km (0.105 R)
• M9: 7,565,763 km (0.108 R)
• M10: 10,104,738 km (0.104 R)
• M11: 10,790,195 km (0.08 R)
• M12: 16,283,130 km (0.099 R)
• M13: 16,908,000 km (0.105 R)
• M14: 17,548,728 km (0.084 R)

Asteroid Belt

Center: 3.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.7

Radius: 10.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.65 AU - 4.03 AU

Year: 4936 Days

Day: 9.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,155,533 km

• M1: 133,740 km (0.045 R)
• M2: 553,213 km (0.093 R)
• M3: 961,466 km (0.065 R)
• M4: 2,490,655 km (0.099 R)
• M5: 3,032,798 km (0.077 R)
• M6: 3,773,606 km (0.104 R)
• M7: 4,944,210 km (0.089 R)
• M8: 5,349,171 km (0.058 R)
• M9: 7,132,378 km (0.061 R)
• M10: 9,056,805 km (0.082 R)
• M11: 10,219,479 km (0.077 R)
• M12: 11,090,588 km (0.095 R)
• M13: 21,953,637 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.1

Radius: 9.9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.18 AU - 6.14 AU

Year: 8834 Days

Day: 14.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,155,533 km

• M1: 124,316 km (0.118 R)
• M2: 482,453 km (0.119 R)
• M3: 900,878 km (0.092 R)
• M4: 2,359,458 km (0.077 R)
• M5: 3,433,421 km (0.117 R)
• M6: 3,816,690 km (0.058 R)
• M7: 9,087,622 km (0.092 R)
• M8: 10,048,938 km (0.087 R)
• M9: 11,467,126 km (0.094 R)
• M10: 11,816,437 km (0.077 R)
• M11: 14,177,241 km (0.117 R)
• M12: 15,956,857 km (0.065 R)
• M13: 16,900,221 km (0.115 R)
• M14: 18,486,557 km (0.077 R)
• M15: 25,575,551 km (0.093 R)
• M16: 28,654,874 km (0.049 R)
• M17: 29,765,189 km (0.087 R)
• M18: 33,369,151 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.5

Radius: 12.5

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.52 AU - 6.8 AU

Year: 8834 Days

Day: 7.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,155,533 km

• M1: 366,664 km (0.089 R)
• M2: 2,795,984 km (0.089 R)
• M3: 5,493,683 km (0.119 R)
• M4: 7,121,906 km (0.102 R)
• M5: 8,562,085 km (0.108 R)
• M6: 10,495,188 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.6

Radius: 5

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.31 AU - 11.11 AU

Year: 21402 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,155,533 km

• M1: 62,682 km (0.069 R)
• M2: 289,621 km (0.114 R)
• M3: 522,246 km (0.111 R)
• M4: 1,099,245 km (0.079 R)
• M5: 1,403,228 km (0.087 R)
• M6: 2,064,151 km (0.111 R)
• M7: 2,570,839 km (0.033 R)
• M8: 2,865,248 km (0.088 R)
• M9: 3,494,457 km (0.046 R)
• M10: 3,714,066 km (0.063 R)
• M11: 3,913,779 km (0.112 R)
• M12: 4,365,864 km (0.105 R)
• M13: 4,524,139 km (0.095 R)
• M14: 4,919,526 km (0.109 R)
• M15: 5,741,417 km (0.061 R)
• M16: 7,977,157 km (0.057 R)
• M17: 9,735,680 km (0.085 R)
• M18: 11,081,163 km (0.079 R)
• M19: 11,435,860 km (0.1 R)
• M20: 11,982,191 km (0.084 R)
• M21: 12,356,036 km (0.085 R)
• M22: 13,061,390 km (0.095 R)
• M23: 15,778,985 km (0.089 R)
• M24: 16,077,433 km (0.117 R)
• M25: 20,838,086 km (0.082 R)
• M26: 24,419,309 km (0.095 R)
• M27: 24,818,736 km (0.057 R)
• M28: 25,836,001 km (0.065 R)
• M29: 44,599,164 km (0.051 R)
• M30: 49,203,039 km (0.119 R)
• M31: 50,160,316 km (0.109 R)
• M32: 50,805,382 km (0.104 R)
• M33: 51,783,303 km (0.111 R)
• M34: 57,036,283 km (0.11 R)
• M35: 59,881,484 km (0.09 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: 411 - 14,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit