🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.6

Radius: 15

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.72 AU - 1.1 AU

Year: 552 Days

Day: 14.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,014,656 km

• M1: 186,549 km (0.058 R)
• M2: 655,388 km (0.096 R)
• M3: 1,971,251 km (0.08 R)
• M4: 2,635,765 km (0.112 R)
• M5: 3,173,270 km (0.082 R)
• M6: 4,143,263 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.4

Radius: 11.6

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.77 AU - 1.07 AU

Year: 561 Days

Day: 6.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,014,656 km

• M1: 144,512 km (0.099 R)
• M2: 540,198 km (0.098 R)
• M3: 947,254 km (0.111 R)
• M4: 1,311,973 km (0.092 R)
• M5: 1,841,101 km (0.045 R)
• M6: 2,261,471 km (0.092 R)
• M7: 2,626,191 km (0.118 R)
• M8: 3,253,754 km (0.096 R)
• M9: 3,810,557 km (0.078 R)
• M10: 4,317,694 km (0.098 R)
• M11: 4,824,382 km (0.03 R)
• M12: 5,338,250 km (0.061 R)
• M13: 5,717,780 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.6

Radius: 9.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.98 AU - 4.58 AU

Year: 4673 Days

Day: 9.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,014,656 km

• M1: 119,529 km (0.085 R)
• M2: 660,026 km (0.089 R)
• M3: 2,116,062 km (0.108 R)
• M4: 3,363,708 km (0.114 R)
• M5: 5,937,539 km (0.047 R)
• M6: 8,836,896 km (0.076 R)
• M7: 11,611,637 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914

Radius: 5.3

Gravity: 32.54 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.84 AU - 8.32 AU

Year: 13269 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,014,656 km

• M1: 66,421 km (0.038 R)
• M2: 248,183 km (0.06 R)
• M3: 443,408 km (0.084 R)
• M4: 771,775 km (0.036 R)
• M5: 2,074,474 km (0.08 R)
• M6: 2,913,718 km (0.099 R)
• M7: 3,369,243 km (0.11 R)
• M8: 3,841,823 km (0.107 R)
• M9: 4,421,066 km (0.089 R)
• M10: 5,713,143 km (0.068 R)
• M11: 7,283,023 km (0.063 R)
• M12: 7,927,640 km (0.11 R)
• M13: 8,913,340 km (0.107 R)
• M14: 9,435,736 km (0.118 R)
• M15: 10,257,178 km (0.091 R)
• M16: 12,679,317 km (0.086 R)
• M17: 12,874,991 km (0.057 R)
• M18: 14,872,422 km (0.076 R)
• M19: 15,236,543 km (0.069 R)
• M20: 26,280,756 km (0.081 R)
• M21: 28,340,868 km (0.111 R)
• M22: 28,787,866 km (0.116 R)
• M23: 29,695,925 km (0.067 R)
• M24: 32,170,424 km (0.103 R)
• M25: 32,413,071 km (0.051 R)
• M26: 33,644,412 km (0.11 R)
• M27: 41,121,164 km (0.065 R)
• M28: 42,417,579 km (0.076 R)
• M29: 46,315,351 km (0.101 R)
• M30: 48,350,929 km (0.044 R)
• M31: 49,471,268 km (0.1 R)
• M32: 54,126,006 km (0.065 R)
• M33: 54,814,006 km (0.062 R)
• M34: 63,720,166 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.2

Radius: 4.3

Gravity: 38.68 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.82 AU - 9.94 AU

Year: 18266 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,014,656 km

• M1: 54,154 km (0.12 R)
• M2: 232,176 km (0.115 R)
• M3: 397,781 km (0.052 R)
• M4: 583,581 km (0.109 R)
• M5: 735,573 km (0.107 R)
• M6: 1,057,208 km (0.101 R)
• M7: 1,201,570 km (0.114 R)
• M8: 1,734,288 km (0.088 R)
• M9: 2,033,633 km (0.089 R)
• M10: 2,344,647 km (0.073 R)
• M11: 2,710,564 km (0.093 R)
• M12: 8,133,636 km (0.064 R)
• M13: 8,648,103 km (0.119 R)
• M14: 9,460,121 km (0.111 R)
• M15: 11,297,182 km (0.109 R)
• M16: 13,010,676 km (0.086 R)
• M17: 15,270,951 km (0.058 R)
• M18: 16,534,155 km (0.079 R)
• M19: 17,950,697 km (0.101 R)
• M20: 19,536,884 km (0.111 R)
• M21: 20,270,811 km (0.117 R)
• M22: 21,696,329 km (0.112 R)
• M23: 22,087,378 km (0.096 R)
• M24: 27,722,729 km (0.109 R)
• M25: 28,299,280 km (0.083 R)
• M26: 32,305,511 km (0.066 R)
• M27: 37,930,091 km (0.057 R)
• M28: 42,781,849 km (0.1 R)
• M29: 49,029,505 km (0.078 R)
• M30: 50,724,000 km (0.115 R)
• M31: 52,984,723 km (0.114 R)
• M32: 61,133,619 km (0.091 R)
• M33: 64,896,454 km (0.108 R)
• M34: 68,600,946 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.5

Radius: 7.4

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.91 AU - 11.89 AU

Year: 21325 Days

Day: 18 Hours

Environment

Temp: -231 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,014,656 km

• M1: 194,926 km (0.07 R)
• M2: 588,368 km (0.109 R)
• M3: 1,570,329 km (0.118 R)
• M4: 1,871,918 km (0.065 R)
• M5: 2,192,058 km (0.095 R)
• M6: 2,482,726 km (0.088 R)
• M7: 3,041,325 km (0.088 R)
• M8: 5,046,235 km (0.112 R)
• M9: 6,425,378 km (0.114 R)
• M10: 7,612,736 km (0.098 R)
• M11: 9,201,765 km (0.112 R)
• M12: 11,918,911 km (0.088 R)
• M13: 13,289,826 km (0.108 R)
• M14: 18,787,249 km (0.11 R)
• M15: 19,830,544 km (0.098 R)
• M16: 20,547,118 km (0.097 R)
• M17: 23,487,614 km (0.034 R)
• M18: 35,778,874 km (0.086 R)
• M19: 37,243,437 km (0.076 R)
• M20: 43,502,313 km (0.078 R)
• M21: 45,323,517 km (0.065 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 14,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit