🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.5

Radius: 9.9

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.63 AU - 1.05 AU

Year: 513 Days

Day: 11.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,617,108 km

• M1: 123,269 km (0.114 R)
• M2: 490,980 km (0.118 R)
• M3: 812,466 km (0.044 R)
• M4: 1,160,131 km (0.086 R)
• M5: 1,484,609 km (0.068 R)
• M6: 1,846,935 km (0.097 R)
• M7: 2,681,691 km (0.108 R)
• M8: 3,043,569 km (0.065 R)
• M9: 3,959,407 km (0.048 R)
• M10: 4,316,647 km (0.095 R)
• M11: 4,650,699 km (0.108 R)
• M12: 5,984,962 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.9

Radius: 11.4

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.84 AU - 1.22 AU

Year: 697 Days

Day: 7.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,617,108 km

• M1: 141,819 km (0.09 R)
• M2: 655,089 km (0.061 R)
• M3: 1,329,476 km (0.119 R)
• M4: 1,709,156 km (0.063 R)
• M5: 2,101,401 km (0.055 R)
• M6: 2,705,477 km (0.093 R)
• M7: 3,508,220 km (0.098 R)
• M8: 3,972,571 km (0.073 R)
• M9: 4,434,081 km (0.033 R)
• M10: 5,121,034 km (0.033 R)
• M11: 5,668,862 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.4

Radius: 14.5

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.92 AU - 2.4 AU

Year: 2117 Days

Day: 7.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,617,108 km

• M1: 181,013 km (0.087 R)
• M2: 968,197 km (0.118 R)
• M3: 1,445,863 km (0.045 R)
• M4: 2,018,075 km (0.08 R)
• M5: 2,984,178 km (0.059 R)
• M6: 3,875,034 km (0.084 R)
• M7: 5,085,131 km (0.049 R)
• M8: 6,136,205 km (0.107 R)
• M9: 6,687,922 km (0.099 R)
• M10: 7,465,831 km (0.055 R)
• M11: 9,726,554 km (0.099 R)
• M12: 10,444,026 km (0.117 R)
• M13: 11,492,408 km (0.068 R)
• M14: 12,530,766 km (0.095 R)
• M15: 13,215,925 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.1

Radius: 8.6

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.9 AU - 4.72 AU

Year: 4959 Days

Day: 7.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,617,108 km

• M1: 106,962 km (0.09 R)
• M2: 416,181 km (0.118 R)
• M3: 816,206 km (0.085 R)
• M4: 1,411,157 km (0.091 R)
• M5: 2,069,537 km (0.095 R)
• M6: 3,344,859 km (0.072 R)
• M7: 3,918,567 km (0.118 R)
• M8: 6,856,669 km (0.115 R)
• M9: 7,920,459 km (0.107 R)
• M10: 9,283,445 km (0.119 R)
• M11: 12,092,145 km (0.065 R)
• M12: 15,863,657 km (0.098 R)
• M13: 17,653,446 km (0.104 R)
• M14: 18,258,420 km (0.068 R)
• M15: 19,573,834 km (0.101 R)
• M16: 22,112,959 km (0.068 R)
• M17: 22,886,978 km (0.107 R)
• M18: 23,389,029 km (0.073 R)
• M19: 24,118,767 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.1

Radius: 9.5

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.18 AU - 6.9 AU

Year: 8695 Days

Day: 6.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,617,108 km

• M1: 118,182 km (0.082 R)
• M2: 523,742 km (0.098 R)
• M3: 838,197 km (0.059 R)
• M4: 1,819,708 km (0.09 R)
• M5: 3,199,150 km (0.095 R)
• M6: 5,047,432 km (0.096 R)
• M7: 6,836,772 km (0.096 R)
• M8: 7,231,860 km (0.04 R)
• M9: 8,599,634 km (0.091 R)
• M10: 9,154,642 km (0.089 R)
• M11: 12,702,804 km (0.114 R)
• M12: 13,361,783 km (0.112 R)
• M13: 13,855,306 km (0.044 R)
• M14: 14,169,910 km (0.111 R)
• M15: 14,618,405 km (0.07 R)
• M16: 15,815,038 km (0.111 R)
• M17: 16,437,216 km (0.082 R)
• M18: 18,936,398 km (0.083 R)
• M19: 19,402,245 km (0.06 R)
• M20: 20,519,143 km (0.101 R)
• M21: 21,342,679 km (0.051 R)
• M22: 21,678,227 km (0.114 R)
• M23: 22,793,330 km (0.047 R)
• M24: 26,079,995 km (0.109 R)
• M25: 42,392,745 km (0.06 R)
• M26: 44,952,814 km (0.082 R)
• M27: 45,366,302 km (0.085 R)
• M28: 45,782,184 km (0.06 R)
• M29: 46,200,759 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.1

Radius: 6.6

Gravity: 18.62 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.63 AU - 6.27 AU

Year: 9678 Days

Day: 18.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 155.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,617,108 km

• M1: 86,019 km (0.1 R)
• M2: 508,782 km (0.075 R)
• M3: 983,157 km (0.119 R)
• M4: 1,328,130 km (0.116 R)
• M5: 1,543,551 km (0.087 R)
• M6: 3,252,258 km (0.043 R)
• M7: 5,094,705 km (0.102 R)
• M8: 6,927,279 km (0.116 R)
• M9: 8,550,266 km (0.058 R)
• M10: 8,874,744 km (0.03 R)
• M11: 9,159,429 km (0.067 R)
• M12: 9,697,084 km (0.094 R)
• M13: 10,997,089 km (0.077 R)
• M14: 13,748,493 km (0.094 R)
• M15: 14,781,167 km (0.054 R)
• M16: 15,726,327 km (0.096 R)
• M17: 16,567,964 km (0.048 R)
• M18: 18,725,465 km (0.075 R)
• M19: 19,831,143 km (0.055 R)
• M20: 26,700,677 km (0.073 R)
• M21: 27,294,281 km (0.065 R)
• M22: 28,303,319 km (0.115 R)
• M23: 30,288,482 km (0.071 R)
• M24: 32,701,047 km (0.062 R)
• M25: 34,650,756 km (0.03 R)
• M26: 46,990,038 km (0.119 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: 477 - 19,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit