🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.54 AU - 0.72 AU

Year: 323 Days

Day: 41.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.2

Radius: 10.5

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.88 AU - 1.26 AU

Year: 715 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,885,743 km

• M1: 131,048 km (0.075 R)
• M2: 715,826 km (0.027 R)
• M3: 1,161,777 km (0.072 R)
• M4: 1,568,534 km (0.071 R)
• M5: 2,070,135 km (0.055 R)
• M6: 2,448,768 km (0.078 R)
• M7: 2,896,364 km (0.06 R)
• M8: 3,398,116 km (0.074 R)
• M9: 3,750,718 km (0.109 R)
• M10: 4,469,087 km (0.045 R)
• M11: 5,242,508 km (0.103 R)
• M12: 5,572,371 km (0.072 R)
• M13: 6,121,694 km (0.102 R)
• M14: 6,507,657 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.5

Radius: 13.3

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.85 AU - 2.05 AU

Year: 1758 Days

Day: 8.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,885,743 km

• M1: 165,455 km (0.053 R)
• M2: 701,315 km (0.069 R)
• M3: 1,740,571 km (0.073 R)
• M4: 2,358,410 km (0.096 R)
• M5: 2,845,352 km (0.075 R)
• M6: 3,386,447 km (0.108 R)
• M7: 4,281,192 km (0.076 R)
• M8: 5,098,894 km (0.094 R)
• M9: 5,545,443 km (0.096 R)
• M10: 5,960,129 km (0.089 R)
• M11: 6,600,557 km (0.103 R)
• M12: 7,555,590 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.4

Radius: 14.4

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.02 AU - 2.26 AU

Year: 2021 Days

Day: 9.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,885,743 km

• M1: 179,069 km (0.077 R)
• M2: 697,724 km (0.028 R)
• M3: 1,222,813 km (0.084 R)
• M4: 1,709,754 km (0.039 R)
• M5: 2,417,502 km (0.118 R)
• M6: 3,283,374 km (0.038 R)
• M7: 4,117,981 km (0.031 R)
• M8: 4,812,863 km (0.073 R)
• M9: 6,185,872 km (0.105 R)
• M10: 9,460,270 km (0.106 R)
• M11: 10,710,160 km (0.094 R)
• M12: 11,602,811 km (0.099 R)
• M13: 12,067,462 km (0.116 R)
• M14: 12,992,874 km (0.103 R)
• M15: 13,494,177 km (0.032 R)
• M16: 13,965,111 km (0.108 R)
• M17: 15,259,581 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.6

Radius: 4.9

Gravity: 28.85 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 9.24 AU - 9.74 AU

Year: 18876 Days

Day: 22.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,885,743 km

• M1: 61,036 km (0.098 R)
• M2: 303,833 km (0.075 R)
• M3: 489,185 km (0.036 R)
• M4: 760,556 km (0.089 R)
• M5: 989,590 km (0.077 R)
• M6: 1,538,465 km (0.112 R)
• M7: 1,742,666 km (0.113 R)
• M8: 2,269,400 km (0.091 R)
• M9: 2,699,494 km (0.096 R)
• M10: 3,023,672 km (0.097 R)
• M11: 3,457,955 km (0.071 R)
• M12: 3,840,477 km (0.11 R)
• M13: 5,010,781 km (0.107 R)
• M14: 6,104,341 km (0.097 R)
• M15: 6,931,318 km (0.094 R)
• M16: 7,300,974 km (0.073 R)
• M17: 7,929,435 km (0.079 R)
• M18: 8,751,775 km (0.07 R)
• M19: 9,572,768 km (0.118 R)
• M20: 10,324,946 km (0.1 R)
• M21: 11,366,895 km (0.051 R)
• M22: 11,945,988 km (0.054 R)
• M23: 16,158,664 km (0.111 R)
• M24: 16,807,919 km (0.107 R)
• M25: 19,127,584 km (0.108 R)
• M26: 24,075,234 km (0.101 R)
• M27: 24,708,183 km (0.049 R)
• M28: 29,692,036 km (0.101 R)
• M29: 31,408,073 km (0.082 R)
• M30: 34,369,213 km (0.075 R)
• M31: 39,806,348 km (0.105 R)
• M32: 44,832,387 km (0.08 R)
• M33: 61,824,162 km (0.088 R)
• M34: 67,484,647 km (0.071 R)
• M35: 69,374,816 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430

Radius: 4.4

Gravity: 22.21 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.81 AU - 12.35 AU

Year: 22220 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 180 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,885,743 km

• M1: 60,737 km (0.113 R)
• M2: 403,914 km (0.067 R)
• M3: 798,254 km (0.109 R)
• M4: 1,007,990 km (0.06 R)
• M5: 2,055,624 km (0.032 R)
• M6: 2,196,097 km (0.086 R)
• M7: 2,751,254 km (0.071 R)
• M8: 3,231,912 km (0.08 R)
• M9: 4,165,254 km (0.09 R)
• M10: 5,962,672 km (0.026 R)
• M11: 6,896,163 km (0.114 R)
• M12: 7,681,402 km (0.068 R)
• M13: 8,627,459 km (0.042 R)
• M14: 9,427,209 km (0.025 R)
• M15: 9,873,459 km (0.06 R)
• M16: 10,569,090 km (0.106 R)
• M17: 11,928,186 km (0.116 R)
• M18: 12,649,547 km (0.039 R)
• M19: 13,055,107 km (0.104 R)
• M20: 17,021,545 km (0.039 R)
• M21: 18,189,456 km (0.071 R)
• M22: 22,795,873 km (0.087 R)
• M23: 24,006,718 km (0.09 R)
• M24: 27,782,269 km (0.104 R)
• M25: 31,317,865 km (0.084 R)
• M26: 34,223,355 km (0.116 R)
• M27: 35,009,791 km (0.109 R)
• M28: 36,755,000 km (0.062 R)
• M29: 37,165,796 km (0.1 R)
• M30: 43,395,350 km (0.054 R)
• M31: 53,025,115 km (0.076 R)
• M32: 57,685,837 km (0.073 R)
• M33: 64,579,306 km (0.058 R)
• M34: 65,779,081 km (0.052 R)
• M35: 67,811,668 km (0.101 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 11,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit