🌌 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: 222

Radius: 8.6

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.49 AU - 0.65 AU

Year: 302 Days

Day: 14.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,763,548 km

• M1: 106,962 km (0.094 R)
• M2: 421,567 km (0.108 R)
• M3: 936,034 km (0.052 R)
• M4: 1,240,914 km (0.101 R)
• M5: 1,517,371 km (0.102 R)
• M6: 1,873,414 km (0.113 R)
• M7: 2,141,344 km (0.08 R)
• M8: 2,544,211 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.7

Radius: 11.6

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.54 AU - 0.62 AU

Year: 310 Days

Day: 7.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 61,763,548 km

• M1: 144,212 km (0.051 R)
• M2: 556,803 km (0.094 R)
• M3: 1,202,468 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.9

Radius: 9.1

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.16 AU - 1.32 AU

Year: 971 Days

Day: 10.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,763,548 km

• M1: 113,246 km (0.096 R)
• M2: 489,035 km (0.03 R)
• M3: 964,158 km (0.109 R)
• M4: 1,362,687 km (0.106 R)
• M5: 1,850,376 km (0.103 R)
• M6: 2,194,152 km (0.117 R)
• M7: 2,752,750 km (0.105 R)
• M8: 3,106,849 km (0.071 R)
• M9: 3,403,202 km (0.083 R)
• M10: 4,425,554 km (0.072 R)
• M11: 5,180,574 km (0.047 R)
• M12: 5,558,608 km (0.068 R)
• M13: 7,088,396 km (0.097 R)
• M14: 7,380,710 km (0.086 R)
• M15: 8,495,065 km (0.082 R)
• M16: 8,965,101 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.2

Radius: 8.1

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.21 AU - 2.35 AU

Year: 2420 Days

Day: 5.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,763,548 km

• M1: 100,679 km (0.076 R)
• M2: 445,203 km (0.033 R)
• M3: 1,074,711 km (0.087 R)
• M4: 1,443,619 km (0.077 R)
• M5: 2,307,098 km (0.091 R)
• M6: 2,916,859 km (0.109 R)
• M7: 4,008,475 km (0.082 R)
• M8: 4,787,880 km (0.115 R)

Asteroid Belt

Center: 3.06 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814

Radius: 11.9

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.28 AU - 4.38 AU

Year: 5269 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,763,548 km

• M1: 147,952 km (0.113 R)
• M2: 543,938 km (0.079 R)
• M3: 1,712,148 km (0.075 R)
• M4: 3,315,687 km (0.073 R)
• M5: 3,979,752 km (0.096 R)
• M6: 8,120,621 km (0.09 R)
• M7: 8,831,809 km (0.109 R)
• M8: 9,713,539 km (0.083 R)
• M9: 10,932,313 km (0.096 R)
• M10: 13,293,267 km (0.114 R)
• M11: 17,347,818 km (0.074 R)
• M12: 23,235,392 km (0.071 R)
• M13: 25,406,057 km (0.12 R)
• M14: 27,708,667 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599

Radius: 7.3

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.6 AU - 6.46 AU

Year: 9141 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,763,548 km

• M1: 90,956 km (0.11 R)
• M2: 381,624 km (0.056 R)
• M3: 686,355 km (0.102 R)
• M4: 1,077,703 km (0.109 R)
• M5: 1,463,217 km (0.12 R)
• M6: 2,001,919 km (0.088 R)
• M7: 2,344,498 km (0.058 R)
• M8: 2,685,880 km (0.072 R)
• M9: 2,952,763 km (0.12 R)
• M10: 3,421,453 km (0.064 R)
• M11: 3,811,006 km (0.075 R)
• M12: 6,504,665 km (0.062 R)
• M13: 7,495,751 km (0.093 R)
• M14: 8,540,094 km (0.112 R)
• M15: 11,331,590 km (0.072 R)
• M16: 12,589,558 km (0.109 R)
• M17: 13,048,225 km (0.111 R)
• M18: 16,919,370 km (0.078 R)
• M19: 17,337,196 km (0.076 R)
• M20: 17,690,547 km (0.028 R)
• M21: 24,018,985 km (0.097 R)
• M22: 26,176,785 km (0.116 R)
• M23: 26,735,683 km (0.117 R)
• M24: 28,167,933 km (0.05 R)
• M25: 30,873,560 km (0.03 R)
• M26: 32,449,125 km (0.108 R)
• M27: 36,102,903 km (0.081 R)
• M28: 39,410,512 km (0.107 R)
• M29: 41,137,769 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.6

Radius: 6.8

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.53 AU - 8.71 AU

Year: 13355 Days

Day: 16.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,763,548 km

• M1: 84,672 km (0.083 R)
• M2: 315,203 km (0.114 R)
• M3: 1,174,642 km (0.034 R)
• M4: 1,636,601 km (0.098 R)
• M5: 2,524,614 km (0.036 R)
• M6: 3,064,512 km (0.067 R)
• M7: 4,991,483 km (0.094 R)
• M8: 7,713,117 km (0.073 R)
• M9: 8,066,317 km (0.108 R)
• M10: 8,541,440 km (0.096 R)
• M11: 12,025,724 km (0.085 R)
• M12: 12,549,017 km (0.066 R)
• M13: 13,387,364 km (0.075 R)
• M14: 14,315,170 km (0.115 R)
• M15: 16,298,239 km (0.076 R)
• M16: 20,130,488 km (0.113 R)
• M17: 24,448,032 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.5

Radius: 6

Gravity: 18.4 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.63 AU - 7.67 AU

Year: 14873 Days

Day: 19.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 145.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,763,548 km

• M1: 74,649 km (0.105 R)
• M2: 295,605 km (0.115 R)
• M3: 722,558 km (0.079 R)
• M4: 1,457,981 km (0.087 R)
• M5: 1,707,061 km (0.099 R)
• M6: 2,192,357 km (0.035 R)
• M7: 3,486,378 km (0.112 R)
• M8: 4,677,776 km (0.078 R)
• M9: 5,510,737 km (0.088 R)
• M10: 5,847,332 km (0.06 R)
• M11: 7,511,459 km (0.056 R)
• M12: 8,748,633 km (0.093 R)
• M13: 10,115,808 km (0.06 R)
• M14: 12,361,571 km (0.1 R)
• M15: 14,564,400 km (0.1 R)
• M16: 15,280,375 km (0.109 R)
• M17: 17,649,258 km (0.097 R)
• M18: 18,380,193 km (0.094 R)
• M19: 19,386,089 km (0.104 R)
• M20: 21,782,647 km (0.113 R)
• M21: 22,528,991 km (0.088 R)
• M22: 23,292,239 km (0.055 R)
• M23: 24,669,287 km (0.075 R)
• M24: 32,495,799 km (0.062 R)
• M25: 38,496,768 km (0.101 R)
• M26: 40,696,904 km (0.087 R)
• M27: 42,257,359 km (0.079 R)
• M28: 42,545,335 km (0.094 R)
• M29: 43,417,042 km (0.037 R)
• M30: 43,710,104 km (0.048 R)
• M31: 49,534,697 km (0.088 R)
• M32: 51,149,158 km (0.046 R)
• M33: 54,653,039 km (0.091 R)
• M34: 55,166,309 km (0.089 R)
• M35: 57,427,631 km (0.09 R)
• M36: 57,958,254 km (0.098 R)
• M37: 60,477,183 km (0.12 R)
• M38: 61,763,575 km (0.063 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 14,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit