🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.4

Radius: 11.7

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.72 AU - 0.72 AU

Year: 407 Days

Day: 6.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,763,554 km

• M1: 145,559 km (0.111 R)
• M2: 539,450 km (0.076 R)
• M3: 1,145,471 km (0.098 R)
• M4: 1,532,331 km (0.07 R)
• M5: 1,934,300 km (0.107 R)
• M6: 2,323,105 km (0.114 R)
• M7: 2,817,227 km (0.087 R)
• M8: 3,551,603 km (0.049 R)
• M9: 4,467,591 km (0.109 R)
• M10: 4,887,961 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.6

Radius: 10.3

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.02 AU - 1.24 AU

Year: 801 Days

Day: 10.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,763,554 km

• M1: 128,056 km (0.115 R)
• M2: 515,215 km (0.108 R)
• M3: 861,385 km (0.068 R)
• M4: 1,769,892 km (0.041 R)
• M5: 3,023,074 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.5

Radius: 14.9

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.31 AU - 1.35 AU

Year: 1023 Days

Day: 7.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,763,554 km

• M1: 191,036 km (0.077 R)
• M2: 963,410 km (0.069 R)
• M3: 1,705,117 km (0.105 R)
• M4: 3,316,136 km (0.097 R)
• M5: 4,084,321 km (0.049 R)
• M6: 5,844,789 km (0.08 R)
• M7: 6,884,644 km (0.111 R)
• M8: 7,382,655 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.8

Radius: 12.2

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.61 AU - 3.25 AU

Year: 3344 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 95.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,763,554 km

• M1: 151,991 km (0.109 R)
• M2: 696,228 km (0.093 R)
• M3: 1,692,251 km (0.115 R)
• M4: 2,968,171 km (0.026 R)
• M5: 4,712,034 km (0.095 R)
• M6: 5,389,114 km (0.075 R)
• M7: 5,831,026 km (0.063 R)
• M8: 7,461,643 km (0.086 R)
• M9: 7,880,217 km (0.118 R)
• M10: 8,348,459 km (0.032 R)
• M11: 10,730,655 km (0.119 R)
• M12: 12,342,572 km (0.06 R)
• M13: 16,094,487 km (0.074 R)
• M14: 21,759,609 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.1

Radius: 8.7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.1 AU - 4.54 AU

Year: 5988 Days

Day: 6.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 72.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,763,554 km

• M1: 135,536 km (0.077 R)
• M2: 523,742 km (0.033 R)
• M3: 928,255 km (0.104 R)
• M4: 2,410,919 km (0.103 R)
• M5: 7,614,980 km (0.092 R)
• M6: 8,584,973 km (0.096 R)
• M7: 10,333,772 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.2

Radius: 8.9

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.34 AU - 4.64 AU

Year: 6345 Days

Day: 9 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,763,554 km

• M1: 127,607 km (0.072 R)
• M2: 945,159 km (0.078 R)
• M3: 2,031,689 km (0.115 R)
• M4: 2,319,365 km (0.097 R)
• M5: 3,187,781 km (0.12 R)
• M6: 3,521,235 km (0.046 R)
• M7: 3,939,660 km (0.119 R)
• M8: 5,119,838 km (0.089 R)
• M9: 7,029,604 km (0.116 R)
• M10: 8,126,904 km (0.115 R)
• M11: 18,242,712 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.8

Radius: 5

Gravity: 27.59 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 8.2 AU - 9.52 AU

Year: 17587 Days

Day: 24.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 55,763,554 km

• M1: 62,233 km (0.104 R)
• M2: 436,975 km (0.055 R)
• M3: 596,896 km (0.11 R)
• M4: 902,075 km (0.085 R)
• M5: 1,349,074 km (0.106 R)
• M6: 2,007,753 km (0.069 R)
• M7: 2,186,223 km (0.047 R)
• M8: 4,742,701 km (0.101 R)
• M9: 6,019,818 km (0.105 R)
• M10: 6,225,216 km (0.046 R)
• M11: 7,277,039 km (0.099 R)
• M12: 7,796,742 km (0.087 R)
• M13: 8,340,829 km (0.1 R)
• M14: 9,952,896 km (0.102 R)
• M15: 10,711,806 km (0.078 R)
• M16: 11,013,844 km (0.104 R)
• M17: 11,321,417 km (0.063 R)
• M18: 12,213,320 km (0.119 R)
• M19: 13,497,169 km (0.113 R)
• M20: 13,707,952 km (0.083 R)
• M21: 14,794,182 km (0.097 R)
• M22: 17,383,871 km (0.105 R)
• M23: 19,805,711 km (0.1 R)
• M24: 23,948,226 km (0.051 R)
• M25: 25,093,696 km (0.108 R)
• M26: 27,945,481 km (0.074 R)
• M27: 36,004,767 km (0.052 R)
• M28: 38,482,706 km (0.12 R)
• M29: 39,763,264 km (0.119 R)
• M30: 48,048,592 km (0.107 R)
• M31: 53,288,258 km (0.117 R)
• M32: 55,056,355 km (0.084 R)
• M33: 57,046,156 km (0.086 R)
• M34: 61,552,792 km (0.085 R)
• M35: 62,520,541 km (0.043 R)
• M36: 63,302,040 km (0.093 R)
• M37: 63,892,503 km (0.109 R)
• M38: 67,307,672 km (0.117 R)
• M39: 68,748,599 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.9

Radius: 3.2

Gravity: 22.45 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.45 AU - 11.91 AU

Year: 21660 Days

Day: 19.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,763,554 km

• M1: 40,092 km (0.119 R)
• M2: 323,281 km (0.081 R)
• M3: 691,591 km (0.083 R)
• M4: 810,072 km (0.1 R)
• M5: 920,924 km (0.06 R)
• M6: 1,529,339 km (0.093 R)
• M7: 2,024,209 km (0.025 R)
• M8: 3,049,403 km (0.067 R)
• M9: 4,378,131 km (0.097 R)
• M10: 5,117,594 km (0.093 R)
• M11: 5,570,576 km (0.088 R)
• M12: 6,555,528 km (0.103 R)
• M13: 7,047,107 km (0.083 R)
• M14: 8,477,412 km (0.097 R)
• M15: 8,961,361 km (0.098 R)
• M16: 10,468,410 km (0.089 R)
• M17: 11,138,609 km (0.112 R)
• M18: 13,192,288 km (0.082 R)
• M19: 14,106,481 km (0.113 R)
• M20: 14,307,690 km (0.088 R)
• M21: 14,992,549 km (0.095 R)
• M22: 16,575,294 km (0.113 R)
• M23: 18,908,423 km (0.086 R)
• M24: 19,317,274 km (0.065 R)
• M25: 23,831,539 km (0.117 R)
• M26: 25,380,476 km (0.107 R)
• M27: 27,098,607 km (0.079 R)
• M28: 29,653,739 km (0.114 R)
• M29: 33,303,927 km (0.102 R)
• M30: 33,900,074 km (0.084 R)
• M31: 34,624,726 km (0.059 R)
• M32: 36,860,766 km (0.079 R)
• M33: 38,273,418 km (0.092 R)
• M34: 38,927,460 km (0.085 R)
• M35: 40,662,347 km (0.043 R)
• M36: 44,142,592 km (0.107 R)
• M37: 46,470,933 km (0.107 R)
• M38: 49,649,439 km (0.063 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 15,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit