🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 11.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.62 AU - 0.89 AU

Year: 441 Days

Day: 8.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,790,324 km

• M1: 138,228 km (0.096 R)
• M2: 534,214 km (0.099 R)
• M3: 1,285,195 km (0.088 R)
• M4: 1,685,070 km (0.079 R)
• M5: 2,484,222 km (0.098 R)
• M6: 2,910,127 km (0.1 R)
• M7: 4,059,637 km (0.043 R)
• M8: 4,558,098 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.8

Radius: 12.1

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.95 AU - 1.35 AU

Year: 836 Days

Day: 8.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,790,324 km

• M1: 153,338 km (0.109 R)
• M2: 571,913 km (0.086 R)
• M3: 953,836 km (0.107 R)
• M4: 1,414,747 km (0.112 R)
• M5: 1,843,345 km (0.084 R)
• M6: 2,348,387 km (0.059 R)
• M7: 3,252,108 km (0.092 R)
• M8: 4,108,855 km (0.077 R)
• M9: 4,617,189 km (0.037 R)
• M10: 5,224,706 km (0.051 R)
• M11: 6,203,076 km (0.107 R)
• M12: 8,073,947 km (0.113 R)
• M13: 10,264,957 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.6

Radius: 9

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.26 AU - 5.34 AU

Year: 7133 Days

Day: 13 Hours

Environment

Temp: -226 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,790,324 km

• M1: 115,190 km (0.096 R)
• M2: 589,864 km (0.091 R)
• M3: 2,033,484 km (0.045 R)
• M4: 2,521,622 km (0.074 R)
• M5: 2,914,316 km (0.095 R)
• M6: 3,347,701 km (0.04 R)
• M7: 3,916,472 km (0.086 R)
• M8: 4,343,724 km (0.092 R)
• M9: 4,652,793 km (0.069 R)
• M10: 6,610,880 km (0.073 R)
• M11: 8,259,897 km (0.071 R)
• M12: 10,492,795 km (0.086 R)
• M13: 13,142,771 km (0.115 R)
• M14: 13,616,847 km (0.101 R)
• M15: 15,771,954 km (0.044 R)
• M16: 16,160,310 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.4

Radius: 10.5

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.75 AU - 4.91 AU

Year: 7200 Days

Day: 14.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,790,324 km

• M1: 135,685 km (0.109 R)
• M2: 705,653 km (0.115 R)
• M3: 1,405,023 km (0.1 R)
• M4: 2,740,334 km (0.086 R)
• M5: 4,706,199 km (0.094 R)
• M6: 5,098,894 km (0.101 R)
• M7: 8,229,379 km (0.07 R)
• M8: 9,729,546 km (0.085 R)
• M9: 10,325,843 km (0.11 R)
• M10: 11,219,691 km (0.077 R)
• M11: 14,812,433 km (0.053 R)
• M12: 15,659,307 km (0.082 R)
• M13: 18,202,321 km (0.117 R)
• M14: 23,256,784 km (0.073 R)
• M15: 28,914,426 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.1

Radius: 5.1

Gravity: 25.03 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.74 AU - 9.1 AU

Year: 13709 Days

Day: 24.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,790,324 km

• M1: 63,429 km (0.104 R)
• M2: 255,663 km (0.051 R)
• M3: 549,473 km (0.073 R)
• M4: 1,015,470 km (0.09 R)
• M5: 1,232,537 km (0.097 R)
• M6: 4,945,107 km (0.098 R)
• M7: 9,059,797 km (0.087 R)
• M8: 9,571,721 km (0.116 R)
• M9: 10,048,938 km (0.118 R)
• M10: 10,266,004 km (0.089 R)
• M11: 11,281,774 km (0.044 R)
• M12: 13,380,183 km (0.109 R)
• M13: 15,508,063 km (0.083 R)
• M14: 16,538,942 km (0.064 R)
• M15: 20,247,473 km (0.115 R)
• M16: 21,209,837 km (0.103 R)
• M17: 21,657,284 km (0.04 R)
• M18: 23,509,904 km (0.113 R)
• M19: 25,365,217 km (0.087 R)
• M20: 39,250,442 km (0.089 R)
• M21: 40,332,633 km (0.097 R)
• M22: 42,556,405 km (0.119 R)
• M23: 43,698,436 km (0.107 R)
• M24: 49,246,572 km (0.093 R)
• M25: 50,663,712 km (0.105 R)
• M26: 50,982,356 km (0.12 R)
• M27: 52,107,930 km (0.095 R)
• M28: 52,432,408 km (0.117 R)
• M29: 52,758,382 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.6

Radius: 4.8

Gravity: 35.27 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.2 AU - 10.34 AU

Year: 16131 Days

Day: 18.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,790,324 km

• M1: 59,690 km (0.039 R)
• M2: 242,947 km (0.055 R)
• M3: 414,536 km (0.104 R)
• M4: 669,301 km (0.062 R)
• M5: 1,299,407 km (0.12 R)
• M6: 2,157,201 km (0.08 R)
• M7: 3,506,574 km (0.071 R)
• M8: 3,736,955 km (0.119 R)
• M9: 6,935,956 km (0.109 R)
• M10: 7,116,072 km (0.114 R)
• M11: 8,828,369 km (0.033 R)
• M12: 9,147,311 km (0.097 R)
• M13: 10,737,537 km (0.066 R)
• M14: 11,162,245 km (0.107 R)
• M15: 13,877,147 km (0.119 R)
• M16: 15,196,900 km (0.118 R)
• M17: 17,330,165 km (0.096 R)
• M18: 20,658,718 km (0.08 R)
• M19: 21,315,004 km (0.109 R)
• M20: 29,713,279 km (0.057 R)
• M21: 30,069,621 km (0.116 R)
• M22: 36,435,309 km (0.031 R)
• M23: 46,135,983 km (0.114 R)
• M24: 48,066,843 km (0.042 R)
• M25: 50,050,810 km (0.068 R)
• M26: 51,574,165 km (0.063 R)
• M27: 51,745,305 km (0.077 R)
• M28: 61,752,954 km (0.08 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 19,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit