🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.3

Radius: 11.5

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.65 AU - 0.93 AU

Year: 468 Days

Day: 12.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,530,373 km

• M1: 145,858 km (0.105 R)
• M2: 594,352 km (0.034 R)
• M3: 998,865 km (0.107 R)
• M4: 1,408,015 km (0.069 R)
• M5: 1,768,546 km (0.059 R)
• M6: 2,154,209 km (0.077 R)
• M7: 2,718,493 km (0.119 R)
• M8: 3,089,346 km (0.116 R)
• M9: 3,452,270 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.4

Radius: 10.5

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.19 AU - 1.73 AU

Year: 1176 Days

Day: 9.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,530,373 km

• M1: 132,544 km (0.085 R)
• M2: 488,138 km (0.106 R)
• M3: 836,701 km (0.073 R)
• M4: 1,285,495 km (0.117 R)
• M5: 1,807,441 km (0.093 R)
• M6: 2,409,124 km (0.039 R)
• M7: 2,833,832 km (0.113 R)
• M8: 3,279,784 km (0.119 R)
• M9: 4,012,215 km (0.111 R)
• M10: 4,452,481 km (0.075 R)
• M11: 5,737,826 km (0.109 R)
• M12: 6,871,030 km (0.116 R)
• M13: 7,629,192 km (0.093 R)
• M14: 7,989,573 km (0.096 R)
• M15: 8,716,619 km (0.118 R)
• M16: 9,312,168 km (0.072 R)
• M17: 10,178,938 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.5

Radius: 8.3

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.45 AU - 1.57 AU

Year: 1237 Days

Day: 11.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,530,373 km

• M1: 103,971 km (0.039 R)
• M2: 490,980 km (0.109 R)
• M3: 887,265 km (0.087 R)
• M4: 1,196,933 km (0.076 R)
• M5: 1,779,616 km (0.112 R)
• M6: 2,052,184 km (0.076 R)
• M7: 2,328,491 km (0.053 R)
• M8: 2,603,751 km (0.069 R)
• M9: 3,043,269 km (0.111 R)
• M10: 3,389,140 km (0.04 R)
• M11: 3,777,945 km (0.042 R)
• M12: 4,287,026 km (0.104 R)
• M13: 4,548,822 km (0.102 R)
• M14: 4,881,229 km (0.094 R)
• M15: 5,335,258 km (0.09 R)
• M16: 5,772,234 km (0.113 R)
• M17: 6,594,424 km (0.063 R)
• M18: 7,359,318 km (0.057 R)
• M19: 8,040,886 km (0.12 R)
• M20: 8,943,559 km (0.09 R)
• M21: 10,009,594 km (0.089 R)
• M22: 10,777,330 km (0.109 R)
• M23: 11,123,200 km (0.091 R)
• M24: 11,405,042 km (0.1 R)
• M25: 12,964,451 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.9

Radius: 10.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.24 AU - 2.04 AU

Year: 1401 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,530,373 km

• M1: 133,142 km (0.055 R)
• M2: 515,215 km (0.094 R)
• M3: 1,208,452 km (0.055 R)
• M4: 2,685,880 km (0.116 R)
• M5: 3,127,942 km (0.074 R)
• M6: 3,755,655 km (0.062 R)
• M7: 4,325,922 km (0.026 R)
• M8: 6,093,271 km (0.084 R)
• M9: 6,509,901 km (0.064 R)
• M10: 6,861,157 km (0.095 R)
• M11: 7,556,637 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.5

Radius: 13.7

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.75 AU - 2.41 AU

Year: 2000 Days

Day: 8.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,530,373 km

• M1: 170,392 km (0.1 R)
• M2: 749,934 km (0.082 R)
• M3: 1,234,781 km (0.104 R)
• M4: 1,668,914 km (0.098 R)
• M5: 2,110,078 km (0.11 R)
• M6: 3,868,152 km (0.053 R)
• M7: 4,328,465 km (0.06 R)
• M8: 4,921,620 km (0.108 R)
• M9: 6,158,196 km (0.11 R)
• M10: 7,258,937 km (0.093 R)
• M11: 7,723,888 km (0.05 R)
• M12: 8,742,649 km (0.062 R)
• M13: 11,283,868 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.3

Radius: 9.4

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.59 AU - 5.25 AU

Year: 6197 Days

Day: 7.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,530,373 km

• M1: 116,986 km (0.093 R)
• M2: 484,548 km (0.115 R)
• M3: 781,350 km (0.043 R)
• M4: 1,283,101 km (0.12 R)
• M5: 1,641,837 km (0.066 R)
• M6: 2,004,761 km (0.11 R)
• M7: 2,529,401 km (0.059 R)
• M8: 2,894,569 km (0.114 R)
• M9: 3,543,076 km (0.074 R)
• M10: 3,951,927 km (0.103 R)
• M11: 4,392,044 km (0.074 R)
• M12: 5,370,713 km (0.044 R)
• M13: 6,558,819 km (0.08 R)
• M14: 7,636,523 km (0.083 R)
• M15: 8,572,108 km (0.076 R)
• M16: 9,089,567 km (0.094 R)
• M17: 9,582,192 km (0.113 R)
• M18: 10,330,331 km (0.108 R)
• M19: 12,588,810 km (0.111 R)
• M20: 14,068,034 km (0.07 R)
• M21: 14,666,725 km (0.08 R)
• M22: 15,596,476 km (0.11 R)
• M23: 16,564,972 km (0.112 R)
• M24: 17,504,596 km (0.075 R)
• M25: 18,479,376 km (0.037 R)
• M26: 20,385,103 km (0.115 R)
• M27: 27,805,607 km (0.089 R)
• M28: 34,104,126 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322

Radius: 4.7

Gravity: 14.58 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.56 AU - 9.1 AU

Year: 16032 Days

Day: 23.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,530,373 km

• M1: 61,186 km (0.096 R)
• M2: 213,925 km (0.082 R)
• M3: 402,717 km (0.114 R)
• M4: 720,314 km (0.069 R)
• M5: 996,771 km (0.117 R)
• M6: 1,276,668 km (0.051 R)
• M7: 1,491,042 km (0.113 R)
• M8: 1,941,481 km (0.12 R)
• M9: 2,244,866 km (0.072 R)
• M10: 2,834,580 km (0.081 R)
• M11: 4,255,910 km (0.072 R)
• M12: 4,521,895 km (0.103 R)
• M13: 5,218,871 km (0.115 R)
• M14: 5,662,878 km (0.117 R)
• M15: 6,243,467 km (0.084 R)
• M16: 6,783,216 km (0.119 R)
• M17: 9,753,033 km (0.052 R)
• M18: 15,054,931 km (0.12 R)
• M19: 15,602,609 km (0.093 R)
• M20: 16,092,692 km (0.073 R)
• M21: 16,592,947 km (0.082 R)
• M22: 16,956,619 km (0.106 R)
• M23: 22,355,457 km (0.112 R)
• M24: 26,069,823 km (0.116 R)
• M25: 31,708,166 km (0.066 R)
• M26: 33,986,991 km (0.072 R)
• M27: 34,573,265 km (0.084 R)
• M28: 37,481,747 km (0.087 R)
• M29: 42,009,326 km (0.063 R)
• M30: 42,548,926 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.7

Radius: 4.2

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.42 AU - 9.78 AU

Year: 19835 Days

Day: 20.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,530,373 km

• M1: 52,808 km (0.051 R)
• M2: 219,161 km (0.043 R)
• M3: 488,437 km (0.085 R)
• M4: 1,060,499 km (0.068 R)
• M5: 1,427,612 km (0.115 R)
• M6: 1,874,761 km (0.119 R)
• M7: 3,154,869 km (0.027 R)
• M8: 3,320,624 km (0.067 R)
• M9: 3,879,821 km (0.106 R)
• M10: 4,770,826 km (0.093 R)
• M11: 5,861,095 km (0.096 R)
• M12: 8,295,052 km (0.077 R)
• M13: 10,110,273 km (0.12 R)
• M14: 11,439,001 km (0.085 R)
• M15: 12,582,677 km (0.113 R)
• M16: 13,121,229 km (0.099 R)
• M17: 13,800,254 km (0.106 R)
• M18: 14,116,653 km (0.104 R)
• M19: 15,295,335 km (0.061 R)
• M20: 15,702,391 km (0.117 R)
• M21: 17,111,453 km (0.111 R)
• M22: 17,698,026 km (0.081 R)
• M23: 25,341,281 km (0.046 R)
• M24: 26,683,922 km (0.101 R)
• M25: 27,076,018 km (0.076 R)
• M26: 31,536,877 km (0.111 R)
• M27: 31,975,198 km (0.072 R)
• M28: 35,157,744 km (0.081 R)
• M29: 39,424,574 km (0.103 R)
• M30: 40,446,028 km (0.115 R)
• M31: 44,023,811 km (0.032 R)
• M32: 44,296,977 km (0.115 R)
• M33: 46,381,473 km (0.119 R)
• M34: 46,948,150 km (0.073 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 15,799 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit