🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.4

Radius: 10.7

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 12.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,150,957 km

• M1: 132,993 km (0.115 R)
• M2: 483,351 km (0.117 R)
• M3: 833,559 km (0.062 R)
• M4: 1,167,013 km (0.107 R)
• M5: 1,603,839 km (0.117 R)
• M6: 1,991,896 km (0.074 R)
• M7: 2,567,847 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.5

Radius: 13.8

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.53 AU - 0.61 AU

Year: 297 Days

Day: 6.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 79.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 38,150,957 km

• M1: 178,021 km (0.111 R)
• M2: 752,776 km (0.097 R)
• M3: 1,231,789 km (0.108 R)
• M4: 1,711,100 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.6

Radius: 8.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.62 AU - 0.68 AU

Year: 362 Days

Day: 8.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,150,957 km

• M1: 104,419 km (0.085 R)
• M2: 613,501 km (0.105 R)
• M3: 913,445 km (0.113 R)
• M4: 1,251,386 km (0.094 R)
• M5: 1,586,934 km (0.099 R)
• M6: 2,284,060 km (0.064 R)
• M7: 2,650,725 km (0.064 R)
• M8: 3,065,709 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.5

Radius: 13.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.57 AU - 0.93 AU

Year: 448 Days

Day: 14.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,150,957 km

• M1: 173,234 km (0.103 R)
• M2: 620,831 km (0.081 R)
• M3: 1,066,334 km (0.031 R)
• M4: 1,574,817 km (0.05 R)
• M5: 2,546,754 km (0.076 R)
• M6: 3,094,881 km (0.08 R)
• M7: 3,663,203 km (0.11 R)
• M8: 4,097,037 km (0.085 R)
• M9: 4,715,624 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.9

Radius: 14.6

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.8 AU - 1.32 AU

Year: 753 Days

Day: 6.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,150,957 km

• M1: 182,210 km (0.105 R)
• M2: 652,546 km (0.09 R)
• M3: 1,293,423 km (0.119 R)
• M4: 1,899,893 km (0.069 R)
• M5: 2,452,657 km (0.102 R)
• M6: 3,589,451 km (0.028 R)
• M7: 4,115,138 km (0.107 R)
• M8: 4,948,548 km (0.112 R)
• M9: 5,602,590 km (0.07 R)
• M10: 6,232,098 km (0.117 R)
• M11: 6,713,354 km (0.095 R)
• M12: 7,540,181 km (0.093 R)
• M13: 8,284,281 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.4

Radius: 8.3

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.97 AU - 1.21 AU

Year: 786 Days

Day: 8.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,150,957 km

• M1: 103,223 km (0.106 R)
• M2: 366,216 km (0.12 R)
• M3: 781,050 km (0.065 R)
• M4: 1,047,783 km (0.083 R)
• M5: 1,334,563 km (0.079 R)
• M6: 1,698,684 km (0.041 R)
• M7: 2,187,121 km (0.073 R)
• M8: 2,754,695 km (0.047 R)
• M9: 3,130,036 km (0.082 R)
• M10: 3,390,187 km (0.092 R)
• M11: 3,749,970 km (0.072 R)
• M12: 4,074,148 km (0.116 R)
• M13: 4,353,298 km (0.089 R)
• M14: 6,225,067 km (0.065 R)
• M15: 6,554,332 km (0.108 R)
• M16: 7,092,285 km (0.101 R)
• M17: 7,451,769 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.6

Radius: 9.5

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.02 AU - 1.36 AU

Year: 896 Days

Day: 9.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,150,957 km

• M1: 118,332 km (0.094 R)
• M2: 435,779 km (0.067 R)
• M3: 853,306 km (0.038 R)
• M4: 1,187,209 km (0.117 R)
• M5: 1,496,727 km (0.09 R)
• M6: 1,983,219 km (0.108 R)
• M7: 2,583,406 km (0.068 R)
• M8: 2,920,599 km (0.104 R)
• M9: 3,429,382 km (0.117 R)
• M10: 3,866,806 km (0.104 R)
• M11: 4,576,348 km (0.104 R)
• M12: 4,886,914 km (0.113 R)
• M13: 5,281,702 km (0.091 R)
• M14: 5,642,383 km (0.068 R)
• M15: 6,993,102 km (0.116 R)
• M16: 7,406,291 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.6

Radius: 11.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.19 AU - 1.73 AU

Year: 1218 Days

Day: 8.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,150,957 km

• M1: 141,819 km (0.079 R)
• M2: 517,459 km (0.116 R)
• M3: 1,056,610 km (0.1 R)
• M4: 1,947,914 km (0.045 R)
• M5: 2,771,749 km (0.037 R)
• M6: 4,399,973 km (0.086 R)
• M7: 5,429,804 km (0.113 R)
• M8: 5,813,672 km (0.037 R)
• M9: 6,302,558 km (0.086 R)
• M10: 6,772,894 km (0.107 R)
• M11: 7,194,461 km (0.1 R)
• M12: 7,834,590 km (0.096 R)
• M13: 8,701,211 km (0.117 R)
• M14: 9,256,817 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.9

Radius: 10.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.13 AU - 2.21 AU

Year: 2206 Days

Day: 8.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,150,957 km

• M1: 167,998 km (0.073 R)
• M2: 582,983 km (0.118 R)
• M3: 1,570,329 km (0.095 R)
• M4: 2,228,859 km (0.071 R)
• M5: 4,262,193 km (0.117 R)
• M6: 4,616,141 km (0.098 R)
• M7: 6,510,799 km (0.075 R)
• M8: 7,363,955 km (0.083 R)
• M9: 7,731,218 km (0.087 R)
• M10: 9,621,088 km (0.095 R)
• M11: 10,407,823 km (0.03 R)
• M12: 12,226,185 km (0.105 R)
• M13: 15,043,113 km (0.059 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.1

Radius: 9.2

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.95 AU - 6.29 AU

Year: 7997 Days

Day: 8.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,150,957 km

• M1: 114,891 km (0.067 R)
• M2: 553,512 km (0.065 R)
• M3: 1,120,937 km (0.073 R)
• M4: 1,690,007 km (0.094 R)
• M5: 2,735,995 km (0.087 R)
• M6: 3,398,864 km (0.066 R)
• M7: 5,249,539 km (0.057 R)
• M8: 6,866,093 km (0.106 R)
• M9: 7,574,290 km (0.05 R)
• M10: 8,289,368 km (0.118 R)
• M11: 8,579,288 km (0.108 R)
• M12: 8,918,875 km (0.103 R)
• M13: 9,899,639 km (0.051 R)
• M14: 16,943,754 km (0.114 R)
• M15: 17,277,208 km (0.103 R)
• M16: 19,154,212 km (0.097 R)
• M17: 28,495,103 km (0.071 R)
• M18: 29,926,605 km (0.069 R)
• M19: 36,575,632 km (0.098 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 18,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit