🌌 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: 732.7

Radius: 11.7

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.46 AU - 0.56 AU

Year: 247 Days

Day: 12.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,852,592 km

• M1: 145,559 km (0.115 R)
• M2: 749,635 km (0.105 R)
• M3: 1,232,238 km (0.076 R)
• M4: 1,612,216 km (0.065 R)
• M5: 2,473,152 km (0.032 R)
• M6: 2,889,184 km (0.1 R)
• M7: 3,510,164 km (0.071 R)
• M8: 4,121,870 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.1

Radius: 11.7

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.6 AU - 0.6 AU

Year: 315 Days

Day: 9.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,852,592 km

• M1: 145,858 km (0.114 R)
• M2: 547,079 km (0.114 R)
• M3: 933,192 km (0.069 R)
• M4: 1,428,809 km (0.118 R)
• M5: 2,299,918 km (0.033 R)
• M6: 2,936,008 km (0.117 R)
• M7: 3,602,317 km (0.061 R)
• M8: 4,036,001 km (0.088 R)
• M9: 4,773,967 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.1

Radius: 13.2

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.92 AU - 1 AU

Year: 638 Days

Day: 7.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,852,592 km

• M1: 164,109 km (0.05 R)
• M2: 708,795 km (0.109 R)
• M3: 1,158,486 km (0.083 R)
• M4: 1,838,558 km (0.081 R)
• M5: 2,421,092 km (0.087 R)
• M6: 3,312,097 km (0.117 R)
• M7: 4,334,000 km (0.083 R)
• M8: 5,796,319 km (0.059 R)
• M9: 6,620,304 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.1

Radius: 14.4

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.32 AU - 2.6 AU

Year: 2617 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,852,592 km

• M1: 179,069 km (0.095 R)
• M2: 657,632 km (0.112 R)
• M3: 1,374,954 km (0.105 R)
• M4: 3,104,156 km (0.066 R)
• M5: 5,099,343 km (0.063 R)
• M6: 5,856,607 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 14.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.04 AU - 3.08 AU

Year: 2778 Days

Day: 13 Hours

Environment

Temp: -208 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,852,592 km

• M1: 184,155 km (0.083 R)
• M2: 908,807 km (0.072 R)
• M3: 1,463,516 km (0.115 R)
• M4: 1,928,017 km (0.08 R)
• M5: 3,105,353 km (0.098 R)
• M6: 3,762,985 km (0.118 R)
• M7: 4,512,620 km (0.073 R)
• M8: 5,314,165 km (0.046 R)
• M9: 6,733,400 km (0.086 R)
• M10: 7,871,690 km (0.099 R)
• M11: 8,806,976 km (0.075 R)
• M12: 10,936,652 km (0.103 R)
• M13: 11,941,650 km (0.088 R)
• M14: 12,965,199 km (0.061 R)
• M15: 14,314,871 km (0.105 R)
• M16: 14,954,402 km (0.074 R)
• M17: 16,636,779 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.7

Radius: 9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.53 AU - 3.05 AU

Year: 3161 Days

Day: 8.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,852,592 km

• M1: 112,049 km (0.051 R)
• M2: 476,768 km (0.056 R)
• M3: 957,576 km (0.105 R)
• M4: 1,333,964 km (0.039 R)
• M5: 1,752,689 km (0.073 R)
• M6: 2,616,766 km (0.049 R)
• M7: 2,982,084 km (0.12 R)
• M8: 3,295,192 km (0.108 R)
• M9: 3,630,292 km (0.083 R)
• M10: 4,086,266 km (0.095 R)
• M11: 4,731,182 km (0.107 R)
• M12: 5,442,520 km (0.07 R)
• M13: 6,355,965 km (0.048 R)
• M14: 6,793,389 km (0.068 R)
• M15: 7,076,877 km (0.056 R)
• M16: 8,069,010 km (0.097 R)
• M17: 8,947,449 km (0.118 R)
• M18: 10,401,540 km (0.11 R)
• M19: 10,817,123 km (0.111 R)
• M20: 14,786,254 km (0.11 R)
• M21: 15,167,429 km (0.04 R)
• M22: 15,702,092 km (0.073 R)
• M23: 16,706,641 km (0.09 R)
• M24: 17,120,130 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.3

Radius: 10.3

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.5 AU - 5.44 AU

Year: 6410 Days

Day: 5.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,852,592 km

• M1: 128,056 km (0.082 R)
• M2: 494,122 km (0.12 R)
• M3: 837,598 km (0.101 R)
• M4: 1,801,158 km (0.101 R)
• M5: 2,173,208 km (0.069 R)
• M6: 3,056,284 km (0.101 R)
• M7: 4,569,317 km (0.118 R)
• M8: 5,054,762 km (0.077 R)
• M9: 5,774,627 km (0.113 R)
• M10: 6,099,255 km (0.054 R)
• M11: 7,873,785 km (0.12 R)
• M12: 10,743,221 km (0.117 R)
• M13: 11,100,012 km (0.041 R)
• M14: 11,557,184 km (0.091 R)
• M15: 11,884,653 km (0.061 R)
• M16: 12,954,278 km (0.086 R)
• M17: 14,622,893 km (0.063 R)
• M18: 14,951,110 km (0.119 R)
• M19: 15,736,050 km (0.11 R)
• M20: 16,489,276 km (0.1 R)
• M21: 17,694,735 km (0.032 R)
• M22: 22,090,519 km (0.083 R)
• M23: 22,741,420 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.5

Radius: 12

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.76 AU - 5.46 AU

Year: 6713 Days

Day: 11.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,852,592 km

• M1: 149,598 km (0.096 R)
• M2: 738,415 km (0.06 R)
• M3: 1,644,230 km (0.11 R)
• M4: 2,218,088 km (0.049 R)
• M5: 2,883,200 km (0.102 R)
• M6: 3,677,415 km (0.088 R)
• M7: 4,371,250 km (0.083 R)
• M8: 4,947,501 km (0.094 R)
• M9: 5,420,080 km (0.102 R)
• M10: 6,086,090 km (0.108 R)
• M11: 7,543,772 km (0.113 R)
• M12: 8,051,208 km (0.091 R)
• M13: 8,581,532 km (0.061 R)
• M14: 11,796,390 km (0.099 R)
• M15: 13,081,436 km (0.102 R)
• M16: 15,991,863 km (0.056 R)
• M17: 16,962,753 km (0.117 R)
• M18: 18,110,318 km (0.082 R)
• M19: 18,951,058 km (0.083 R)
• M20: 20,634,932 km (0.054 R)
• M21: 27,818,622 km (0.119 R)
• M22: 29,796,605 km (0.052 R)
• M23: 31,465,070 km (0.095 R)
• M24: 33,195,020 km (0.076 R)
• M25: 34,241,756 km (0.064 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 15,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit