🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.5

Radius: 11.7

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.55 AU - 0.85 AU

Year: 384 Days

Day: 12.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,932,042 km

• M1: 157,975 km (0.115 R)
• M2: 586,573 km (0.114 R)
• M3: 977,622 km (0.052 R)
• M4: 1,361,789 km (0.113 R)
• M5: 2,033,783 km (0.103 R)
• M6: 2,480,183 km (0.074 R)
• M7: 3,136,319 km (0.107 R)
• M8: 3,686,092 km (0.116 R)
• M9: 4,105,863 km (0.071 R)
• M10: 4,528,328 km (0.084 R)
• M11: 5,628,769 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.6

Radius: 8

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.88 AU - 0.92 AU

Year: 560 Days

Day: 5.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,932,042 km

• M1: 99,483 km (0.05 R)
• M2: 493,374 km (0.071 R)
• M3: 818,151 km (0.112 R)
• M4: 1,239,718 km (0.065 R)
• M5: 1,638,246 km (0.085 R)
• M6: 2,264,463 km (0.078 R)
• M7: 2,726,870 km (0.109 R)
• M8: 3,840,477 km (0.099 R)
• M9: 4,691,389 km (0.113 R)
• M10: 5,041,149 km (0.096 R)
• M11: 6,414,158 km (0.084 R)
• M12: 7,036,186 km (0.093 R)
• M13: 7,450,423 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.5

Radius: 8.5

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.45 AU - 1.77 AU

Year: 1340 Days

Day: 5.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,932,042 km

• M1: 105,766 km (0.114 R)
• M2: 380,577 km (0.115 R)
• M3: 992,582 km (0.112 R)
• M4: 1,286,841 km (0.037 R)
• M5: 1,828,236 km (0.039 R)
• M6: 2,332,680 km (0.051 R)
• M7: 3,219,496 km (0.071 R)
• M8: 4,531,918 km (0.096 R)
• M9: 5,034,567 km (0.085 R)
• M10: 5,919,139 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.3

Radius: 12.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.48 AU - 2.38 AU

Year: 1759 Days

Day: 8.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,932,042 km

• M1: 156,180 km (0.108 R)
• M2: 755,768 km (0.104 R)
• M3: 1,295,069 km (0.063 R)
• M4: 1,781,860 km (0.053 R)
• M5: 2,429,170 km (0.05 R)
• M6: 2,924,638 km (0.081 R)
• M7: 3,504,031 km (0.109 R)
• M8: 3,992,468 km (0.098 R)
• M9: 4,447,246 km (0.109 R)
• M10: 5,042,944 km (0.059 R)
• M11: 5,621,738 km (0.09 R)
• M12: 6,495,988 km (0.112 R)
• M13: 7,829,354 km (0.111 R)
• M14: 8,241,945 km (0.076 R)
• M15: 10,563,255 km (0.092 R)
• M16: 11,289,104 km (0.112 R)
• M17: 11,740,441 km (0.071 R)
• M18: 12,282,284 km (0.064 R)
• M19: 12,679,317 km (0.1 R)
• M20: 15,245,519 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.1

Radius: 8.9

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.75 AU - 2.97 AU

Year: 3173 Days

Day: 6.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,932,042 km

• M1: 110,702 km (0.11 R)
• M2: 421,567 km (0.038 R)
• M3: 875,596 km (0.102 R)
• M4: 1,354,459 km (0.066 R)
• M5: 1,923,679 km (0.083 R)
• M6: 2,371,725 km (0.099 R)
• M7: 2,756,490 km (0.062 R)
• M8: 3,218,299 km (0.115 R)
• M9: 3,671,581 km (0.098 R)
• M10: 4,566,924 km (0.098 R)
• M11: 5,841,647 km (0.09 R)
• M12: 6,814,033 km (0.119 R)
• M13: 7,150,629 km (0.093 R)
• M14: 7,725,533 km (0.083 R)
• M15: 9,712,343 km (0.07 R)
• M16: 10,864,994 km (0.086 R)
• M17: 15,751,609 km (0.055 R)
• M18: 16,945,848 km (0.042 R)
• M19: 19,513,845 km (0.086 R)
• M20: 19,944,987 km (0.089 R)
• M21: 21,997,469 km (0.113 R)
• M22: 22,531,833 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.8

Radius: 13.8

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.99 AU - 6.31 AU

Year: 7667 Days

Day: 8.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,932,042 km

• M1: 171,738 km (0.099 R)
• M2: 842,386 km (0.12 R)
• M3: 1,373,907 km (0.078 R)
• M4: 2,022,713 km (0.077 R)
• M5: 2,559,021 km (0.101 R)
• M6: 3,397,068 km (0.113 R)
• M7: 4,388,454 km (0.095 R)
• M8: 5,193,888 km (0.079 R)
• M9: 8,716,769 km (0.037 R)
• M10: 9,358,394 km (0.117 R)
• M11: 10,778,676 km (0.099 R)
• M12: 12,385,058 km (0.095 R)
• M13: 13,891,957 km (0.072 R)
• M14: 16,124,406 km (0.086 R)
• M15: 17,150,797 km (0.111 R)
• M16: 17,680,075 km (0.054 R)
• M17: 22,595,262 km (0.08 R)
• M18: 23,807,753 km (0.112 R)
• M19: 25,063,178 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.7

Radius: 7.5

Gravity: 16.42 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.61 AU - 7.77 AU

Year: 12647 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,932,042 km

• M1: 93,349 km (0.042 R)
• M2: 391,797 km (0.099 R)
• M3: 690,843 km (0.046 R)
• M4: 1,762,861 km (0.112 R)
• M5: 2,376,661 km (0.112 R)
• M6: 2,813,338 km (0.119 R)
• M7: 3,175,065 km (0.037 R)
• M8: 3,904,355 km (0.115 R)
• M9: 5,253,877 km (0.088 R)
• M10: 5,918,241 km (0.032 R)
• M11: 6,637,358 km (0.045 R)
• M12: 9,247,692 km (0.05 R)
• M13: 11,545,365 km (0.092 R)
• M14: 12,793,610 km (0.053 R)
• M15: 15,555,935 km (0.096 R)
• M16: 19,366,342 km (0.038 R)
• M17: 20,407,842 km (0.067 R)
• M18: 21,122,621 km (0.111 R)
• M19: 22,132,706 km (0.055 R)
• M20: 34,690,549 km (0.044 R)
• M21: 35,324,246 km (0.072 R)
• M22: 60,825,597 km (0.074 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 19,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit