🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.5

Radius: 14.6

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.71 AU - 0.83 AU

Year: 436 Days

Day: 12.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,861,012 km

• M1: 181,612 km (0.097 R)
• M2: 664,065 km (0.041 R)
• M3: 1,139,786 km (0.062 R)
• M4: 1,608,028 km (0.068 R)
• M5: 2,287,800 km (0.103 R)
• M6: 3,022,027 km (0.074 R)
• M7: 3,780,039 km (0.103 R)
• M8: 4,288,373 km (0.092 R)
• M9: 4,857,592 km (0.059 R)
• M10: 5,971,648 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.5

Radius: 13.3

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.83 AU - 0.95 AU

Year: 542 Days

Day: 9.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,861,012 km

• M1: 165,605 km (0.11 R)
• M2: 617,390 km (0.11 R)
• M3: 1,364,333 km (0.082 R)
• M4: 1,976,038 km (0.078 R)
• M5: 2,665,834 km (0.119 R)
• M6: 3,542,029 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.1

Radius: 11

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.86 AU - 1.08 AU

Year: 617 Days

Day: 13.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,861,012 km

• M1: 136,882 km (0.114 R)
• M2: 485,894 km (0.071 R)
• M3: 840,291 km (0.103 R)
• M4: 1,324,540 km (0.116 R)
• M5: 1,771,538 km (0.074 R)
• M6: 2,127,581 km (0.115 R)
• M7: 2,531,794 km (0.099 R)
• M8: 3,864,412 km (0.106 R)
• M9: 4,971,736 km (0.053 R)
• M10: 5,509,091 km (0.07 R)
• M11: 5,970,451 km (0.095 R)
• M12: 6,679,994 km (0.074 R)
• M13: 7,226,774 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 11.5

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.2 AU - 1.28 AU

Year: 892 Days

Day: 14.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,861,012 km

• M1: 143,016 km (0.089 R)
• M2: 607,816 km (0.119 R)
• M3: 988,393 km (0.096 R)
• M4: 2,555,880 km (0.104 R)
• M5: 3,013,200 km (0.076 R)
• M6: 4,206,543 km (0.026 R)
• M7: 4,785,486 km (0.118 R)
• M8: 6,496,437 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.1

Radius: 13.9

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.8 AU - 3.12 AU

Year: 3288 Days

Day: 14.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,861,012 km

• M1: 174,431 km (0.117 R)
• M2: 778,358 km (0.055 R)
• M3: 1,446,312 km (0.084 R)
• M4: 3,716,310 km (0.057 R)
• M5: 4,412,988 km (0.102 R)
• M6: 5,897,896 km (0.116 R)
• M7: 7,037,832 km (0.083 R)
• M8: 8,213,222 km (0.111 R)
• M9: 9,437,681 km (0.106 R)
• M10: 11,609,692 km (0.044 R)
• M11: 16,070,850 km (0.051 R)
• M12: 17,036,954 km (0.093 R)
• M13: 18,960,333 km (0.11 R)
• M14: 19,462,982 km (0.116 R)
• M15: 23,521,423 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678

Radius: 13

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.51 AU - 3.63 AU

Year: 3473 Days

Day: 8.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,861,012 km

• M1: 161,715 km (0.087 R)
• M2: 602,879 km (0.107 R)
• M3: 1,219,223 km (0.047 R)
• M4: 1,789,041 km (0.052 R)
• M5: 3,553,697 km (0.042 R)
• M6: 4,168,993 km (0.063 R)
• M7: 6,870,282 km (0.072 R)
• M8: 7,403,000 km (0.092 R)
• M9: 8,030,862 km (0.076 R)
• M10: 9,205,954 km (0.061 R)
• M11: 10,090,526 km (0.094 R)
• M12: 10,656,156 km (0.088 R)
• M13: 11,895,424 km (0.025 R)
• M14: 12,481,250 km (0.077 R)
• M15: 13,516,616 km (0.081 R)
• M16: 14,405,527 km (0.076 R)
• M17: 14,915,955 km (0.087 R)
• M18: 17,884,425 km (0.069 R)
• M19: 18,414,899 km (0.104 R)
• M20: 20,132,732 km (0.09 R)
• M21: 21,030,618 km (0.088 R)
• M22: 23,113,918 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.6

Radius: 11.6

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.98 AU - 4.46 AU

Year: 5597 Days

Day: 9.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 84,861,012 km

• M1: 144,212 km (0.099 R)
• M2: 714,330 km (0.091 R)
• M3: 1,973,346 km (0.111 R)
• M4: 2,920,300 km (0.062 R)
• M5: 4,052,008 km (0.033 R)
• M6: 5,001,506 km (0.056 R)
• M7: 6,188,864 km (0.077 R)
• M8: 6,579,464 km (0.05 R)
• M9: 6,986,370 km (0.095 R)
• M10: 7,410,331 km (0.11 R)
• M11: 8,387,803 km (0.084 R)
• M12: 9,364,677 km (0.092 R)
• M13: 9,750,041 km (0.063 R)
• M14: 10,923,188 km (0.108 R)
• M15: 11,446,930 km (0.044 R)
• M16: 12,188,187 km (0.116 R)
• M17: 13,066,626 km (0.104 R)
• M18: 18,103,586 km (0.099 R)
• M19: 19,731,211 km (0.117 R)
• M20: 20,223,687 km (0.095 R)
• M21: 21,602,232 km (0.093 R)
• M22: 22,657,346 km (0.041 R)
• M23: 24,384,303 km (0.062 R)
• M24: 24,951,878 km (0.054 R)
• M25: 27,484,270 km (0.119 R)
• M26: 28,365,103 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.9

Radius: 3.9

Gravity: 52.98 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 9.1 AU - 11.74 AU

Year: 21718 Days

Day: 15.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,861,012 km

• M1: 48,919 km (0.101 R)
• M2: 323,431 km (0.065 R)
• M3: 834,008 km (0.113 R)
• M4: 1,295,817 km (0.109 R)
• M5: 1,539,212 km (0.112 R)
• M6: 1,699,432 km (0.053 R)
• M7: 1,870,721 km (0.091 R)
• M8: 2,138,502 km (0.095 R)
• M9: 3,068,851 km (0.059 R)
• M10: 5,196,432 km (0.073 R)
• M11: 7,273,149 km (0.103 R)
• M12: 7,725,683 km (0.093 R)
• M13: 10,777,779 km (0.06 R)
• M14: 10,906,582 km (0.101 R)
• M15: 11,565,711 km (0.074 R)
• M16: 16,088,204 km (0.112 R)
• M17: 16,341,024 km (0.078 R)
• M18: 16,768,276 km (0.095 R)
• M19: 17,028,127 km (0.109 R)
• M20: 17,644,919 km (0.096 R)
• M21: 18,459,779 km (0.113 R)
• M22: 22,385,975 km (0.063 R)
• M23: 22,595,711 km (0.094 R)
• M24: 24,431,726 km (0.103 R)
• M25: 26,132,354 km (0.069 R)
• M26: 29,766,984 km (0.12 R)
• M27: 31,179,936 km (0.09 R)
• M28: 35,685,824 km (0.062 R)
• M29: 35,972,154 km (0.1 R)
• M30: 46,811,418 km (0.119 R)
• M31: 47,154,446 km (0.07 R)
• M32: 53,431,423 km (0.12 R)
• M33: 54,940,416 km (0.092 R)
• M34: 57,061,265 km (0.079 R)
• M35: 59,436,580 km (0.052 R)
• M36: 61,260,627 km (0.089 R)
• M37: 66,739,200 km (0.104 R)
• M38: 68,268,091 km (0.111 R)
• M39: 73,686,974 km (0.107 R)
• M40: 83,343,517 km (0.053 R)
• M41: 84,353,153 km (0.034 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 14,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit