🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.8

Radius: 12

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.92 AU - 1.12 AU

Year: 711 Days

Day: 11.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,662,897 km

• M1: 149,299 km (0.067 R)
• M2: 533,466 km (0.062 R)
• M3: 930,349 km (0.095 R)
• M4: 1,341,295 km (0.101 R)
• M5: 1,772,286 km (0.034 R)
• M6: 2,411,069 km (0.12 R)
• M7: 3,012,602 km (0.112 R)
• M8: 3,492,961 km (0.091 R)
• M9: 4,080,282 km (0.103 R)
• M10: 4,858,340 km (0.11 R)
• M11: 5,662,130 km (0.08 R)
• M12: 6,417,150 km (0.115 R)
• M13: 6,809,097 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.8

Radius: 14.3

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.2 AU - 1.26 AU

Year: 942 Days

Day: 13.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,662,897 km

• M1: 178,470 km (0.065 R)
• M2: 798,105 km (0.104 R)
• M3: 1,248,394 km (0.095 R)
• M4: 1,697,038 km (0.118 R)
• M5: 2,327,892 km (0.078 R)
• M6: 2,793,441 km (0.12 R)
• M7: 3,498,645 km (0.1 R)
• M8: 4,369,006 km (0.055 R)
• M9: 5,435,639 km (0.09 R)
• M10: 5,980,474 km (0.082 R)
• M11: 7,294,991 km (0.056 R)
• M12: 8,156,824 km (0.049 R)
• M13: 8,899,577 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.5

Radius: 13.5

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.09 AU - 1.73 AU

Year: 1156 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,662,897 km

• M1: 167,998 km (0.088 R)
• M2: 734,526 km (0.032 R)
• M3: 1,225,805 km (0.082 R)
• M4: 2,075,371 km (0.083 R)
• M5: 2,897,711 km (0.068 R)
• M6: 3,343,961 km (0.072 R)
• M7: 4,196,519 km (0.116 R)
• M8: 4,986,396 km (0.054 R)
• M9: 5,592,716 km (0.07 R)
• M10: 7,860,770 km (0.063 R)
• M11: 9,283,445 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 11.2

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.44 AU - 1.68 AU

Year: 1345 Days

Day: 12.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,662,897 km

• M1: 139,276 km (0.047 R)
• M2: 504,444 km (0.118 R)
• M3: 917,933 km (0.077 R)
• M4: 1,669,213 km (0.079 R)
• M5: 2,046,798 km (0.113 R)
• M6: 2,703,533 km (0.059 R)
• M7: 3,375,975 km (0.098 R)
• M8: 3,808,313 km (0.103 R)
• M9: 4,330,260 km (0.051 R)
• M10: 4,995,671 km (0.086 R)
• M11: 5,517,618 km (0.102 R)
• M12: 5,987,655 km (0.057 R)
• M13: 6,530,545 km (0.118 R)
• M14: 8,386,606 km (0.088 R)
• M15: 10,346,638 km (0.116 R)
• M16: 10,798,872 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.3

Radius: 8.8

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.9 AU - 3.52 AU

Year: 3970 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,662,897 km

• M1: 109,506 km (0.061 R)
• M2: 486,642 km (0.119 R)
• M3: 929,751 km (0.118 R)
• M4: 1,515,875 km (0.086 R)
• M5: 2,405,833 km (0.102 R)
• M6: 2,877,814 km (0.028 R)
• M7: 3,752,513 km (0.12 R)
• M8: 4,139,523 km (0.078 R)
• M9: 4,482,102 km (0.068 R)
• M10: 5,382,531 km (0.055 R)
• M11: 5,960,727 km (0.089 R)
• M12: 6,250,349 km (0.097 R)
• M13: 7,911,334 km (0.036 R)
• M14: 8,843,777 km (0.088 R)
• M15: 9,491,985 km (0.091 R)
• M16: 12,172,629 km (0.116 R)
• M17: 13,911,854 km (0.098 R)
• M18: 15,537,085 km (0.096 R)
• M19: 15,865,752 km (0.07 R)
• M20: 16,480,300 km (0.116 R)
• M21: 20,637,176 km (0.062 R)
• M22: 20,967,937 km (0.05 R)
• M23: 24,768,770 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116

Radius: 9.9

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.34 AU - 3.74 AU

Year: 4597 Days

Day: 13.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,662,897 km

• M1: 152,291 km (0.059 R)
• M2: 750,084 km (0.069 R)
• M3: 1,967,062 km (0.11 R)
• M4: 3,025,767 km (0.043 R)
• M5: 5,029,630 km (0.116 R)
• M6: 9,150,004 km (0.093 R)
• M7: 10,659,297 km (0.104 R)
• M8: 11,024,166 km (0.074 R)
• M9: 11,549,105 km (0.095 R)
• M10: 14,077,010 km (0.115 R)
• M11: 15,469,916 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.2

Radius: 6.9

Gravity: 19.37 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.08 AU - 7.43 AU

Year: 10785 Days

Day: 23.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,662,897 km

• M1: 136,583 km (0.113 R)
• M2: 557,701 km (0.101 R)
• M3: 883,226 km (0.108 R)
• M4: 1,924,128 km (0.078 R)
• M5: 2,468,664 km (0.082 R)
• M6: 3,589,601 km (0.074 R)
• M7: 4,535,508 km (0.113 R)
• M8: 6,270,694 km (0.04 R)
• M9: 6,664,585 km (0.118 R)
• M10: 7,990,920 km (0.042 R)
• M11: 8,837,195 km (0.081 R)
• M12: 9,586,980 km (0.1 R)
• M13: 10,163,081 km (0.053 R)
• M14: 11,098,666 km (0.05 R)
• M15: 12,332,100 km (0.109 R)
• M16: 14,383,536 km (0.067 R)
• M17: 14,860,903 km (0.084 R)
• M18: 17,026,930 km (0.12 R)
• M19: 17,407,358 km (0.07 R)
• M20: 18,264,105 km (0.084 R)
• M21: 19,394,915 km (0.104 R)
• M22: 20,400,662 km (0.081 R)
• M23: 22,606,931 km (0.099 R)
• M24: 23,814,934 km (0.112 R)
• M25: 24,967,585 km (0.033 R)
• M26: 25,359,831 km (0.099 R)
• M27: 26,765,453 km (0.05 R)
• M28: 30,954,043 km (0.098 R)
• M29: 31,864,047 km (0.107 R)
• M30: 35,683,131 km (0.042 R)
• M31: 37,960,011 km (0.11 R)
• M32: 38,348,666 km (0.07 R)
• M33: 42,521,848 km (0.035 R)
• M34: 46,690,692 km (0.081 R)
• M35: 48,797,329 km (0.112 R)
• M36: 49,256,894 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 10,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit