🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.4

Radius: 8.1

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.45 AU - 0.73 AU

Year: 302 Days

Day: 7.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,045,349 km

• M1: 100,679 km (0.097 R)
• M2: 353,949 km (0.109 R)
• M3: 620,532 km (0.12 R)
• M4: 889,659 km (0.06 R)
• M5: 1,206,208 km (0.101 R)
• M6: 2,038,869 km (0.114 R)
• M7: 2,295,879 km (0.04 R)
• M8: 2,944,236 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.9

Radius: 11.6

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.62 AU - 0.78 AU

Year: 391 Days

Day: 12.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,045,349 km

• M1: 144,661 km (0.073 R)
• M2: 521,349 km (0.094 R)
• M3: 924,964 km (0.113 R)
• M4: 1,349,672 km (0.082 R)
• M5: 1,755,082 km (0.099 R)
• M6: 2,173,807 km (0.082 R)
• M7: 2,728,815 km (0.066 R)
• M8: 3,330,647 km (0.078 R)
• M9: 3,825,816 km (0.105 R)
• M10: 4,273,562 km (0.039 R)
• M11: 4,859,836 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.2

Radius: 8.2

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.79 AU - 0.89 AU

Year: 513 Days

Day: 11.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,045,349 km

• M1: 104,569 km (0.078 R)
• M2: 359,932 km (0.119 R)
• M3: 678,426 km (0.061 R)
• M4: 1,060,948 km (0.042 R)
• M5: 1,339,200 km (0.115 R)
• M6: 2,110,228 km (0.084 R)
• M7: 2,630,379 km (0.108 R)
• M8: 3,295,043 km (0.094 R)
• M9: 4,270,271 km (0.118 R)
• M10: 4,986,845 km (0.073 R)
• M11: 5,513,430 km (0.1 R)
• M12: 5,983,316 km (0.076 R)
• M13: 6,920,547 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.6

Radius: 14.1

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.97 AU - 1.07 AU

Year: 687 Days

Day: 6 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,045,349 km

• M1: 179,517 km (0.096 R)
• M2: 630,555 km (0.107 R)
• M3: 1,354,459 km (0.105 R)
• M4: 1,996,384 km (0.097 R)
• M5: 2,745,570 km (0.106 R)
• M6: 3,301,475 km (0.038 R)
• M7: 3,760,292 km (0.115 R)
• M8: 4,323,827 km (0.11 R)
• M9: 5,204,061 km (0.111 R)
• M10: 5,791,532 km (0.089 R)
• M11: 6,525,908 km (0.112 R)
• M12: 7,122,205 km (0.102 R)
• M13: 8,132,739 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.2

Radius: 9.9

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.67 AU - 4.91 AU

Year: 6991 Days

Day: 13.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,045,349 km

• M1: 123,418 km (0.086 R)
• M2: 825,331 km (0.081 R)
• M3: 1,315,863 km (0.104 R)
• M4: 1,844,991 km (0.087 R)
• M5: 2,830,990 km (0.088 R)
• M6: 3,351,740 km (0.034 R)
• M7: 4,009,821 km (0.116 R)
• M8: 4,979,814 km (0.105 R)
• M9: 7,416,015 km (0.113 R)
• M10: 9,086,874 km (0.055 R)
• M11: 12,228,728 km (0.12 R)
• M12: 14,131,015 km (0.071 R)
• M13: 15,524,669 km (0.103 R)
• M14: 17,886,969 km (0.116 R)
• M15: 25,426,701 km (0.09 R)
• M16: 34,523,598 km (0.091 R)
• M17: 38,056,801 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.1

Radius: 11.4

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.52 AU - 6.66 AU

Year: 8813 Days

Day: 10.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,045,349 km

• M1: 141,819 km (0.058 R)
• M2: 1,495,081 km (0.066 R)
• M3: 2,133,864 km (0.1 R)
• M4: 2,564,706 km (0.118 R)
• M5: 3,071,543 km (0.075 R)
• M6: 3,808,911 km (0.099 R)
• M7: 4,660,871 km (0.106 R)
• M8: 6,377,058 km (0.078 R)
• M9: 6,802,664 km (0.115 R)
• M10: 11,227,470 km (0.076 R)
• M11: 12,541,986 km (0.075 R)
• M12: 14,261,913 km (0.111 R)
• M13: 15,366,544 km (0.104 R)
• M14: 19,971,914 km (0.103 R)
• M15: 22,239,967 km (0.107 R)
• M16: 23,579,616 km (0.077 R)
• M17: 24,379,367 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.6

Radius: 7.5

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.95 AU - 7.85 AU

Year: 12087 Days

Day: 17.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,045,349 km

• M1: 93,648 km (0.065 R)
• M2: 357,539 km (0.075 R)
• M3: 727,345 km (0.063 R)
• M4: 1,070,672 km (0.094 R)
• M5: 1,365,529 km (0.063 R)
• M6: 2,022,414 km (0.095 R)
• M7: 2,349,135 km (0.09 R)
• M8: 2,611,979 km (0.068 R)
• M9: 3,618,174 km (0.058 R)
• M10: 3,918,716 km (0.081 R)
• M11: 5,073,761 km (0.1 R)
• M12: 5,948,909 km (0.052 R)
• M13: 6,920,996 km (0.047 R)
• M14: 7,385,497 km (0.046 R)
• M15: 8,904,364 km (0.072 R)
• M16: 9,689,604 km (0.101 R)
• M17: 11,772,006 km (0.067 R)
• M18: 15,074,678 km (0.113 R)
• M19: 16,389,943 km (0.066 R)
• M20: 22,253,880 km (0.065 R)
• M21: 23,350,432 km (0.118 R)
• M22: 25,378,232 km (0.074 R)
• M23: 27,808,449 km (0.074 R)
• M24: 29,179,214 km (0.085 R)
• M25: 29,881,277 km (0.108 R)
• M26: 32,055,084 km (0.078 R)
• M27: 32,373,877 km (0.112 R)
• M28: 35,340,103 km (0.073 R)
• M29: 37,768,675 km (0.098 R)
• M30: 38,482,556 km (0.072 R)
• M31: 39,084,239 km (0.114 R)
• M32: 39,570,133 km (0.077 R)
• M33: 40,306,453 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.6

Radius: 6.9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.81 AU - 10.99 AU

Year: 20772 Days

Day: 22.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,045,349 km

• M1: 86,767 km (0.114 R)
• M2: 583,731 km (0.07 R)
• M3: 1,030,281 km (0.09 R)
• M4: 2,208,065 km (0.102 R)
• M5: 2,832,935 km (0.088 R)
• M6: 4,396,831 km (0.116 R)
• M7: 5,558,010 km (0.119 R)
• M8: 6,994,299 km (0.107 R)
• M9: 10,634,314 km (0.054 R)
• M10: 12,205,391 km (0.062 R)
• M11: 14,808,394 km (0.1 R)
• M12: 15,584,358 km (0.072 R)
• M13: 16,988,035 km (0.082 R)
• M14: 18,313,622 km (0.055 R)
• M15: 20,993,518 km (0.117 R)
• M16: 24,115,626 km (0.1 R)
• M17: 25,386,908 km (0.049 R)
• M18: 26,394,899 km (0.059 R)
• M19: 27,956,401 km (0.083 R)
• M20: 28,275,793 km (0.112 R)
• M21: 29,578,341 km (0.051 R)
• M22: 36,441,742 km (0.075 R)
• M23: 37,723,347 km (0.075 R)
• M24: 38,506,492 km (0.059 R)
• M25: 40,647,985 km (0.079 R)
• M26: 47,094,158 km (0.104 R)
• M27: 47,546,691 km (0.112 R)
• M28: 49,540,980 km (0.093 R)
• M29: 50,637,682 km (0.052 R)
• M30: 51,112,506 km (0.104 R)
• M31: 53,368,143 km (0.077 R)
• M32: 56,704,325 km (0.06 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: 241 - 17,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit