🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.83 AU - 0.87 AU

Year: 281 Days

Day: 20 Hours

Environment

Temp: 102 °C

Axial Tilt: 126.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,360,083 km

• M1: 382,821 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.18 AU - 3.82 AU

Year: 2345 Days

Day: 31.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,360,083 km

• M1: 372,947 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.07 AU - 4.31 AU

Year: 2539 Days

Day: 46.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,360,083 km

• M1: 742,604 km (0.089 R)

Asteroid Belt

Center: 4.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.8

Radius: 12.2

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.99 AU - 5.67 AU

Year: 4407 Days

Day: 8.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,360,083 km

• M1: 153,188 km (0.065 R)
• M2: 538,702 km (0.053 R)
• M3: 996,023 km (0.072 R)
• M4: 1,377,348 km (0.099 R)
• M5: 2,236,488 km (0.052 R)
• M6: 3,001,382 km (0.111 R)
• M7: 3,465,734 km (0.115 R)
• M8: 4,867,167 km (0.087 R)
• M9: 6,061,855 km (0.084 R)
• M10: 7,756,799 km (0.081 R)
• M11: 8,599,783 km (0.117 R)
• M12: 9,707,256 km (0.069 R)
• M13: 10,996,939 km (0.077 R)
• M14: 20,064,515 km (0.097 R)
• M15: 20,881,918 km (0.05 R)
• M16: 22,655,850 km (0.085 R)
• M17: 26,018,510 km (0.076 R)
• M18: 27,402,590 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 8.1

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.51 AU - 6.63 AU

Year: 5356 Days

Day: 10.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,360,083 km

• M1: 100,679 km (0.084 R)
• M2: 427,401 km (0.099 R)
• M3: 1,203,066 km (0.084 R)
• M4: 3,103,258 km (0.118 R)
• M5: 3,529,762 km (0.037 R)
• M6: 4,893,945 km (0.077 R)
• M7: 8,003,037 km (0.059 R)
• M8: 8,693,431 km (0.079 R)
• M9: 12,899,376 km (0.087 R)
• M10: 14,104,835 km (0.066 R)
• M11: 17,088,565 km (0.062 R)
• M12: 23,752,552 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.7

Radius: 8.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.25 AU - 8.97 AU

Year: 7519 Days

Day: 10.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,360,083 km

• M1: 111,600 km (0.117 R)
• M2: 592,557 km (0.059 R)
• M3: 1,026,541 km (0.092 R)
• M4: 1,332,019 km (0.035 R)
• M5: 1,686,716 km (0.076 R)
• M6: 2,589,240 km (0.097 R)
• M7: 3,907,197 km (0.115 R)
• M8: 4,618,086 km (0.087 R)
• M9: 11,834,089 km (0.109 R)
• M10: 14,098,103 km (0.098 R)
• M11: 14,706,368 km (0.104 R)
• M12: 17,720,167 km (0.116 R)
• M13: 20,409,937 km (0.076 R)
• M14: 23,290,294 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.8

Radius: 9.9

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 9.06 AU - 11.86 AU

Year: 12116 Days

Day: 9.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,360,083 km

• M1: 126,859 km (0.075 R)
• M2: 1,525,898 km (0.089 R)
• M3: 1,988,455 km (0.097 R)
• M4: 2,686,628 km (0.105 R)
• M5: 3,013,051 km (0.069 R)
• M6: 3,799,636 km (0.091 R)
• M7: 7,524,025 km (0.104 R)
• M8: 9,012,075 km (0.092 R)
• M9: 11,401,303 km (0.079 R)
• M10: 11,741,338 km (0.113 R)
• M11: 13,169,699 km (0.102 R)
• M12: 13,607,422 km (0.073 R)
• M13: 14,380,245 km (0.062 R)
• M14: 15,046,255 km (0.071 R)
• M15: 16,225,834 km (0.075 R)
• M16: 22,172,798 km (0.104 R)
• M17: 24,533,303 km (0.104 R)
• M18: 26,757,075 km (0.102 R)
• M19: 30,069,770 km (0.049 R)
• M20: 33,646,356 km (0.106 R)
• M21: 40,047,200 km (0.083 R)
• M22: 41,765,482 km (0.063 R)
• M23: 42,710,940 km (0.063 R)
• M24: 43,532,532 km (0.059 R)
• M25: 48,684,981 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.2

Radius: 13.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 10.04 AU - 15.06 AU

Year: 15924 Days

Day: 10.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,360,083 km

• M1: 172,486 km (0.114 R)
• M2: 767,287 km (0.048 R)
• M3: 1,210,396 km (0.039 R)
• M4: 1,831,676 km (0.116 R)
• M5: 2,283,761 km (0.11 R)
• M6: 3,677,265 km (0.104 R)
• M7: 4,408,200 km (0.069 R)
• M8: 6,086,240 km (0.105 R)
• M9: 7,578,927 km (0.057 R)
• M10: 8,813,559 km (0.035 R)
• M11: 11,506,171 km (0.04 R)
• M12: 12,514,460 km (0.111 R)
• M13: 13,197,674 km (0.097 R)
• M14: 15,680,250 km (0.081 R)
• M15: 17,524,643 km (0.038 R)
• M16: 18,459,629 km (0.065 R)
• M17: 19,264,017 km (0.095 R)
• M18: 27,485,168 km (0.118 R)
• M19: 29,937,675 km (0.04 R)
• M20: 30,824,043 km (0.112 R)
• M21: 32,648,987 km (0.114 R)
• M22: 33,706,644 km (0.113 R)
• M23: 34,665,866 km (0.042 R)
• M24: 41,760,096 km (0.098 R)
• M25: 46,893,697 km (0.104 R)
• M26: 47,339,498 km (0.118 R)
• M27: 48,542,564 km (0.114 R)
• M28: 49,611,740 km (0.115 R)
• M29: 52,433,156 km (0.086 R)
• M30: 53,235,599 km (0.085 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 16,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit