🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.76 AU - 0.88 AU

Year: 261 Days

Day: 15.4 Hours

Environment

Temp: 200 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,012,627 km

• M1: 16,157 km (0.063 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.87 AU - 2.45 AU

Year: 1116 Days

Day: 22.7 Hours

Environment

Temp: -66 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.43 AU - 3.01 AU

Year: 1577 Days

Day: 48 Hours

Environment

Temp: -74 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.24 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967

Radius: 8.4

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.43 AU - 6.07 AU

Year: 4846 Days

Day: 8.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,012,627 km

• M1: 104,719 km (0.117 R)
• M2: 369,058 km (0.071 R)
• M3: 755,320 km (0.114 R)
• M4: 1,820,606 km (0.106 R)
• M5: 2,519,677 km (0.032 R)
• M6: 2,826,502 km (0.107 R)
• M7: 3,344,410 km (0.108 R)
• M8: 3,830,753 km (0.107 R)
• M9: 4,727,592 km (0.082 R)
• M10: 5,788,390 km (0.083 R)
• M11: 6,490,154 km (0.119 R)
• M12: 7,834,291 km (0.066 R)
• M13: 8,978,266 km (0.111 R)
• M14: 10,594,671 km (0.03 R)
• M15: 11,990,569 km (0.085 R)
• M16: 12,758,754 km (0.095 R)
• M17: 13,075,153 km (0.108 R)
• M18: 14,449,958 km (0.117 R)
• M19: 15,557,580 km (0.052 R)
• M20: 17,291,419 km (0.074 R)
• M21: 18,471,747 km (0.12 R)
• M22: 22,640,441 km (0.108 R)
• M23: 24,373,233 km (0.115 R)
• M24: 29,179,813 km (0.095 R)
• M25: 31,611,975 km (0.065 R)
• M26: 32,680,552 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.3

Radius: 13.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.16 AU - 7.64 AU

Year: 5690 Days

Day: 12.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,012,627 km

• M1: 169,195 km (0.041 R)
• M2: 782,546 km (0.086 R)
• M3: 1,614,759 km (0.07 R)
• M4: 2,074,773 km (0.111 R)
• M5: 2,678,101 km (0.087 R)
• M6: 3,993,366 km (0.037 R)
• M7: 4,740,757 km (0.061 R)
• M8: 5,765,203 km (0.09 R)
• M9: 6,861,606 km (0.08 R)
• M10: 7,329,996 km (0.085 R)
• M11: 8,698,667 km (0.096 R)
• M12: 10,370,872 km (0.083 R)
• M13: 10,844,499 km (0.059 R)
• M14: 11,632,581 km (0.104 R)
• M15: 12,831,907 km (0.086 R)
• M16: 14,576,817 km (0.115 R)
• M17: 17,384,320 km (0.083 R)
• M18: 17,918,833 km (0.072 R)
• M19: 19,374,121 km (0.096 R)
• M20: 20,240,442 km (0.07 R)
• M21: 21,207,892 km (0.075 R)
• M22: 22,676,943 km (0.045 R)
• M23: 25,133,340 km (0.116 R)
• M24: 26,338,201 km (0.113 R)
• M25: 28,770,363 km (0.098 R)
• M26: 33,766,783 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.6

Radius: 13.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 11.28 AU - 11.38 AU

Year: 13404 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,012,627 km

• M1: 415,732 km (0.1 R)
• M2: 849,866 km (0.094 R)
• M3: 3,058,977 km (0.091 R)
• M4: 7,793,301 km (0.069 R)
• M5: 9,153,146 km (0.087 R)
• M6: 10,759,528 km (0.119 R)
• M7: 12,756,958 km (0.07 R)
• M8: 29,795,258 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.6

Radius: 6

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 13.29 AU - 21.49 AU

Year: 25488 Days

Day: 19.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,012,627 km

• M1: 81,232 km (0.052 R)
• M2: 431,141 km (0.092 R)
• M3: 717,023 km (0.028 R)
• M4: 938,876 km (0.099 R)
• M5: 1,525,001 km (0.047 R)
• M6: 1,803,851 km (0.096 R)
• M7: 2,676,605 km (0.117 R)
• M8: 3,330,946 km (0.111 R)
• M9: 4,317,544 km (0.084 R)
• M10: 5,446,110 km (0.108 R)
• M11: 6,185,124 km (0.077 R)
• M12: 7,271,803 km (0.057 R)
• M13: 7,513,403 km (0.103 R)
• M14: 8,063,475 km (0.058 R)
• M15: 9,527,440 km (0.066 R)
• M16: 10,413,209 km (0.118 R)
• M17: 11,096,721 km (0.108 R)
• M18: 12,552,757 km (0.085 R)
• M19: 14,281,510 km (0.103 R)
• M20: 15,046,554 km (0.109 R)
• M21: 15,598,121 km (0.07 R)
• M22: 16,000,240 km (0.099 R)
• M23: 21,875,996 km (0.107 R)
• M24: 23,306,151 km (0.076 R)
• M25: 25,678,026 km (0.088 R)
• M26: 27,384,339 km (0.109 R)
• M27: 28,923,103 km (0.115 R)
• M28: 29,407,949 km (0.088 R)
• M29: 33,218,506 km (0.108 R)
• M30: 34,967,305 km (0.089 R)
• M31: 36,494,101 km (0.085 R)
• M32: 39,087,680 km (0.083 R)
• M33: 41,801,684 km (0.087 R)
• M34: 54,097,732 km (0.116 R)
• M35: 59,779,908 km (0.039 R)
• M36: 60,369,024 km (0.118 R)
• M37: 69,029,245 km (0.11 R)

Kuiper Belt

Range: 31.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 20,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit