🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.58 AU - 0.86 AU

Year: 218 Days

Day: 48 Hours

Environment

Temp: 132 °C

Axial Tilt: 35.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.6 AU - 0.98 AU

Year: 250 Days

Day: 35.9 Hours

Environment

Temp: 194 °C

Axial Tilt: 22.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,245,153 km

• M1: 17,802 km (0.067 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.94 AU - 1.12 AU

Year: 373 Days

Day: 33.1 Hours

Environment

Temp: 104 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 80,245,153 km

• M1: 127,906 km (0.085 R)
• M2: 198,516 km (0.074 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.01 AU - 1.31 AU

Year: 445 Days

Day: 41 Hours

Environment

Temp: 14 °C

Axial Tilt: 154.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.23 AU - 1.89 AU

Year: 695 Days

Day: 20.9 Hours

Environment

Temp: -39 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,245,153 km

• M1: 280,047 km (0.101 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.22 AU - 3.16 AU

Year: 1573 Days

Day: 40.8 Hours

Environment

Temp: -82 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.32 AU - 5.18 AU

Year: 3123 Days

Day: 22.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 80,245,153 km

• M1: 2,764,569 km (0.119 R)
• M2: 3,108,644 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.2

Radius: 13.4

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.58 AU - 6.48 AU

Year: 4635 Days

Day: 6.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 80,245,153 km

• M1: 168,896 km (0.037 R)
• M2: 339,288 km (0.107 R)
• M3: 495,618 km (0.068 R)
• M4: 689,347 km (0.111 R)
• M5: 974,032 km (0.095 R)
• M6: 1,548,039 km (0.106 R)
• M7: 1,754,334 km (0.081 R)
• M8: 1,897,051 km (0.079 R)
• M9: 1,990,998 km (0.036 R)
• M10: 2,107,984 km (0.084 R)
• M11: 2,216,292 km (0.119 R)
• M12: 2,382,645 km (0.099 R)
• M13: 2,739,735 km (0.101 R)
• M14: 3,003,776 km (0.089 R)
• M15: 3,114,179 km (0.095 R)
• M16: 3,226,078 km (0.078 R)
• M17: 3,492,362 km (0.086 R)
• M18: 3,779,141 km (0.111 R)
• M19: 3,952,376 km (0.115 R)
• M20: 4,265,185 km (0.079 R)
• M21: 4,600,434 km (0.065 R)
• M22: 4,714,128 km (0.062 R)
• M23: 4,872,103 km (0.092 R)
• M24: 5,296,812 km (0.116 R)
• M25: 5,506,099 km (0.059 R)
• M26: 5,886,975 km (0.072 R)
• M27: 6,803,262 km (0.097 R)
• M28: 7,179,052 km (0.112 R)
• M29: 7,561,574 km (0.102 R)
• M30: 7,696,212 km (0.114 R)
• M31: 8,053,601 km (0.075 R)
• M32: 8,191,082 km (0.066 R)
• M33: 8,661,118 km (0.109 R)
• M34: 9,283,745 km (0.117 R)
• M35: 9,609,419 km (0.055 R)
• M36: 10,403,036 km (0.119 R)
• M37: 10,515,534 km (0.106 R)
• M38: 10,836,271 km (0.12 R)
• M39: 10,969,264 km (0.081 R)
• M40: 11,236,894 km (0.102 R)
• M41: 11,837,231 km (0.051 R)
• M42: 12,767,580 km (0.11 R)
• M43: 12,928,248 km (0.09 R)
• M44: 13,495,972 km (0.084 R)
• M45: 13,721,266 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.4

Radius: 6

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 13.97 AU - 20.47 AU

Year: 25471 Days

Day: 23.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 80,245,153 km

• M1: 284,535 km (0.08 R)
• M2: 430,243 km (0.094 R)
• M3: 1,252,882 km (0.113 R)
• M4: 1,527,693 km (0.076 R)
• M5: 1,821,055 km (0.119 R)
• M6: 2,311,736 km (0.113 R)
• M7: 3,079,622 km (0.103 R)
• M8: 4,007,129 km (0.093 R)
• M9: 4,274,161 km (0.115 R)
• M10: 4,872,552 km (0.103 R)
• M11: 5,994,087 km (0.112 R)
• M12: 6,146,079 km (0.07 R)
• M13: 6,350,729 km (0.109 R)
• M14: 6,505,712 km (0.027 R)
• M15: 6,661,892 km (0.117 R)
• M16: 8,688,046 km (0.096 R)
• M17: 8,802,638 km (0.081 R)
• M18: 9,149,406 km (0.101 R)
• M19: 9,441,870 km (0.104 R)
• M20: 9,737,325 km (0.111 R)
• M21: 10,398,099 km (0.049 R)
• M22: 10,764,614 km (0.084 R)
• M23: 11,197,550 km (0.032 R)
• M24: 11,699,301 km (0.084 R)
• M25: 12,854,795 km (0.107 R)
• M26: 17,753,527 km (0.048 R)
• M27: 19,450,566 km (0.098 R)
• M28: 19,977,300 km (0.085 R)
• M29: 20,204,389 km (0.062 R)
• M30: 22,130,611 km (0.105 R)
• M31: 22,917,347 km (0.106 R)
• M32: 25,250,026 km (0.084 R)
• M33: 26,154,495 km (0.063 R)
• M34: 27,404,984 km (0.045 R)
• M35: 28,760,041 km (0.101 R)
• M36: 30,050,023 km (0.108 R)
• M37: 33,491,522 km (0.03 R)
• M38: 34,666,015 km (0.107 R)
• M39: 34,756,971 km (0.053 R)
• M40: 35,304,050 km (0.081 R)
• M41: 35,487,158 km (0.033 R)
• M42: 35,854,122 km (0.029 R)
• M43: 36,130,130 km (0.079 R)
• M44: 38,082,232 km (0.117 R)
• M45: 39,972,850 km (0.111 R)
• M46: 40,641,852 km (0.109 R)
• M47: 42,184,655 km (0.063 R)
• M48: 44,238,634 km (0.071 R)
• M49: 44,534,688 km (0.079 R)
• M50: 45,128,890 km (0.1 R)
• M51: 46,024,982 km (0.032 R)
• M52: 46,324,925 km (0.102 R)
• M53: 50,180,811 km (0.119 R)
• M54: 50,902,171 km (0.082 R)
• M55: 52,146,975 km (0.1 R)
• M56: 52,459,635 km (0.085 R)
• M57: 53,611,688 km (0.119 R)
• M58: 56,154,104 km (0.084 R)
• M59: 56,581,655 km (0.119 R)
• M60: 60,477,931 km (0.101 R)
• M61: 61,575,381 km (0.075 R)
• M62: 63,012,119 km (0.107 R)
• M63: 64,907,375 km (0.077 R)
• M64: 66,821,330 km (0.088 R)
• M65: 69,211,006 km (0.08 R)
• M66: 71,512,869 km (0.027 R)
• M67: 74,308,105 km (0.069 R)
• M68: 74,425,389 km (0.031 R)
• M69: 74,542,674 km (0.086 R)
• M70: 75,719,112 km (0.051 R)
• M71: 75,955,177 km (0.072 R)
• M72: 80,245,195 km (0.079 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 11,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit