🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.85 AU - 0.97 AU

Year: 304 Days

Day: 37.1 Hours

Environment

Temp: 102 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,201,454 km

• M1: 26,928 km (0.1 R)
• M2: 293,810 km (0.08 R)

Asteroid Belt

Center: 1.2 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.46 AU - 1.5 AU

Year: 630 Days

Day: 21.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 7.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,201,454 km

• M1: 44,281 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.86 AU - 2.26 AU

Year: 1034 Days

Day: 25.1 Hours

Environment

Temp: -49 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,201,454 km

• M1: 1,203,515 km (0.049 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.27 AU - 4.55 AU

Year: 2705 Days

Day: 24.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,201,454 km

• M1: 659,128 km (0.106 R)
• M2: 1,941,032 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.07 AU - 4.81 AU

Year: 3273 Days

Day: 38.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670

Radius: 8.4

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.07 AU - 8.41 AU

Year: 7533 Days

Day: 10.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,201,454 km

• M1: 106,663 km (0.07 R)
• M2: 452,982 km (0.11 R)
• M3: 1,102,836 km (0.085 R)
• M4: 1,568,384 km (0.051 R)
• M5: 1,877,154 km (0.077 R)
• M6: 2,381,598 km (0.119 R)
• M7: 2,695,155 km (0.076 R)
• M8: 3,015,295 km (0.096 R)
• M9: 3,474,111 km (0.07 R)
• M10: 3,805,321 km (0.104 R)
• M11: 4,642,321 km (0.112 R)
• M12: 6,154,606 km (0.081 R)
• M13: 7,078,373 km (0.071 R)
• M14: 7,457,304 km (0.088 R)
• M15: 8,978,415 km (0.104 R)
• M16: 10,069,433 km (0.085 R)
• M17: 10,943,982 km (0.083 R)
• M18: 12,622,320 km (0.08 R)
• M19: 13,123,772 km (0.063 R)
• M20: 17,080,337 km (0.115 R)
• M21: 17,971,192 km (0.108 R)
• M22: 18,892,715 km (0.058 R)
• M23: 19,182,486 km (0.087 R)
• M24: 20,144,849 km (0.085 R)
• M25: 20,599,776 km (0.094 R)
• M26: 21,925,812 km (0.117 R)
• M27: 22,407,218 km (0.065 R)
• M28: 34,002,848 km (0.101 R)
• M29: 34,324,184 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.1

Radius: 14.3

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.34 AU - 10.88 AU

Year: 10422 Days

Day: 14.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,201,454 km

• M1: 177,872 km (0.091 R)
• M2: 634,445 km (0.032 R)
• M3: 1,309,281 km (0.107 R)
• M4: 1,894,807 km (0.089 R)
• M5: 2,539,274 km (0.108 R)
• M6: 3,442,995 km (0.087 R)
• M7: 4,193,827 km (0.101 R)
• M8: 4,930,895 km (0.072 R)
• M9: 6,410,418 km (0.104 R)
• M10: 8,599,933 km (0.089 R)
• M11: 9,137,288 km (0.101 R)
• M12: 11,839,475 km (0.051 R)
• M13: 12,790,618 km (0.087 R)
• M14: 13,731,738 km (0.094 R)
• M15: 14,343,145 km (0.119 R)
• M16: 15,229,512 km (0.117 R)
• M17: 17,322,237 km (0.042 R)
• M18: 18,474,290 km (0.093 R)
• M19: 18,919,344 km (0.054 R)
• M20: 19,447,574 km (0.114 R)
• M21: 20,297,738 km (0.046 R)
• M22: 21,824,085 km (0.115 R)
• M23: 24,211,368 km (0.056 R)
• M24: 25,468,140 km (0.119 R)
• M25: 30,829,428 km (0.11 R)
• M26: 32,305,511 km (0.105 R)
• M27: 33,060,980 km (0.038 R)
• M28: 34,049,672 km (0.073 R)
• M29: 34,832,069 km (0.083 R)
• M30: 35,626,583 km (0.047 R)
• M31: 37,251,665 km (0.089 R)
• M32: 38,082,532 km (0.109 R)
• M33: 38,925,815 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.3

Radius: 6.8

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 13.17 AU - 13.43 AU

Year: 16969 Days

Day: 15.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,201,454 km

• M1: 85,420 km (0.117 R)
• M2: 443,408 km (0.109 R)
• M3: 664,065 km (0.103 R)
• M4: 1,517,820 km (0.103 R)
• M5: 2,003,265 km (0.1 R)
• M6: 5,306,236 km (0.099 R)
• M7: 5,824,294 km (0.079 R)
• M8: 6,832,733 km (0.101 R)
• M9: 7,222,884 km (0.117 R)
• M10: 8,581,383 km (0.042 R)
• M11: 9,937,039 km (0.112 R)
• M12: 12,356,036 km (0.082 R)
• M13: 12,869,905 km (0.098 R)
• M14: 14,217,034 km (0.099 R)
• M15: 14,709,959 km (0.106 R)
• M16: 15,507,614 km (0.086 R)
• M17: 15,730,067 km (0.077 R)
• M18: 16,874,341 km (0.057 R)
• M19: 18,237,177 km (0.106 R)
• M20: 19,671,970 km (0.084 R)
• M21: 24,726,733 km (0.087 R)
• M22: 34,206,451 km (0.104 R)
• M23: 35,218,630 km (0.096 R)
• M24: 47,860,099 km (0.072 R)
• M25: 50,250,972 km (0.104 R)
• M26: 51,723,165 km (0.101 R)
• M27: 57,014,142 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.2

Radius: 4.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 17.23 AU - 23.95 AU

Year: 32686 Days

Day: 21.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,201,454 km

• M1: 54,304 km (0.097 R)
• M2: 222,602 km (0.108 R)
• M3: 416,032 km (0.114 R)
• M4: 833,260 km (0.082 R)
• M5: 1,001,109 km (0.106 R)
• M6: 1,264,551 km (0.045 R)
• M7: 1,587,233 km (0.118 R)
• M8: 2,225,867 km (0.082 R)
• M9: 3,989,476 km (0.103 R)
• M10: 4,325,024 km (0.063 R)
• M11: 5,116,397 km (0.119 R)
• M12: 5,445,063 km (0.074 R)
• M13: 7,221,538 km (0.116 R)
• M14: 10,195,544 km (0.082 R)
• M15: 20,692,677 km (0.117 R)
• M16: 21,272,817 km (0.091 R)
• M17: 22,902,237 km (0.057 R)
• M18: 26,991,196 km (0.074 R)
• M19: 29,622,323 km (0.064 R)
• M20: 34,225,599 km (0.066 R)
• M21: 36,937,809 km (0.06 R)
• M22: 38,781,602 km (0.085 R)
• M23: 39,789,742 km (0.052 R)
• M24: 42,253,619 km (0.071 R)
• M25: 43,861,049 km (0.112 R)
• M26: 45,787,420 km (0.066 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 19,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit