🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.51 AU - 0.65 AU

Year: 156 Days

Day: 42.6 Hours

Environment

Temp: 168 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.81 AU - 1.97 AU

Year: 917 Days

Day: 13.4 Hours

Environment

Temp: -55 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.57 AU - 4.53 AU

Year: 2878 Days

Day: 17.1 Hours

Environment

Temp: -107 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 110,045,220 km

• M1: 147,055 km (0.108 R)

Asteroid Belt

Center: 5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.9

Radius: 11.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.69 AU - 6.21 AU

Year: 5125 Days

Day: 5.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 175 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 110,045,220 km

• M1: 146,756 km (0.079 R)
• M2: 831,465 km (0.115 R)
• M3: 1,896,452 km (0.106 R)
• M4: 2,393,716 km (0.086 R)
• M5: 3,070,795 km (0.081 R)
• M6: 4,168,096 km (0.043 R)
• M7: 4,629,007 km (0.071 R)
• M8: 6,757,934 km (0.116 R)
• M9: 8,259,598 km (0.088 R)
• M10: 9,804,196 km (0.029 R)
• M11: 11,071,888 km (0.101 R)
• M12: 13,457,675 km (0.105 R)
• M13: 13,930,554 km (0.096 R)
• M14: 15,359,064 km (0.108 R)
• M15: 21,413,888 km (0.079 R)
• M16: 23,388,131 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.6

Radius: 10.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.51 AU - 8.45 AU

Year: 6512 Days

Day: 5.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 110,045,220 km

• M1: 138,827 km (0.085 R)
• M2: 600,635 km (0.097 R)
• M3: 1,070,822 km (0.119 R)
• M4: 1,781,262 km (0.086 R)
• M5: 2,158,697 km (0.081 R)
• M6: 2,675,708 km (0.108 R)
• M7: 3,314,042 km (0.11 R)
• M8: 6,277,575 km (0.065 R)
• M9: 7,230,963 km (0.117 R)
• M10: 7,979,700 km (0.098 R)
• M11: 9,259,659 km (0.08 R)
• M12: 10,056,118 km (0.04 R)
• M13: 11,452,764 km (0.098 R)
• M14: 12,026,771 km (0.104 R)
• M15: 12,419,914 km (0.065 R)
• M16: 13,545,788 km (0.089 R)
• M17: 15,999,642 km (0.111 R)
• M18: 18,801,460 km (0.094 R)
• M19: 19,398,805 km (0.098 R)
• M20: 20,422,204 km (0.098 R)
• M21: 27,841,959 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183

Radius: 11.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 11.13 AU - 14.19 AU

Year: 15906 Days

Day: 13.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 110,045,220 km

• M1: 140,472 km (0.043 R)
• M2: 920,775 km (0.083 R)
• M3: 1,295,218 km (0.09 R)
• M4: 1,745,059 km (0.12 R)
• M5: 2,704,730 km (0.084 R)
• M6: 3,313,593 km (0.087 R)
• M7: 3,785,425 km (0.081 R)
• M8: 4,521,147 km (0.111 R)
• M9: 5,133,601 km (0.037 R)
• M10: 5,701,773 km (0.102 R)
• M11: 8,320,484 km (0.044 R)
• M12: 9,609,868 km (0.108 R)
• M13: 11,495,250 km (0.073 R)
• M14: 12,303,527 km (0.098 R)
• M15: 12,977,017 km (0.074 R)
• M16: 15,019,327 km (0.106 R)
• M17: 17,267,334 km (0.083 R)
• M18: 20,343,515 km (0.085 R)
• M19: 22,919,591 km (0.099 R)
• M20: 24,286,018 km (0.109 R)
• M21: 29,497,110 km (0.078 R)
• M22: 30,500,014 km (0.094 R)
• M23: 34,189,995 km (0.106 R)
• M24: 40,573,635 km (0.104 R)
• M25: 41,813,802 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.9

Radius: 3.1

Gravity: 33.29 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 14.04 AU - 20.32 AU

Year: 25144 Days

Day: 18.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 110,045,220 km

• M1: 38,746 km (0.074 R)
• M2: 189,541 km (0.081 R)
• M3: 419,622 km (0.114 R)
• M4: 831,914 km (0.067 R)
• M5: 1,376,300 km (0.118 R)
• M6: 2,085,993 km (0.116 R)
• M7: 4,241,997 km (0.117 R)
• M8: 8,223,545 km (0.105 R)
• M9: 11,286,711 km (0.054 R)
• M10: 13,035,958 km (0.049 R)
• M11: 15,714,808 km (0.075 R)
• M12: 16,181,254 km (0.062 R)
• M13: 16,736,860 km (0.074 R)
• M14: 17,060,141 km (0.116 R)
• M15: 17,886,221 km (0.061 R)
• M16: 18,825,396 km (0.042 R)
• M17: 19,886,943 km (0.031 R)
• M18: 21,935,386 km (0.085 R)
• M19: 24,949,334 km (0.086 R)
• M20: 26,994,337 km (0.103 R)
• M21: 30,207,550 km (0.089 R)
• M22: 34,570,572 km (0.097 R)
• M23: 38,629,162 km (0.116 R)
• M24: 40,337,719 km (0.107 R)
• M25: 40,772,600 km (0.097 R)
• M26: 47,676,093 km (0.068 R)
• M27: 57,852,937 km (0.108 R)
• M28: 59,148,605 km (0.109 R)
• M29: 61,414,563 km (0.118 R)
• M30: 68,764,307 km (0.025 R)

Asteroid Belt

Center: 18.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 20.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.3

Radius: 4.1

Gravity: 45.11 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 20.08 AU - 21.16 AU

Year: 33062 Days

Day: 16.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 110,045,220 km

• M1: 51,013 km (0.083 R)
• M2: 182,061 km (0.111 R)
• M3: 957,576 km (0.09 R)
• M4: 3,391,683 km (0.087 R)
• M5: 4,567,821 km (0.107 R)
• M6: 4,807,477 km (0.106 R)
• M7: 5,312,220 km (0.073 R)
• M8: 6,377,058 km (0.038 R)
• M9: 6,727,416 km (0.079 R)
• M10: 13,554,315 km (0.066 R)
• M11: 15,517,039 km (0.112 R)
• M12: 16,241,841 km (0.077 R)
• M13: 16,426,594 km (0.092 R)
• M14: 17,179,371 km (0.039 R)
• M15: 17,371,155 km (0.041 R)
• M16: 18,251,688 km (0.051 R)
• M17: 20,314,194 km (0.08 R)
• M18: 24,408,688 km (0.101 R)
• M19: 25,017,551 km (0.102 R)
• M20: 27,685,928 km (0.071 R)
• M21: 30,819,256 km (0.048 R)
• M22: 33,281,487 km (0.061 R)
• M23: 34,332,412 km (0.076 R)
• M24: 34,484,404 km (0.054 R)
• M25: 36,028,254 km (0.098 R)
• M26: 39,585,691 km (0.104 R)
• M27: 39,752,792 km (0.066 R)
• M28: 41,277,344 km (0.116 R)
• M29: 53,462,838 km (0.098 R)
• M30: 59,376,741 km (0.065 R)
• M31: 60,035,121 km (0.05 R)
• M32: 69,283,860 km (0.119 R)
• M33: 77,593,573 km (0.1 R)
• M34: 79,969,786 km (0.118 R)
• M35: 88,811,319 km (0.109 R)
• M36: 90,538,576 km (0.071 R)
• M37: 93,762,859 km (0.116 R)
• M38: 97,976,283 km (0.053 R)
• M39: 98,588,438 km (0.115 R)

Kuiper Belt

Range: 31.1 - 52.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 13,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit