🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.77 AU - 0.77 AU

Year: 256 Days

Day: 47.4 Hours

Environment

Temp: 166 °C

Axial Tilt: 35 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 65,573,358 km

• M1: 170,691 km (0.095 R)
• M2: 288,425 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.16 AU - 2.36 AU

Year: 1287 Days

Day: 23.4 Hours

Environment

Temp: -90 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.16 AU - 3.14 AU

Year: 1634 Days

Day: 30.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687

Radius: 14

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.39 AU - 4.69 AU

Year: 3664 Days

Day: 6.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,573,358 km

• M1: 174,132 km (0.066 R)
• M2: 686,953 km (0.118 R)
• M3: 1,124,378 km (0.103 R)
• M4: 1,566,140 km (0.049 R)
• M5: 2,209,710 km (0.074 R)
• M6: 2,788,355 km (0.085 R)
• M7: 5,364,280 km (0.062 R)
• M8: 6,015,630 km (0.061 R)
• M9: 6,538,474 km (0.071 R)
• M10: 7,186,831 km (0.079 R)
• M11: 9,663,125 km (0.044 R)
• M12: 11,051,692 km (0.082 R)
• M13: 12,154,977 km (0.115 R)
• M14: 13,476,225 km (0.093 R)
• M15: 14,020,761 km (0.083 R)
• M16: 14,735,091 km (0.077 R)
• M17: 15,581,067 km (0.096 R)
• M18: 17,956,232 km (0.03 R)
• M19: 19,106,341 km (0.112 R)
• M20: 21,153,737 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.9

Radius: 8.6

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.6 AU - 9.06 AU

Year: 7516 Days

Day: 8.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,573,358 km

• M1: 119,828 km (0.106 R)
• M2: 464,053 km (0.112 R)
• M3: 765,941 km (0.118 R)
• M4: 1,074,412 km (0.072 R)
• M5: 1,641,089 km (0.103 R)
• M6: 3,477,253 km (0.109 R)
• M7: 3,996,956 km (0.058 R)
• M8: 6,178,691 km (0.072 R)
• M9: 7,643,853 km (0.108 R)
• M10: 8,137,975 km (0.113 R)
• M11: 9,420,028 km (0.105 R)
• M12: 10,085,140 km (0.062 R)
• M13: 10,478,882 km (0.1 R)
• M14: 11,455,457 km (0.041 R)
• M15: 14,874,815 km (0.093 R)
• M16: 15,321,066 km (0.043 R)
• M17: 16,918,921 km (0.105 R)
• M18: 17,687,255 km (0.051 R)
• M19: 19,068,792 km (0.078 R)
• M20: 21,074,002 km (0.119 R)
• M21: 22,292,775 km (0.069 R)
• M22: 25,048,667 km (0.043 R)
• M23: 28,023,720 km (0.086 R)
• M24: 29,197,615 km (0.043 R)
• M25: 29,596,144 km (0.065 R)
• M26: 29,998,263 km (0.071 R)
• M27: 31,226,611 km (0.079 R)
• M28: 37,521,689 km (0.034 R)
• M29: 39,551,134 km (0.118 R)
• M30: 41,652,834 km (0.118 R)
• M31: 42,412,044 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 9.6

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.43 AU - 9.83 AU

Year: 10449 Days

Day: 11.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,573,358 km

• M1: 122,072 km (0.085 R)
• M2: 445,203 km (0.112 R)
• M3: 846,574 km (0.048 R)
• M4: 1,529,339 km (0.095 R)
• M5: 1,837,810 km (0.089 R)
• M6: 2,446,673 km (0.078 R)
• M7: 2,746,467 km (0.074 R)
• M8: 6,749,258 km (0.028 R)
• M9: 7,262,977 km (0.07 R)
• M10: 7,931,081 km (0.07 R)
• M11: 11,509,312 km (0.087 R)
• M12: 12,533,758 km (0.111 R)
• M13: 13,310,620 km (0.072 R)
• M14: 15,092,780 km (0.074 R)
• M15: 16,671,336 km (0.092 R)
• M16: 17,610,661 km (0.103 R)
• M17: 18,206,061 km (0.094 R)
• M18: 19,202,233 km (0.065 R)
• M19: 21,135,935 km (0.079 R)
• M20: 24,457,756 km (0.11 R)
• M21: 29,650,298 km (0.093 R)
• M22: 32,336,627 km (0.055 R)
• M23: 34,947,559 km (0.066 R)
• M24: 41,102,314 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.7

Radius: 6.9

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 15.95 AU - 17.15 AU

Year: 25500 Days

Day: 17.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,573,358 km

• M1: 87,515 km (0.094 R)
• M2: 586,424 km (0.037 R)
• M3: 841,787 km (0.089 R)
• M4: 1,072,617 km (0.114 R)
• M5: 2,292,587 km (0.12 R)
• M6: 2,659,701 km (0.083 R)
• M7: 3,910,937 km (0.096 R)
• M8: 4,183,355 km (0.102 R)
• M9: 7,283,023 km (0.117 R)
• M10: 7,885,154 km (0.097 R)
• M11: 9,835,462 km (0.057 R)
• M12: 10,283,657 km (0.112 R)
• M13: 12,535,554 km (0.091 R)
• M14: 15,318,822 km (0.082 R)
• M15: 16,460,703 km (0.088 R)
• M16: 20,677,118 km (0.104 R)
• M17: 21,134,738 km (0.069 R)
• M18: 24,224,682 km (0.091 R)
• M19: 25,041,636 km (0.096 R)
• M20: 27,164,430 km (0.097 R)
• M21: 28,719,949 km (0.099 R)
• M22: 28,946,889 km (0.119 R)
• M23: 29,519,549 km (0.066 R)
• M24: 35,146,973 km (0.071 R)
• M25: 35,537,124 km (0.068 R)
• M26: 35,929,968 km (0.104 R)
• M27: 36,858,073 km (0.093 R)
• M28: 38,900,533 km (0.067 R)
• M29: 39,457,635 km (0.116 R)
• M30: 40,020,123 km (0.068 R)
• M31: 42,470,237 km (0.111 R)
• M32: 43,507,698 km (0.12 R)
• M33: 44,866,047 km (0.091 R)
• M34: 46,877,839 km (0.061 R)
• M35: 57,844,111 km (0.099 R)
• M36: 62,861,175 km (0.085 R)
• M37: 65,573,384 km (0.087 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 16,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit