🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.7

Radius: 14

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.53 AU - 0.75 AU

Year: 353 Days

Day: 13.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 74,635,500 km

• M1: 175,628 km (0.097 R)
• M2: 666,159 km (0.098 R)
• M3: 1,168,509 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.3

Radius: 13.7

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.49 AU - 0.81 AU

Year: 362 Days

Day: 8.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 74,635,500 km

• M1: 172,187 km (0.104 R)
• M2: 750,084 km (0.101 R)
• M3: 1,428,660 km (0.109 R)
• M4: 1,967,062 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.9

Radius: 8.5

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.78 AU - 1.08 AU

Year: 619 Days

Day: 14 Hours

Environment

Temp: -175 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,635,500 km

• M1: 105,915 km (0.113 R)
• M2: 546,331 km (0.086 R)
• M3: 1,516,623 km (0.11 R)
• M4: 2,365,741 km (0.082 R)
• M5: 2,778,780 km (0.073 R)
• M6: 3,179,104 km (0.071 R)
• M7: 4,554,208 km (0.073 R)
• M8: 4,915,936 km (0.088 R)
• M9: 5,626,226 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.1

Radius: 8.5

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.36 AU - 1.6 AU

Year: 1243 Days

Day: 9.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,635,500 km

• M1: 105,766 km (0.099 R)
• M2: 409,599 km (0.11 R)
• M3: 1,037,162 km (0.088 R)
• M4: 1,951,504 km (0.091 R)
• M5: 2,325,648 km (0.111 R)
• M6: 2,614,372 km (0.115 R)
• M7: 3,070,646 km (0.119 R)
• M8: 3,794,550 km (0.086 R)
• M9: 4,493,471 km (0.117 R)
• M10: 4,883,922 km (0.112 R)
• M11: 5,212,289 km (0.118 R)
• M12: 5,732,740 km (0.058 R)
• M13: 6,028,794 km (0.081 R)
• M14: 6,383,192 km (0.117 R)
• M15: 7,185,784 km (0.092 R)
• M16: 8,310,461 km (0.105 R)
• M17: 8,869,658 km (0.032 R)
• M18: 9,485,103 km (0.106 R)
• M19: 10,596,466 km (0.068 R)
• M20: 12,235,161 km (0.119 R)
• M21: 12,612,596 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.7

Radius: 14.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.45 AU - 3.09 AU

Year: 3182 Days

Day: 8.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,635,500 km

• M1: 179,517 km (0.073 R)
• M2: 637,586 km (0.093 R)
• M3: 1,506,750 km (0.071 R)
• M4: 2,349,435 km (0.03 R)
• M5: 3,338,426 km (0.111 R)
• M6: 3,826,265 km (0.042 R)
• M7: 5,505,800 km (0.096 R)
• M8: 6,049,738 km (0.094 R)
• M9: 7,120,260 km (0.073 R)
• M10: 7,667,938 km (0.099 R)
• M11: 8,958,070 km (0.06 R)
• M12: 9,597,451 km (0.049 R)
• M13: 10,429,216 km (0.058 R)
• M14: 11,052,440 km (0.098 R)
• M15: 12,557,245 km (0.117 R)
• M16: 13,359,090 km (0.067 R)
• M17: 14,144,927 km (0.07 R)
• M18: 15,434,012 km (0.057 R)
• M19: 16,744,041 km (0.061 R)
• M20: 19,709,669 km (0.069 R)
• M21: 20,214,861 km (0.078 R)
• M22: 23,079,361 km (0.119 R)
• M23: 23,782,471 km (0.067 R)

Asteroid Belt

Center: 5.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.1

Radius: 8

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.68 AU - 8.56 AU

Year: 14519 Days

Day: 23.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,635,500 km

• M1: 99,483 km (0.082 R)
• M2: 370,255 km (0.099 R)
• M3: 714,479 km (0.084 R)
• M4: 1,190,500 km (0.097 R)
• M5: 2,455,051 km (0.11 R)
• M6: 3,295,192 km (0.083 R)
• M7: 4,879,733 km (0.107 R)
• M8: 7,785,073 km (0.087 R)
• M9: 10,707,468 km (0.076 R)
• M10: 13,311,817 km (0.086 R)
• M11: 18,260,814 km (0.072 R)
• M12: 23,206,519 km (0.1 R)
• M13: 24,724,040 km (0.09 R)
• M14: 27,177,595 km (0.114 R)
• M15: 29,207,638 km (0.04 R)
• M16: 31,458,039 km (0.096 R)
• M17: 36,702,790 km (0.109 R)
• M18: 45,385,301 km (0.098 R)
• M19: 46,008,526 km (0.101 R)
• M20: 55,697,382 km (0.082 R)
• M21: 56,411,711 km (0.062 R)
• M22: 60,075,214 km (0.074 R)
• M23: 61,393,919 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.7

Radius: 6.7

Gravity: 18.62 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.55 AU - 9.77 AU

Year: 17591 Days

Day: 20.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,635,500 km

• M1: 83,326 km (0.044 R)
• M2: 570,865 km (0.103 R)
• M3: 955,332 km (0.094 R)
• M4: 1,206,806 km (0.062 R)
• M5: 1,439,580 km (0.099 R)
• M6: 1,685,070 km (0.12 R)
• M7: 1,939,387 km (0.104 R)
• M8: 2,690,069 km (0.099 R)
• M9: 3,013,500 km (0.12 R)
• M10: 4,304,679 km (0.074 R)
• M11: 4,999,262 km (0.11 R)
• M12: 5,726,008 km (0.026 R)
• M13: 8,747,287 km (0.099 R)
• M14: 9,741,813 km (0.114 R)
• M15: 10,207,212 km (0.029 R)
• M16: 10,565,948 km (0.07 R)
• M17: 11,371,981 km (0.077 R)
• M18: 17,005,239 km (0.079 R)
• M19: 17,256,114 km (0.116 R)
• M20: 17,937,233 km (0.106 R)
• M21: 20,937,568 km (0.079 R)
• M22: 21,322,484 km (0.095 R)
• M23: 22,305,641 km (0.073 R)
• M24: 24,256,248 km (0.082 R)
• M25: 27,219,931 km (0.117 R)
• M26: 31,284,056 km (0.081 R)
• M27: 34,251,629 km (0.094 R)
• M28: 38,829,474 km (0.053 R)
• M29: 40,145,187 km (0.095 R)
• M30: 42,711,239 km (0.098 R)
• M31: 44,904,942 km (0.09 R)
• M32: 48,838,319 km (0.064 R)
• M33: 50,715,473 km (0.119 R)
• M34: 62,401,311 km (0.087 R)
• M35: 68,125,075 km (0.085 R)
• M36: 70,251,310 km (0.033 R)
• M37: 72,421,227 km (0.03 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: 384 - 12,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit