🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.3

Radius: 11.6

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.76 AU - 0.92 AU

Year: 522 Days

Day: 8.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,354,645 km

• M1: 144,212 km (0.043 R)
• M2: 577,747 km (0.113 R)
• M3: 958,773 km (0.044 R)
• M4: 1,421,329 km (0.101 R)
• M5: 1,938,489 km (0.085 R)
• M6: 2,862,854 km (0.112 R)
• M7: 3,255,848 km (0.104 R)
• M8: 3,894,481 km (0.053 R)
• M9: 4,271,019 km (0.099 R)
• M10: 4,889,008 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.9

Radius: 13.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.78 AU - 1 AU

Year: 569 Days

Day: 8.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,354,645 km

• M1: 169,195 km (0.098 R)
• M2: 625,917 km (0.066 R)
• M3: 1,090,120 km (0.088 R)
• M4: 1,691,503 km (0.089 R)
• M5: 2,148,973 km (0.048 R)
• M6: 2,810,944 km (0.096 R)
• M7: 3,879,671 km (0.11 R)
• M8: 5,016,765 km (0.092 R)
• M9: 6,208,760 km (0.074 R)
• M10: 7,253,253 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.2

Radius: 14.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.24 AU - 1.38 AU

Year: 1017 Days

Day: 7 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,354,645 km

• M1: 182,809 km (0.091 R)
• M2: 640,728 km (0.103 R)
• M3: 1,113,756 km (0.088 R)
• M4: 1,577,061 km (0.08 R)
• M5: 2,062,207 km (0.069 R)
• M6: 3,444,641 km (0.074 R)
• M7: 4,362,274 km (0.117 R)
• M8: 5,186,409 km (0.081 R)
• M9: 5,737,527 km (0.106 R)
• M10: 6,934,908 km (0.086 R)
• M11: 7,906,247 km (0.119 R)
• M12: 9,881,388 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.4

Radius: 10.9

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.36 AU - 1.48 AU

Year: 1148 Days

Day: 11.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,354,645 km

• M1: 137,181 km (0.095 R)
• M2: 507,436 km (0.106 R)
• M3: 1,050,626 km (0.11 R)
• M4: 1,478,027 km (0.062 R)
• M5: 2,141,045 km (0.026 R)
• M6: 3,285,618 km (0.098 R)
• M7: 3,716,609 km (0.077 R)
• M8: 4,693,035 km (0.117 R)
• M9: 5,279,608 km (0.079 R)
• M10: 5,791,682 km (0.04 R)
• M11: 7,336,728 km (0.072 R)
• M12: 7,924,947 km (0.092 R)
• M13: 8,544,282 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.4

Radius: 8.5

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.23 AU - 1.85 AU

Year: 1296 Days

Day: 11.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,354,645 km

• M1: 115,041 km (0.091 R)
• M2: 386,710 km (0.103 R)
• M3: 1,333,515 km (0.116 R)
• M4: 1,836,164 km (0.118 R)
• M5: 2,544,061 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.7

Radius: 6.6

Gravity: 15.72 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 6.55 AU - 7.19 AU

Year: 12213 Days

Day: 20.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,354,645 km

• M1: 696,677 km (0.085 R)
• M2: 1,032,076 km (0.062 R)
• M3: 1,993,840 km (0.118 R)
• M4: 2,466,719 km (0.11 R)
• M5: 3,375,676 km (0.057 R)
• M6: 3,660,660 km (0.095 R)
• M7: 4,161,962 km (0.112 R)
• M8: 4,739,709 km (0.087 R)
• M9: 5,544,097 km (0.097 R)
• M10: 8,130,345 km (0.119 R)
• M11: 13,688,804 km (0.089 R)
• M12: 16,161,357 km (0.087 R)
• M13: 17,426,357 km (0.046 R)
• M14: 19,159,598 km (0.113 R)
• M15: 24,753,212 km (0.096 R)
• M16: 29,790,022 km (0.106 R)
• M17: 30,450,198 km (0.102 R)
• M18: 32,373,578 km (0.093 R)
• M19: 35,224,763 km (0.051 R)
• M20: 37,469,928 km (0.103 R)
• M21: 39,941,435 km (0.077 R)
• M22: 42,381,226 km (0.067 R)
• M23: 44,918,406 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.3

Radius: 3.2

Gravity: 57.26 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.6 AU - 8.28 AU

Year: 15175 Days

Day: 22.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,354,645 km

• M1: 40,391 km (0.077 R)
• M2: 143,614 km (0.094 R)
• M3: 564,882 km (0.095 R)
• M4: 839,244 km (0.081 R)
• M5: 1,613,263 km (0.071 R)
• M6: 2,400,298 km (0.119 R)
• M7: 3,008,563 km (0.111 R)
• M8: 3,283,524 km (0.062 R)
• M9: 3,387,644 km (0.112 R)
• M10: 4,617,637 km (0.083 R)
• M11: 5,051,770 km (0.106 R)
• M12: 5,190,747 km (0.069 R)
• M13: 5,659,886 km (0.089 R)
• M14: 5,847,482 km (0.102 R)
• M15: 6,117,356 km (0.107 R)
• M16: 7,105,600 km (0.09 R)
• M17: 7,592,242 km (0.09 R)
• M18: 8,195,420 km (0.115 R)
• M19: 8,339,034 km (0.04 R)
• M20: 9,602,239 km (0.097 R)
• M21: 9,815,565 km (0.113 R)
• M22: 13,077,247 km (0.099 R)
• M23: 13,471,587 km (0.042 R)
• M24: 13,604,879 km (0.095 R)
• M25: 15,057,026 km (0.119 R)
• M26: 17,463,607 km (0.108 R)
• M27: 19,007,307 km (0.103 R)
• M28: 21,444,556 km (0.119 R)
• M29: 23,692,563 km (0.08 R)
• M30: 23,886,741 km (0.113 R)
• M31: 32,791,704 km (0.106 R)
• M32: 34,256,117 km (0.096 R)
• M33: 37,841,679 km (0.036 R)
• M34: 46,501,900 km (0.113 R)
• M35: 50,082,375 km (0.08 R)
• M36: 52,349,232 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.1

Radius: 5.9

Gravity: 25.23 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.4 AU - 9.7 AU

Year: 20017 Days

Day: 23.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,354,645 km

• M1: 73,453 km (0.053 R)
• M2: 263,442 km (0.116 R)
• M3: 508,633 km (0.106 R)
• M4: 714,779 km (0.113 R)
• M5: 1,091,915 km (0.093 R)
• M6: 1,791,734 km (0.079 R)
• M7: 2,417,801 km (0.034 R)
• M8: 3,124,501 km (0.114 R)
• M9: 3,864,562 km (0.078 R)
• M10: 4,752,126 km (0.063 R)
• M11: 5,401,381 km (0.074 R)
• M12: 5,851,970 km (0.087 R)
• M13: 7,256,993 km (0.115 R)
• M14: 7,653,277 km (0.106 R)
• M15: 10,034,576 km (0.036 R)
• M16: 11,294,041 km (0.104 R)
• M17: 13,745,800 km (0.087 R)
• M18: 15,215,151 km (0.059 R)
• M19: 16,957,367 km (0.11 R)
• M20: 21,937,630 km (0.097 R)
• M21: 23,080,857 km (0.091 R)
• M22: 27,335,720 km (0.09 R)
• M23: 29,397,777 km (0.111 R)
• M24: 33,016,400 km (0.114 R)
• M25: 43,985,514 km (0.113 R)
• M26: 48,524,762 km (0.095 R)
• M27: 53,551,699 km (0.078 R)
• M28: 55,618,095 km (0.093 R)
• M29: 72,949,606 km (0.215 R)
• M30: 77,604,793 km (0.105 R)
• M31: 80,005,091 km (0.084 R)
• M32: 82,454,307 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.4

Radius: 6.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.44 AU - 11.26 AU

Year: 20967 Days

Day: 16.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,354,645 km

• M1: 94,247 km (0.07 R)
• M2: 309,368 km (0.087 R)
• M3: 762,201 km (0.07 R)
• M4: 989,590 km (0.087 R)
• M5: 1,360,443 km (0.074 R)
• M6: 1,671,457 km (0.109 R)
• M7: 2,752,152 km (0.032 R)
• M8: 3,322,120 km (0.075 R)
• M9: 4,292,711 km (0.057 R)
• M10: 4,873,749 km (0.103 R)
• M11: 5,638,643 km (0.087 R)
• M12: 6,629,280 km (0.072 R)
• M13: 7,126,543 km (0.107 R)
• M14: 9,605,230 km (0.092 R)
• M15: 9,846,831 km (0.108 R)
• M16: 10,854,223 km (0.093 R)
• M17: 11,599,221 km (0.045 R)
• M18: 14,038,414 km (0.027 R)
• M19: 14,475,838 km (0.104 R)
• M20: 27,604,846 km (0.107 R)
• M21: 42,930,999 km (0.115 R)
• M22: 43,984,467 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259

Radius: 6.2

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.39 AU - 12.55 AU

Year: 22978 Days

Day: 21.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,354,645 km

• M1: 78,539 km (0.071 R)
• M2: 284,685 km (0.051 R)
• M3: 566,527 km (0.098 R)
• M4: 2,639,355 km (0.098 R)
• M5: 5,388,814 km (0.074 R)
• M6: 5,906,124 km (0.117 R)
• M7: 7,611,839 km (0.084 R)
• M8: 7,840,125 km (0.086 R)
• M9: 8,358,482 km (0.097 R)
• M10: 9,050,970 km (0.094 R)
• M11: 10,326,143 km (0.072 R)
• M12: 14,864,044 km (0.03 R)
• M13: 15,878,468 km (0.064 R)
• M14: 18,863,544 km (0.067 R)
• M15: 20,399,914 km (0.051 R)
• M16: 22,295,468 km (0.073 R)
• M17: 25,101,924 km (0.106 R)
• M18: 30,939,233 km (0.116 R)
• M19: 33,069,657 km (0.053 R)
• M20: 34,170,697 km (0.099 R)
• M21: 35,931,613 km (0.114 R)
• M22: 39,769,996 km (0.109 R)
• M23: 47,938,787 km (0.104 R)
• M24: 51,269,434 km (0.117 R)
• M25: 52,908,429 km (0.099 R)
• M26: 55,774,125 km (0.063 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 13,821 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit