🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.3

Radius: 10.3

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.54 AU - 0.72 AU

Year: 333 Days

Day: 11.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,743,678 km

• M1: 128,056 km (0.111 R)
• M2: 602,879 km (0.096 R)
• M3: 1,070,672 km (0.04 R)
• M4: 1,465,910 km (0.088 R)
• M5: 1,812,827 km (0.109 R)
• M6: 2,609,436 km (0.085 R)
• M7: 3,398,564 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.1

Radius: 9

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.79 AU - 1.13 AU

Year: 627 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,743,678 km

• M1: 112,198 km (0.109 R)
• M2: 570,865 km (0.064 R)
• M3: 977,024 km (0.112 R)
• M4: 1,371,214 km (0.04 R)
• M5: 2,251,598 km (0.087 R)
• M6: 3,059,426 km (0.091 R)
• M7: 3,604,860 km (0.075 R)
• M8: 3,887,899 km (0.096 R)
• M9: 5,077,352 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.3

Radius: 12.8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.93 AU - 1.09 AU

Year: 677 Days

Day: 14.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,743,678 km

• M1: 159,172 km (0.08 R)
• M2: 559,047 km (0.108 R)
• M3: 1,037,312 km (0.103 R)
• M4: 1,626,278 km (0.083 R)
• M5: 2,370,827 km (0.089 R)
• M6: 2,887,089 km (0.099 R)
• M7: 3,477,851 km (0.039 R)
• M8: 4,163,458 km (0.098 R)
• M9: 4,636,487 km (0.07 R)
• M10: 5,092,910 km (0.081 R)
• M11: 5,710,450 km (0.099 R)
• M12: 6,730,259 km (0.091 R)
• M13: 7,681,252 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.3

Radius: 14.7

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.15 AU - 1.45 AU

Year: 988 Days

Day: 5.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,743,678 km

• M1: 182,809 km (0.114 R)
• M2: 1,054,366 km (0.049 R)
• M3: 1,931,009 km (0.088 R)
• M4: 2,526,708 km (0.048 R)
• M5: 3,873,388 km (0.085 R)
• M6: 4,342,377 km (0.111 R)
• M7: 6,635,713 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.7

Radius: 9.5

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.56 AU - 1.56 AU

Year: 1299 Days

Day: 7.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,743,678 km

• M1: 118,182 km (0.066 R)
• M2: 432,338 km (0.08 R)
• M3: 973,882 km (0.055 R)
• M4: 1,278,314 km (0.084 R)
• M5: 1,809,087 km (0.094 R)
• M6: 3,432,074 km (0.038 R)
• M7: 3,948,636 km (0.07 R)
• M8: 4,647,258 km (0.116 R)
• M9: 5,198,077 km (0.074 R)
• M10: 6,525,010 km (0.071 R)
• M11: 7,318,777 km (0.111 R)
• M12: 7,982,692 km (0.051 R)
• M13: 9,928,511 km (0.068 R)
• M14: 11,011,600 km (0.108 R)
• M15: 11,669,831 km (0.069 R)
• M16: 11,990,718 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.2

Radius: 8.2

Gravity: 12.76 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.9 AU - 2.5 AU

Year: 2176 Days

Day: 10.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,743,678 km

• M1: 106,065 km (0.025 R)
• M2: 463,903 km (0.101 R)
• M3: 800,947 km (0.113 R)
• M4: 1,221,915 km (0.11 R)
• M5: 1,519,166 km (0.109 R)
• M6: 2,356,914 km (0.119 R)
• M7: 3,979,004 km (0.095 R)
• M8: 4,619,433 km (0.083 R)
• M9: 5,819,956 km (0.059 R)
• M10: 6,784,563 km (0.111 R)
• M11: 7,697,259 km (0.086 R)
• M12: 8,925,009 km (0.082 R)
• M13: 10,809,793 km (0.104 R)
• M14: 11,319,622 km (0.097 R)
• M15: 11,641,258 km (0.043 R)
• M16: 12,387,302 km (0.062 R)
• M17: 14,485,412 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.3

Radius: 12.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.22 AU - 2.74 AU

Year: 2604 Days

Day: 7.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,743,678 km

• M1: 159,172 km (0.049 R)
• M2: 650,302 km (0.11 R)
• M3: 1,072,018 km (0.104 R)
• M4: 1,518,867 km (0.119 R)
• M5: 2,791,646 km (0.119 R)
• M6: 3,929,338 km (0.089 R)
• M7: 4,335,795 km (0.027 R)
• M8: 5,210,643 km (0.026 R)
• M9: 6,066,194 km (0.086 R)
• M10: 6,696,599 km (0.059 R)
• M11: 7,131,031 km (0.074 R)
• M12: 8,888,058 km (0.104 R)
• M13: 9,306,932 km (0.042 R)
• M14: 12,274,804 km (0.071 R)
• M15: 13,330,367 km (0.085 R)
• M16: 14,208,207 km (0.104 R)
• M17: 14,733,745 km (0.095 R)
• M18: 16,649,944 km (0.112 R)
• M19: 18,332,321 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.7

Radius: 12.2

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.5 AU - 5.42 AU

Year: 7366 Days

Day: 5.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,743,678 km

• M1: 151,842 km (0.115 R)
• M2: 651,050 km (0.07 R)
• M3: 1,539,661 km (0.103 R)
• M4: 2,173,358 km (0.075 R)
• M5: 2,872,728 km (0.106 R)
• M6: 3,864,861 km (0.106 R)
• M7: 4,468,040 km (0.107 R)
• M8: 5,474,085 km (0.088 R)
• M9: 6,411,466 km (0.035 R)
• M10: 7,106,348 km (0.105 R)
• M11: 8,179,563 km (0.079 R)
• M12: 9,086,874 km (0.04 R)
• M13: 10,796,628 km (0.109 R)
• M14: 11,887,944 km (0.097 R)
• M15: 15,604,404 km (0.038 R)
• M16: 16,391,139 km (0.036 R)
• M17: 17,831,318 km (0.087 R)
• M18: 18,473,691 km (0.096 R)
• M19: 21,758,412 km (0.08 R)
• M20: 25,146,355 km (0.081 R)
• M21: 26,045,288 km (0.096 R)
• M22: 26,594,911 km (0.101 R)
• M23: 27,717,344 km (0.076 R)
• M24: 34,462,263 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.3

Radius: 4

Gravity: 38.27 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.35 AU - 8.65 AU

Year: 15089 Days

Day: 17.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,743,678 km

• M1: 50,714 km (0.111 R)
• M2: 492,925 km (0.103 R)
• M3: 778,657 km (0.078 R)
• M4: 1,545,346 km (0.055 R)
• M5: 2,477,640 km (0.028 R)
• M6: 2,696,801 km (0.056 R)
• M7: 3,934,125 km (0.112 R)
• M8: 4,294,356 km (0.113 R)
• M9: 4,841,735 km (0.097 R)
• M10: 6,720,086 km (0.089 R)
• M11: 8,148,297 km (0.05 R)
• M12: 9,983,414 km (0.091 R)
• M13: 12,451,779 km (0.051 R)
• M14: 20,512,860 km (0.073 R)
• M15: 25,963,458 km (0.091 R)
• M16: 27,435,950 km (0.077 R)
• M17: 35,894,962 km (0.03 R)
• M18: 40,016,832 km (0.073 R)
• M19: 40,570,643 km (0.118 R)
• M20: 41,977,611 km (0.107 R)
• M21: 44,001,371 km (0.115 R)
• M22: 47,930,559 km (0.091 R)
• M23: 48,712,059 km (0.093 R)
• M24: 60,561,706 km (0.093 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 19,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit