🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.4

Radius: 13.4

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.87 AU - 1.13 AU

Year: 656 Days

Day: 6.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,050,384 km

• M1: 168,148 km (0.038 R)
• M2: 711,637 km (0.12 R)
• M3: 1,606,382 km (0.106 R)
• M4: 2,181,586 km (0.1 R)
• M5: 2,915,214 km (0.077 R)
• M6: 4,091,053 km (0.104 R)
• M7: 5,194,636 km (0.117 R)
• M8: 5,965,514 km (0.115 R)
• M9: 6,447,967 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.6

Radius: 11.7

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.63 AU - 1.75 AU

Year: 1441 Days

Day: 12.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,050,384 km

• M1: 146,756 km (0.098 R)
• M2: 557,701 km (0.1 R)
• M3: 2,207,017 km (0.095 R)
• M4: 2,840,714 km (0.107 R)
• M5: 3,615,781 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.2

Radius: 12.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.51 AU - 2.51 AU

Year: 2609 Days

Day: 8.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,050,384 km

• M1: 157,975 km (0.088 R)
• M2: 579,243 km (0.054 R)
• M3: 1,103,135 km (0.096 R)
• M4: 1,511,986 km (0.061 R)
• M5: 1,908,719 km (0.114 R)
• M6: 2,511,599 km (0.098 R)
• M7: 2,935,409 km (0.083 R)
• M8: 3,528,715 km (0.105 R)
• M9: 4,221,054 km (0.1 R)
• M10: 4,891,102 km (0.042 R)
• M11: 5,802,602 km (0.106 R)
• M12: 7,104,702 km (0.092 R)
• M13: 7,569,652 km (0.078 R)
• M14: 8,179,264 km (0.106 R)
• M15: 8,821,637 km (0.074 R)
• M16: 9,812,424 km (0.114 R)
• M17: 11,260,232 km (0.118 R)
• M18: 12,343,021 km (0.066 R)
• M19: 13,188,847 km (0.059 R)
• M20: 16,708,736 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.8

Radius: 10.9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.46 AU - 3.88 AU

Year: 4612 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,050,384 km

• M1: 135,685 km (0.119 R)
• M2: 487,539 km (0.101 R)
• M3: 987,944 km (0.118 R)
• M4: 1,846,337 km (0.102 R)
• M5: 2,345,844 km (0.102 R)
• M6: 2,883,050 km (0.101 R)
• M7: 3,329,301 km (0.091 R)
• M8: 4,338,937 km (0.062 R)
• M9: 4,733,576 km (0.094 R)
• M10: 5,152,001 km (0.097 R)
• M11: 5,840,002 km (0.07 R)
• M12: 6,293,134 km (0.085 R)
• M13: 6,769,603 km (0.113 R)
• M14: 7,828,756 km (0.059 R)
• M15: 9,294,516 km (0.105 R)
• M16: 9,717,279 km (0.042 R)
• M17: 11,320,220 km (0.107 R)
• M18: 11,713,962 km (0.057 R)
• M19: 12,621,572 km (0.116 R)
• M20: 14,020,312 km (0.106 R)
• M21: 14,938,843 km (0.06 R)
• M22: 15,412,919 km (0.059 R)
• M23: 18,471,447 km (0.063 R)
• M24: 20,334,689 km (0.086 R)
• M25: 21,577,847 km (0.117 R)
• M26: 24,070,896 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299

Radius: 11.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.55 AU - 5.61 AU

Year: 8647 Days

Day: 12.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,050,384 km

• M1: 145,260 km (0.096 R)
• M2: 532,419 km (0.1 R)
• M3: 1,066,184 km (0.108 R)
• M4: 2,629,931 km (0.092 R)
• M5: 5,090,516 km (0.112 R)
• M6: 9,675,841 km (0.111 R)
• M7: 17,996,325 km (0.083 R)
• M8: 23,151,467 km (0.09 R)
• M9: 24,096,926 km (0.106 R)
• M10: 27,174,304 km (0.113 R)
• M11: 31,736,590 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.8

Radius: 7.1

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.88 AU - 8.04 AU

Year: 13366 Days

Day: 16.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 178.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,050,384 km

• M1: 88,263 km (0.092 R)
• M2: 496,366 km (0.079 R)
• M3: 750,832 km (0.099 R)
• M4: 972,087 km (0.071 R)
• M5: 1,658,592 km (0.068 R)
• M6: 3,277,989 km (0.09 R)
• M7: 3,884,458 km (0.081 R)
• M8: 4,817,201 km (0.086 R)
• M9: 5,671,854 km (0.119 R)
• M10: 6,704,528 km (0.061 R)
• M11: 7,074,932 km (0.043 R)
• M12: 7,372,632 km (0.072 R)
• M13: 8,792,166 km (0.091 R)
• M14: 9,037,058 km (0.105 R)
• M15: 10,881,450 km (0.117 R)
• M16: 11,221,037 km (0.071 R)
• M17: 13,345,028 km (0.039 R)
• M18: 14,399,693 km (0.114 R)
• M19: 15,086,646 km (0.078 R)
• M20: 15,438,051 km (0.09 R)
• M21: 19,342,107 km (0.04 R)
• M22: 25,013,662 km (0.114 R)
• M23: 28,066,805 km (0.09 R)
• M24: 33,335,193 km (0.092 R)
• M25: 33,572,904 km (0.095 R)
• M26: 35,515,881 km (0.05 R)
• M27: 36,515,045 km (0.062 R)
• M28: 40,834,833 km (0.073 R)
• M29: 41,106,952 km (0.103 R)
• M30: 42,208,142 km (0.111 R)
• M31: 43,754,086 km (0.056 R)
• M32: 45,629,295 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182

Radius: 4

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.93 AU - 8.45 AU

Year: 15376 Days

Day: 21.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 41,050,384 km

• M1: 49,816 km (0.039 R)
• M2: 247,584 km (0.097 R)
• M3: 382,671 km (0.074 R)
• M4: 602,431 km (0.079 R)
• M5: 804,089 km (0.118 R)
• M6: 949,797 km (0.036 R)
• M7: 1,224,459 km (0.105 R)
• M8: 1,523,206 km (0.077 R)
• M9: 1,733,391 km (0.115 R)
• M10: 2,177,547 km (0.113 R)
• M11: 2,463,129 km (0.069 R)
• M12: 2,834,431 km (0.116 R)
• M13: 3,065,709 km (0.067 R)
• M14: 3,286,964 km (0.046 R)
• M15: 4,014,608 km (0.084 R)
• M16: 4,640,975 km (0.085 R)
• M17: 4,814,658 km (0.072 R)
• M18: 5,748,448 km (0.083 R)
• M19: 6,050,785 km (0.083 R)
• M20: 6,398,899 km (0.098 R)
• M21: 7,288,707 km (0.097 R)
• M22: 7,602,863 km (0.113 R)
• M23: 9,310,373 km (0.096 R)
• M24: 10,107,730 km (0.098 R)
• M25: 10,547,847 km (0.078 R)
• M26: 11,677,311 km (0.038 R)
• M27: 11,837,231 km (0.105 R)
• M28: 13,695,236 km (0.068 R)
• M29: 14,233,789 km (0.102 R)
• M30: 16,799,242 km (0.084 R)
• M31: 17,277,806 km (0.111 R)
• M32: 22,491,142 km (0.098 R)
• M33: 23,408,776 km (0.095 R)
• M34: 32,922,602 km (0.109 R)
• M35: 35,536,675 km (0.086 R)
• M36: 36,211,212 km (0.073 R)
• M37: 36,551,697 km (0.071 R)
• M38: 39,113,710 km (0.095 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 12,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit