🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367

Radius: 11.8

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.55 AU - 0.59 AU

Year: 292 Days

Day: 14 Hours

Environment

Temp: -144 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,969,767 km

• M1: 146,756 km (0.118 R)
• M2: 541,095 km (0.076 R)
• M3: 1,600,398 km (0.053 R)
• M4: 2,051,136 km (0.039 R)
• M5: 2,799,724 km (0.09 R)
• M6: 3,204,386 km (0.116 R)

Asteroid Belt

Center: 1.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.5

Radius: 8

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.59 AU - 2.93 AU

Year: 3110 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,969,767 km

• M1: 103,223 km (0.118 R)
• M2: 413,638 km (0.087 R)
• M3: 1,180,926 km (0.047 R)
• M4: 2,406,132 km (0.113 R)
• M5: 3,634,181 km (0.098 R)
• M6: 4,130,846 km (0.115 R)
• M7: 4,384,863 km (0.104 R)
• M8: 4,901,275 km (0.118 R)
• M9: 5,357,997 km (0.078 R)
• M10: 6,638,555 km (0.038 R)
• M11: 6,929,074 km (0.085 R)
• M12: 8,511,820 km (0.092 R)
• M13: 8,959,865 km (0.074 R)
• M14: 10,244,761 km (0.114 R)
• M15: 11,316,780 km (0.095 R)
• M16: 11,690,176 km (0.117 R)
• M17: 16,943,305 km (0.052 R)
• M18: 18,211,596 km (0.097 R)
• M19: 19,423,788 km (0.105 R)
• M20: 20,019,636 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.7

Radius: 12.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.42 AU - 3.86 AU

Year: 4710 Days

Day: 7.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,969,767 km

• M1: 156,779 km (0.064 R)
• M2: 577,597 km (0.089 R)
• M3: 1,424,022 km (0.1 R)
• M4: 1,893,759 km (0.117 R)
• M5: 2,989,414 km (0.101 R)
• M6: 3,646,747 km (0.076 R)
• M7: 4,541,642 km (0.111 R)
• M8: 6,033,881 km (0.093 R)
• M9: 6,484,320 km (0.072 R)
• M10: 7,152,573 km (0.095 R)
• M11: 8,967,944 km (0.112 R)
• M12: 9,757,820 km (0.097 R)
• M13: 10,253,588 km (0.114 R)
• M14: 10,853,176 km (0.109 R)
• M15: 11,250,957 km (0.097 R)
• M16: 12,455,220 km (0.106 R)
• M17: 15,840,021 km (0.116 R)
• M18: 17,112,650 km (0.03 R)
• M19: 19,860,763 km (0.059 R)
• M20: 20,793,506 km (0.115 R)
• M21: 23,990,562 km (0.081 R)
• M22: 26,374,853 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330

Radius: 8.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.17 AU - 4.69 AU

Year: 5284 Days

Day: 11.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,969,767 km

• M1: 105,766 km (0.077 R)
• M2: 376,837 km (0.089 R)
• M3: 827,127 km (0.104 R)
• M4: 1,256,173 km (0.05 R)
• M5: 1,545,196 km (0.077 R)
• M6: 1,982,920 km (0.096 R)
• M7: 2,470,459 km (0.079 R)
• M8: 3,913,779 km (0.064 R)
• M9: 6,637,209 km (0.109 R)
• M10: 7,136,267 km (0.092 R)
• M11: 11,400,854 km (0.087 R)
• M12: 11,935,068 km (0.117 R)
• M13: 12,208,533 km (0.116 R)
• M14: 12,579,386 km (0.068 R)
• M15: 13,638,389 km (0.117 R)
• M16: 14,599,855 km (0.073 R)
• M17: 15,229,961 km (0.081 R)
• M18: 15,878,019 km (0.113 R)
• M19: 18,962,278 km (0.081 R)
• M20: 20,352,342 km (0.117 R)
• M21: 20,677,418 km (0.076 R)
• M22: 21,204,900 km (0.071 R)
• M23: 22,081,095 km (0.034 R)
• M24: 23,761,827 km (0.118 R)
• M25: 24,195,062 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780

Radius: 8.6

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.74 AU - 5.02 AU

Year: 6217 Days

Day: 11.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,969,767 km

• M1: 107,112 km (0.11 R)
• M2: 411,095 km (0.051 R)
• M3: 695,630 km (0.036 R)
• M4: 1,059,303 km (0.105 R)
• M5: 2,054,876 km (0.102 R)
• M6: 2,504,119 km (0.096 R)
• M7: 2,897,711 km (0.106 R)
• M8: 3,182,695 km (0.084 R)
• M9: 7,422,598 km (0.059 R)
• M10: 9,068,025 km (0.045 R)
• M11: 12,416,922 km (0.056 R)
• M12: 19,570,842 km (0.083 R)
• M13: 21,731,634 km (0.105 R)
• M14: 22,670,510 km (0.073 R)
• M15: 23,069,637 km (0.088 R)
• M16: 23,473,402 km (0.115 R)
• M17: 24,713,119 km (0.043 R)
• M18: 26,786,546 km (0.105 R)
• M19: 27,412,613 km (0.104 R)
• M20: 32,878,171 km (0.11 R)
• M21: 34,638,938 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101

Radius: 7.1

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.51 AU - 7.53 AU

Year: 11292 Days

Day: 20 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,969,767 km

• M1: 88,712 km (0.104 R)
• M2: 341,831 km (0.1 R)
• M3: 651,349 km (0.106 R)
• M4: 1,164,021 km (0.112 R)
• M5: 1,520,214 km (0.103 R)
• M6: 1,749,697 km (0.108 R)
• M7: 2,500,229 km (0.036 R)
• M8: 4,232,722 km (0.101 R)
• M9: 4,946,753 km (0.082 R)
• M10: 7,063,413 km (0.097 R)
• M11: 9,237,070 km (0.052 R)
• M12: 17,195,677 km (0.083 R)
• M13: 17,741,709 km (0.105 R)
• M14: 23,629,432 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267

Radius: 4.5

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.95 AU - 10.99 AU

Year: 22978 Days

Day: 24.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,969,767 km

• M1: 66,721 km (0.08 R)
• M2: 230,381 km (0.117 R)
• M3: 543,339 km (0.108 R)
• M4: 731,534 km (0.054 R)
• M5: 1,202,468 km (0.116 R)
• M6: 2,366,638 km (0.077 R)
• M7: 3,319,876 km (0.04 R)
• M8: 4,765,141 km (0.098 R)
• M9: 4,932,840 km (0.112 R)
• M10: 5,174,441 km (0.087 R)
• M11: 5,946,515 km (0.107 R)
• M12: 8,231,623 km (0.059 R)
• M13: 11,159,552 km (0.029 R)
• M14: 11,696,758 km (0.099 R)
• M15: 13,213,382 km (0.027 R)
• M16: 13,814,316 km (0.108 R)
• M17: 18,376,602 km (0.078 R)
• M18: 19,378,759 km (0.096 R)
• M19: 23,947,777 km (0.088 R)
• M20: 24,940,359 km (0.115 R)
• M21: 27,220,081 km (0.104 R)
• M22: 35,774,386 km (0.119 R)
• M23: 36,031,096 km (0.091 R)
• M24: 38,396,537 km (0.059 R)
• M25: 53,612,436 km (0.086 R)
• M26: 58,803,033 km (0.025 R)
• M27: 59,699,573 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 14,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit