🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.54 AU - 0.58 AU

Year: 275 Days

Day: 20 Hours

Environment

Temp: -127 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,197,944 km

• M1: 295,755 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.57 AU - 0.63 AU

Year: 305 Days

Day: 13.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.8

Radius: 8.8

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.68 AU - 0.76 AU

Year: 401 Days

Day: 12.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,197,944 km

• M1: 109,506 km (0.119 R)
• M2: 515,514 km (0.087 R)
• M3: 790,026 km (0.108 R)
• M4: 1,171,351 km (0.084 R)
• M5: 1,586,934 km (0.047 R)
• M6: 1,947,166 km (0.039 R)
• M7: 2,518,181 km (0.07 R)
• M8: 2,973,856 km (0.059 R)
• M9: 3,358,472 km (0.062 R)
• M10: 3,765,079 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616

Radius: 11.6

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.03 AU - 1.25 AU

Year: 798 Days

Day: 14.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,197,944 km

• M1: 144,362 km (0.088 R)
• M2: 528,080 km (0.079 R)
• M3: 997,818 km (0.11 R)
• M4: 1,903,184 km (0.116 R)
• M5: 3,000,335 km (0.105 R)
• M6: 3,507,172 km (0.119 R)
• M7: 4,070,558 km (0.072 R)
• M8: 4,915,038 km (0.117 R)
• M9: 5,814,271 km (0.118 R)
• M10: 6,211,603 km (0.115 R)
• M11: 6,972,757 km (0.111 R)
• M12: 8,279,045 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.9

Radius: 8.8

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.22 AU - 3.44 AU

Year: 3986 Days

Day: 7.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,197,944 km

• M1: 112,049 km (0.068 R)
• M2: 519,254 km (0.119 R)
• M3: 929,751 km (0.112 R)
• M4: 1,206,208 km (0.107 R)
• M5: 1,759,421 km (0.088 R)
• M6: 2,236,339 km (0.078 R)
• M7: 2,555,730 km (0.096 R)
• M8: 2,960,691 km (0.093 R)
• M9: 3,327,057 km (0.104 R)
• M10: 4,365,415 km (0.032 R)
• M11: 4,713,081 km (0.09 R)
• M12: 6,544,009 km (0.068 R)
• M13: 6,867,889 km (0.109 R)
• M14: 7,236,348 km (0.097 R)
• M15: 7,547,661 km (0.111 R)
• M16: 8,123,314 km (0.104 R)
• M17: 9,081,040 km (0.11 R)
• M18: 9,941,975 km (0.098 R)
• M19: 12,016,898 km (0.118 R)
• M20: 13,206,799 km (0.057 R)
• M21: 15,418,454 km (0.095 R)
• M22: 18,117,798 km (0.119 R)
• M23: 19,214,799 km (0.12 R)
• M24: 19,746,171 km (0.103 R)
• M25: 21,826,180 km (0.119 R)
• M26: 23,366,290 km (0.027 R)
• M27: 23,895,417 km (0.11 R)
• M28: 26,990,747 km (0.101 R)
• M29: 28,849,949 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.3

Radius: 13.7

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.93 AU - 5.27 AU

Year: 6472 Days

Day: 12.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,197,944 km

• M1: 172,486 km (0.108 R)
• M2: 1,094,757 km (0.084 R)
• M3: 1,705,565 km (0.12 R)
• M4: 2,229,307 km (0.09 R)
• M5: 3,331,694 km (0.091 R)
• M6: 4,664,910 km (0.035 R)
• M7: 6,105,239 km (0.068 R)
• M8: 8,088,757 km (0.089 R)
• M9: 8,918,127 km (0.033 R)
• M10: 10,155,900 km (0.092 R)
• M11: 10,746,662 km (0.12 R)
• M12: 11,408,483 km (0.059 R)
• M13: 12,452,078 km (0.089 R)
• M14: 14,786,702 km (0.04 R)
• M15: 15,905,994 km (0.086 R)
• M16: 17,787,336 km (0.085 R)
• M17: 19,053,234 km (0.1 R)
• M18: 20,378,222 km (0.113 R)
• M19: 21,319,641 km (0.104 R)
• M20: 22,214,237 km (0.081 R)
• M21: 23,681,642 km (0.059 R)
• M22: 25,377,633 km (0.101 R)
• M23: 27,153,360 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.6

Radius: 6.6

Gravity: 22.49 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 8.19 AU - 10.07 AU

Year: 18097 Days

Day: 22.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,197,944 km

• M1: 82,728 km (0.085 R)
• M2: 410,197 km (0.063 R)
• M3: 912,098 km (0.083 R)
• M4: 1,289,384 km (0.066 R)
• M5: 2,138,801 km (0.096 R)
• M6: 4,443,655 km (0.061 R)
• M7: 4,798,053 km (0.111 R)
• M8: 5,171,150 km (0.074 R)
• M9: 6,860,259 km (0.113 R)
• M10: 7,829,504 km (0.11 R)
• M11: 9,278,658 km (0.092 R)
• M12: 11,412,074 km (0.109 R)
• M13: 12,488,281 km (0.107 R)
• M14: 13,704,362 km (0.099 R)
• M15: 13,926,814 km (0.047 R)
• M16: 14,763,365 km (0.063 R)
• M17: 15,075,725 km (0.107 R)
• M18: 16,369,448 km (0.085 R)
• M19: 19,454,455 km (0.083 R)
• M20: 20,498,798 km (0.093 R)
• M21: 24,503,084 km (0.1 R)
• M22: 25,273,064 km (0.086 R)
• M23: 27,444,178 km (0.115 R)
• M24: 34,561,446 km (0.07 R)
• M25: 38,689,151 km (0.047 R)
• M26: 40,641,702 km (0.11 R)
• M27: 41,564,572 km (0.116 R)
• M28: 42,187,647 km (0.077 R)
• M29: 47,397,692 km (0.113 R)
• M30: 50,862,678 km (0.116 R)
• M31: 55,426,759 km (0.099 R)
• M32: 62,061,425 km (0.055 R)
• M33: 67,264,139 km (0.116 R)
• M34: 72,300,801 km (0.037 R)
• M35: 74,338,174 km (0.105 R)
• M36: 75,025,726 km (0.111 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: 297 - 16,178 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit