🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.4

Radius: 13.1

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.72 AU - 0.76 AU

Year: 439 Days

Day: 7.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,050,639 km

• M1: 162,912 km (0.081 R)
• M2: 625,020 km (0.068 R)
• M3: 1,164,619 km (0.117 R)
• M4: 1,892,263 km (0.102 R)
• M5: 2,351,529 km (0.041 R)
• M6: 3,006,319 km (0.098 R)
• M7: 3,512,558 km (0.079 R)
• M8: 4,415,680 km (0.091 R)
• M9: 5,057,156 km (0.096 R)
• M10: 5,690,553 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.6

Radius: 10.3

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.8 AU - 1.18 AU

Year: 680 Days

Day: 8.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,050,639 km

• M1: 128,355 km (0.062 R)
• M2: 460,462 km (0.092 R)
• M3: 788,082 km (0.04 R)
• M4: 1,166,415 km (0.067 R)
• M5: 1,720,675 km (0.095 R)
• M6: 2,095,118 km (0.113 R)
• M7: 2,423,934 km (0.117 R)
• M8: 2,977,147 km (0.085 R)
• M9: 3,321,073 km (0.081 R)
• M10: 4,075,495 km (0.114 R)
• M11: 4,670,296 km (0.051 R)
• M12: 5,153,796 km (0.071 R)
• M13: 5,564,293 km (0.08 R)
• M14: 5,923,028 km (0.095 R)
• M15: 6,431,811 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.9

Radius: 10.2

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.36 AU - 1.4 AU

Year: 1119 Days

Day: 13.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,050,639 km

• M1: 126,859 km (0.119 R)
• M2: 497,563 km (0.091 R)
• M3: 819,796 km (0.041 R)
• M4: 1,447,958 km (0.1 R)
• M5: 1,924,577 km (0.1 R)
• M6: 2,448,917 km (0.104 R)
• M7: 3,303,121 km (0.094 R)
• M8: 6,383,341 km (0.115 R)
• M9: 7,132,527 km (0.115 R)
• M10: 7,792,553 km (0.096 R)
• M11: 8,752,822 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.9

Radius: 9.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.52 AU - 1.6 AU

Year: 1345 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,050,639 km

• M1: 118,332 km (0.085 R)
• M2: 443,408 km (0.063 R)
• M3: 836,701 km (0.07 R)
• M4: 1,379,143 km (0.114 R)
• M5: 1,709,006 km (0.106 R)
• M6: 2,246,062 km (0.09 R)
• M7: 2,981,186 km (0.114 R)
• M8: 3,731,868 km (0.097 R)
• M9: 4,282,538 km (0.083 R)
• M10: 4,708,294 km (0.054 R)
• M11: 5,826,089 km (0.069 R)
• M12: 6,349,682 km (0.11 R)
• M13: 6,927,279 km (0.111 R)
• M14: 7,371,285 km (0.1 R)
• M15: 8,009,470 km (0.119 R)
• M16: 9,062,639 km (0.099 R)
• M17: 9,680,029 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.2

Radius: 11.8

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.73 AU - 2.05 AU

Year: 1794 Days

Day: 11.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,050,639 km

• M1: 146,756 km (0.092 R)
• M2: 568,322 km (0.027 R)
• M3: 1,113,008 km (0.037 R)
• M4: 1,608,776 km (0.11 R)
• M5: 2,150,918 km (0.12 R)
• M6: 2,541,219 km (0.089 R)
• M7: 3,010,059 km (0.066 R)
• M8: 3,536,494 km (0.055 R)
• M9: 4,280,444 km (0.071 R)
• M10: 4,861,183 km (0.087 R)
• M11: 5,708,954 km (0.027 R)
• M12: 8,212,624 km (0.051 R)
• M13: 8,880,878 km (0.05 R)
• M14: 9,312,467 km (0.098 R)
• M15: 10,254,036 km (0.118 R)
• M16: 13,074,854 km (0.027 R)
• M17: 14,571,880 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.3

Radius: 7.1

Gravity: 14.96 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.27 AU - 8.51 AU

Year: 13867 Days

Day: 16.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 46,050,639 km

• M1: 88,562 km (0.078 R)
• M2: 335,398 km (0.067 R)
• M3: 682,316 km (0.107 R)
• M4: 937,979 km (0.116 R)
• M5: 1,232,088 km (0.111 R)
• M6: 1,919,341 km (0.058 R)
• M7: 2,461,633 km (0.093 R)
• M8: 2,768,907 km (0.1 R)
• M9: 3,176,412 km (0.066 R)
• M10: 3,762,386 km (0.112 R)
• M11: 7,588,202 km (0.099 R)
• M12: 7,910,287 km (0.088 R)
• M13: 10,709,562 km (0.102 R)
• M14: 12,393,286 km (0.06 R)
• M15: 19,329,092 km (0.109 R)
• M16: 20,721,549 km (0.118 R)
• M17: 20,989,928 km (0.097 R)
• M18: 22,554,572 km (0.118 R)
• M19: 22,933,802 km (0.104 R)
• M20: 24,893,684 km (0.067 R)
• M21: 25,914,390 km (0.083 R)
• M22: 26,540,009 km (0.067 R)
• M23: 26,856,558 km (0.097 R)
• M24: 32,270,654 km (0.055 R)
• M25: 32,873,384 km (0.101 R)
• M26: 33,853,101 km (0.045 R)
• M27: 35,614,466 km (0.088 R)
• M28: 36,258,036 km (0.114 R)
• M29: 38,101,231 km (0.103 R)
• M30: 38,504,248 km (0.084 R)
• M31: 39,045,942 km (0.094 R)
• M32: 39,455,541 km (0.049 R)
• M33: 42,259,753 km (0.071 R)
• M34: 44,894,770 km (0.084 R)
• M35: 45,645,751 km (0.118 R)
• M36: 48,104,990 km (0.108 R)
• M37: 56,880,701 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.6

Radius: 5.9

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.45 AU - 7.61 AU

Year: 14263 Days

Day: 17.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,050,639 km

• M1: 74,350 km (0.12 R)
• M2: 369,208 km (0.108 R)
• M3: 1,651,710 km (0.071 R)
• M4: 3,150,382 km (0.079 R)
• M5: 3,528,565 km (0.083 R)
• M6: 5,786,146 km (0.049 R)
• M7: 6,538,175 km (0.055 R)
• M8: 6,957,199 km (0.071 R)
• M9: 8,278,148 km (0.097 R)
• M10: 8,632,994 km (0.067 R)
• M11: 12,410,789 km (0.088 R)
• M12: 14,786,702 km (0.093 R)
• M13: 18,931,910 km (0.103 R)
• M14: 25,054,651 km (0.112 R)
• M15: 26,840,551 km (0.094 R)
• M16: 29,215,567 km (0.101 R)
• M17: 31,192,502 km (0.096 R)
• M18: 33,702,605 km (0.097 R)
• M19: 36,344,354 km (0.034 R)
• M20: 38,018,055 km (0.081 R)
• M21: 41,389,991 km (0.054 R)
• M22: 43,745,409 km (0.077 R)
• M23: 44,549,947 km (0.08 R)
• M24: 45,364,358 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 14,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit