🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.7

Radius: 9.6

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.48 AU - 0.54 AU

Year: 251 Days

Day: 13.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,223,315 km

• M1: 121,922 km (0.066 R)
• M2: 440,117 km (0.101 R)
• M3: 748,289 km (0.072 R)
• M4: 1,284,148 km (0.082 R)
• M5: 1,630,318 km (0.067 R)
• M6: 2,039,318 km (0.119 R)
• M7: 2,418,250 km (0.089 R)
• M8: 2,852,981 km (0.061 R)
• M9: 3,289,358 km (0.089 R)
• M10: 3,715,413 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.3

Radius: 14

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.83 AU - 0.85 AU

Year: 531 Days

Day: 12.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,223,315 km

• M1: 174,132 km (0.091 R)
• M2: 710,889 km (0.047 R)
• M3: 1,256,473 km (0.087 R)
• M4: 1,784,852 km (0.061 R)
• M5: 2,497,088 km (0.086 R)
• M6: 3,504,031 km (0.116 R)
• M7: 4,145,357 km (0.098 R)
• M8: 4,850,113 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.6

Radius: 12.5

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.96 AU - 1.06 AU

Year: 701 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,223,315 km

• M1: 155,432 km (0.098 R)
• M2: 581,038 km (0.047 R)
• M3: 1,158,636 km (0.068 R)
• M4: 1,702,873 km (0.079 R)
• M5: 2,986,721 km (0.092 R)
• M6: 3,377,022 km (0.11 R)
• M7: 3,853,791 km (0.084 R)
• M8: 5,377,744 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.5

Radius: 9.3

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1 AU - 1.14 AU

Year: 764 Days

Day: 10.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 169.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,223,315 km

• M1: 115,639 km (0.042 R)
• M2: 622,776 km (0.05 R)
• M3: 980,315 km (0.036 R)
• M4: 1,368,970 km (0.088 R)
• M5: 2,060,860 km (0.094 R)
• M6: 2,636,812 km (0.071 R)
• M7: 2,995,249 km (0.09 R)
• M8: 3,543,226 km (0.098 R)
• M9: 4,714,726 km (0.113 R)
• M10: 5,076,604 km (0.118 R)
• M11: 5,515,823 km (0.118 R)
• M12: 6,827,198 km (0.079 R)
• M13: 7,801,529 km (0.108 R)
• M14: 8,128,999 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.1

Radius: 14.2

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.34 AU - 2.4 AU

Year: 2518 Days

Day: 8.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,223,315 km

• M1: 176,525 km (0.111 R)
• M2: 882,029 km (0.095 R)
• M3: 2,206,120 km (0.108 R)
• M4: 2,903,994 km (0.049 R)
• M5: 3,377,920 km (0.12 R)
• M6: 4,085,069 km (0.111 R)
• M7: 5,565,938 km (0.113 R)
• M8: 6,999,684 km (0.113 R)
• M9: 7,860,919 km (0.034 R)
• M10: 12,816,498 km (0.032 R)
• M11: 13,596,950 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 12.9

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.84 AU - 4.32 AU

Year: 4676 Days

Day: 11.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,223,315 km

• M1: 161,566 km (0.081 R)
• M2: 727,943 km (0.069 R)
• M3: 1,183,768 km (0.119 R)
• M4: 2,841,013 km (0.074 R)
• M5: 3,954,470 km (0.034 R)
• M6: 5,093,359 km (0.119 R)
• M7: 5,828,034 km (0.099 R)
• M8: 6,729,511 km (0.099 R)
• M9: 8,309,863 km (0.092 R)
• M10: 8,731,280 km (0.073 R)
• M11: 9,451,743 km (0.109 R)
• M12: 10,125,233 km (0.07 R)
• M13: 10,606,639 km (0.092 R)
• M14: 11,195,306 km (0.086 R)
• M15: 12,939,617 km (0.091 R)
• M16: 13,770,634 km (0.118 R)
• M17: 14,526,552 km (0.081 R)
• M18: 15,770,159 km (0.103 R)
• M19: 17,144,963 km (0.099 R)
• M20: 17,956,681 km (0.104 R)
• M21: 18,793,681 km (0.068 R)
• M22: 19,724,180 km (0.114 R)
• M23: 20,965,094 km (0.085 R)
• M24: 28,999,398 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.9

Radius: 6.6

Gravity: 15.47 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 6.47 AU - 10.29 AU

Year: 16745 Days

Day: 18.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,223,315 km

• M1: 85,420 km (0.109 R)
• M2: 836,701 km (0.111 R)
• M3: 1,702,723 km (0.052 R)
• M4: 2,767,860 km (0.094 R)
• M5: 4,777,558 km (0.116 R)
• M6: 6,364,941 km (0.081 R)
• M7: 8,729,036 km (0.118 R)
• M8: 8,988,438 km (0.049 R)
• M9: 10,421,137 km (0.089 R)
• M10: 10,654,360 km (0.118 R)
• M11: 12,516,106 km (0.115 R)
• M12: 13,454,982 km (0.111 R)
• M13: 13,662,175 km (0.119 R)
• M14: 15,623,702 km (0.119 R)
• M15: 17,192,386 km (0.068 R)
• M16: 20,366,254 km (0.08 R)
• M17: 24,112,634 km (0.11 R)
• M18: 26,201,169 km (0.101 R)
• M19: 29,555,453 km (0.085 R)
• M20: 30,023,245 km (0.072 R)
• M21: 34,073,159 km (0.115 R)
• M22: 39,311,179 km (0.076 R)
• M23: 40,161,942 km (0.102 R)
• M24: 43,839,058 km (0.065 R)
• M25: 44,600,361 km (0.08 R)
• M26: 51,012,126 km (0.1 R)
• M27: 55,848,475 km (0.091 R)
• M28: 58,929,144 km (0.068 R)
• M29: 62,312,599 km (0.102 R)
• M30: 63,662,571 km (0.077 R)
• M31: 66,420,856 km (0.056 R)
• M32: 66,821,330 km (0.08 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 11,238 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit