🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.8

Radius: 13.5

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.68 AU - 0.86 AU

Year: 458 Days

Day: 11 Hours

Environment

Temp: -153 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 15,564,128 km

• M1: 167,849 km (0.116 R)
• M2: 649,255 km (0.116 R)
• M3: 1,121,834 km (0.059 R)
• M4: 1,901,838 km (0.101 R)
• M5: 2,429,170 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.4

Radius: 14.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.81 AU - 0.91 AU

Year: 541 Days

Day: 8.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 15,564,128 km

• M1: 186,100 km (0.113 R)
• M2: 739,761 km (0.109 R)
• M3: 1,446,163 km (0.114 R)
• M4: 1,967,212 km (0.076 R)
• M5: 3,357,874 km (0.101 R)
• M6: 3,954,321 km (0.097 R)
• M7: 4,427,199 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.1

Radius: 11.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.7 AU - 1.14 AU

Year: 599 Days

Day: 12.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 15,564,128 km

• M1: 142,118 km (0.042 R)
• M2: 495,468 km (0.107 R)
• M3: 849,566 km (0.11 R)
• M4: 2,552,888 km (0.091 R)
• M5: 4,099,281 km (0.107 R)
• M6: 4,747,638 km (0.096 R)
• M7: 5,528,689 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.6

Radius: 14.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.44 AU - 1.92 AU

Year: 1477 Days

Day: 10.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 15,564,128 km

• M1: 176,077 km (0.118 R)
• M2: 1,367,175 km (0.087 R)
• M3: 2,069,537 km (0.113 R)
• M4: 2,535,684 km (0.114 R)
• M5: 3,517,196 km (0.047 R)
• M6: 3,988,728 km (0.06 R)
• M7: 4,610,606 km (0.029 R)
• M8: 5,236,973 km (0.088 R)
• M9: 6,970,064 km (0.112 R)
• M10: 7,771,609 km (0.057 R)
• M11: 8,249,126 km (0.066 R)
• M12: 10,839,862 km (0.118 R)
• M13: 11,302,418 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.1

Radius: 9.5

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.06 AU - 2.64 AU

Year: 2443 Days

Day: 7.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 15,564,128 km

• M1: 118,182 km (0.051 R)
• M2: 423,960 km (0.088 R)
• M3: 929,302 km (0.111 R)
• M4: 2,032,885 km (0.094 R)
• M5: 2,801,968 km (0.074 R)
• M6: 3,983,343 km (0.118 R)
• M7: 4,386,958 km (0.095 R)
• M8: 5,089,768 km (0.079 R)
• M9: 5,664,823 km (0.109 R)
• M10: 6,635,414 km (0.104 R)
• M11: 7,175,013 km (0.083 R)
• M12: 7,560,976 km (0.08 R)
• M13: 7,929,435 km (0.111 R)
• M14: 8,802,638 km (0.112 R)
• M15: 10,435,947 km (0.088 R)
• M16: 12,430,386 km (0.059 R)
• M17: 13,652,152 km (0.055 R)
• M18: 14,666,725 km (0.081 R)
• M19: 15,979,745 km (0.094 R)
• M20: 18,175,393 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 10

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.88 AU - 6.1 AU

Year: 7560 Days

Day: 10.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 15,564,128 km

• M1: 124,465 km (0.067 R)
• M2: 674,537 km (0.099 R)
• M3: 1,265,897 km (0.115 R)
• M4: 1,669,961 km (0.072 R)
• M5: 2,093,622 km (0.097 R)
• M6: 2,439,343 km (0.07 R)
• M7: 2,783,268 km (0.037 R)
• M8: 3,225,480 km (0.076 R)
• M9: 3,593,640 km (0.077 R)
• M10: 4,497,959 km (0.113 R)
• M11: 7,435,912 km (0.096 R)
• M12: 8,461,555 km (0.099 R)
• M13: 8,808,771 km (0.059 R)
• M14: 9,256,368 km (0.101 R)
• M15: 10,640,747 km (0.11 R)
• M16: 11,940,902 km (0.067 R)
• M17: 12,489,477 km (0.101 R)
• M18: 13,460,816 km (0.086 R)
• M19: 15,943,842 km (0.108 R)
• M20: 16,744,639 km (0.104 R)
• M21: 19,233,948 km (0.102 R)
• M22: 20,064,665 km (0.029 R)
• M23: 21,716,674 km (0.098 R)
• M24: 23,971,712 km (0.07 R)
• M25: 30,233,730 km (0.077 R)
• M26: 32,085,003 km (0.088 R)
• M27: 33,793,112 km (0.1 R)
• M28: 38,208,942 km (0.065 R)
• M29: 39,641,341 km (0.103 R)
• M30: 40,862,210 km (0.028 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16

Radius: 4.7

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.68 AU - 7.98 AU

Year: 12107 Days

Day: 16.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,564,128 km

• M1: 58,493 km (0.113 R)
• M2: 267,481 km (0.081 R)
• M3: 657,183 km (0.118 R)
• M4: 2,176,350 km (0.081 R)
• M5: 2,540,920 km (0.041 R)
• M6: 3,308,207 km (0.071 R)
• M7: 4,142,215 km (0.114 R)
• M8: 4,701,113 km (0.095 R)
• M9: 6,016,378 km (0.101 R)
• M10: 6,367,185 km (0.061 R)
• M11: 6,573,779 km (0.06 R)
• M12: 15,425,036 km (0.09 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 17,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit