🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.9

Radius: 10.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.49 AU - 0.59 AU

Year: 265 Days

Day: 7.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,863,032 km

• M1: 132,095 km (0.112 R)
• M2: 533,017 km (0.082 R)
• M3: 972,685 km (0.063 R)
• M4: 1,473,090 km (0.117 R)
• M5: 1,953,599 km (0.086 R)
• M6: 2,455,499 km (0.091 R)
• M7: 2,825,754 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.1

Radius: 13.6

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.63 AU - 0.67 AU

Year: 349 Days

Day: 9.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,863,032 km

• M1: 169,195 km (0.104 R)
• M2: 597,195 km (0.114 R)
• M3: 1,173,745 km (0.092 R)
• M4: 1,701,676 km (0.117 R)
• M5: 2,246,810 km (0.112 R)
• M6: 2,680,195 km (0.098 R)
• M7: 3,371,786 km (0.118 R)
• M8: 3,813,549 km (0.082 R)
• M9: 4,345,818 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.1

Radius: 13.1

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.91 AU - 2.19 AU

Year: 1957 Days

Day: 14.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,863,032 km

• M1: 163,062 km (0.074 R)
• M2: 1,069,026 km (0.108 R)
• M3: 2,110,527 km (0.045 R)
• M4: 2,664,488 km (0.108 R)
• M5: 3,484,284 km (0.078 R)
• M6: 4,846,672 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.7

Radius: 13.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.99 AU - 2.33 AU

Year: 2117 Days

Day: 11.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,863,032 km

• M1: 168,447 km (0.113 R)
• M2: 590,612 km (0.048 R)
• M3: 1,118,842 km (0.096 R)
• M4: 1,705,416 km (0.034 R)
• M5: 2,562,761 km (0.09 R)
• M6: 3,130,635 km (0.072 R)
• M7: 3,584,515 km (0.11 R)
• M8: 4,563,633 km (0.088 R)
• M9: 5,127,916 km (0.045 R)
• M10: 5,714,040 km (0.065 R)
• M11: 6,854,724 km (0.112 R)
• M12: 8,712,730 km (0.109 R)
• M13: 9,141,477 km (0.111 R)
• M14: 10,848,838 km (0.112 R)
• M15: 11,978,451 km (0.112 R)
• M16: 12,676,176 km (0.1 R)
• M17: 13,707,354 km (0.113 R)
• M18: 16,781,141 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.3

Radius: 13.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.31 AU - 3.49 AU

Year: 3293 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,863,032 km

• M1: 164,408 km (0.096 R)
• M2: 732,132 km (0.072 R)
• M3: 1,173,446 km (0.111 R)
• M4: 2,354,072 km (0.106 R)
• M5: 3,313,443 km (0.08 R)
• M6: 4,082,975 km (0.107 R)
• M7: 5,502,060 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.9

Radius: 9.4

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.33 AU - 4.59 AU

Year: 6281 Days

Day: 13.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,863,032 km

• M1: 117,135 km (0.119 R)
• M2: 495,618 km (0.06 R)
• M3: 895,792 km (0.098 R)
• M4: 1,191,547 km (0.094 R)
• M5: 1,658,891 km (0.105 R)
• M6: 1,990,100 km (0.096 R)
• M7: 2,652,969 km (0.104 R)
• M8: 3,260,785 km (0.051 R)
• M9: 3,914,976 km (0.096 R)
• M10: 4,296,750 km (0.108 R)
• M11: 4,954,382 km (0.085 R)
• M12: 5,790,485 km (0.088 R)
• M13: 6,317,368 km (0.078 R)
• M14: 7,535,095 km (0.099 R)
• M15: 16,328,608 km (0.104 R)
• M16: 17,500,109 km (0.051 R)
• M17: 18,852,473 km (0.063 R)
• M18: 22,112,809 km (0.078 R)
• M19: 24,135,223 km (0.065 R)
• M20: 24,735,110 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.5

Radius: 7.1

Gravity: 16.02 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.89 AU - 8.17 AU

Year: 15174 Days

Day: 19 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,863,032 km

• M1: 89,908 km (0.081 R)
• M2: 965,953 km (0.043 R)
• M3: 1,402,630 km (0.084 R)
• M4: 2,039,318 km (0.065 R)
• M5: 2,466,270 km (0.069 R)
• M6: 3,177,908 km (0.051 R)
• M7: 4,524,139 km (0.116 R)
• M8: 4,826,476 km (0.097 R)
• M9: 5,286,938 km (0.032 R)
• M10: 6,295,677 km (0.038 R)
• M11: 8,138,274 km (0.101 R)
• M12: 9,156,138 km (0.1 R)
• M13: 10,661,391 km (0.11 R)
• M14: 12,849,111 km (0.1 R)
• M15: 18,511,091 km (0.095 R)
• M16: 20,081,869 km (0.085 R)
• M17: 22,991,996 km (0.112 R)
• M18: 23,987,719 km (0.086 R)
• M19: 24,393,878 km (0.069 R)
• M20: 25,534,711 km (0.1 R)
• M21: 28,258,888 km (0.059 R)
• M22: 29,055,048 km (0.04 R)
• M23: 32,389,734 km (0.114 R)
• M24: 35,706,768 km (0.051 R)
• M25: 37,583,323 km (0.101 R)
• M26: 38,823,939 km (0.117 R)
• M27: 42,265,138 km (0.08 R)
• M28: 47,003,950 km (0.099 R)
• M29: 49,911,834 km (0.03 R)
• M30: 51,746,651 km (0.073 R)
• M31: 53,798,985 km (0.094 R)
• M32: 56,619,204 km (0.094 R)
• M33: 61,031,743 km (0.111 R)
• M34: 61,409,477 km (0.097 R)
• M35: 61,979,146 km (0.078 R)
• M36: 62,743,890 km (0.081 R)
• M37: 65,470,611 km (0.119 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 12,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit