🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.6 AU - 0.88 AU

Year: 226 Days

Day: 19.6 Hours

Environment

Temp: 196 °C

Axial Tilt: 11.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,491,531 km

• M1: 538,552 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.7 AU - 0.8 AU

Year: 230 Days

Day: 26.6 Hours

Environment

Temp: 198 °C

Axial Tilt: 30 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.05 AU - 1.39 AU

Year: 478 Days

Day: 13.9 Hours

Environment

Temp: 30 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.97 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.26 AU - 3.18 AU

Year: 1591 Days

Day: 14.1 Hours

Environment

Temp: -77 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.98 AU - 3.06 AU

Year: 1862 Days

Day: 23.6 Hours

Environment

Temp: -90 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.87 AU - 4.09 AU

Year: 2303 Days

Day: 35.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 14.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983

Radius: 5.1

Gravity: 37.79 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 13.55 AU - 14.97 AU

Year: 19104 Days

Day: 16.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 105,491,531 km

• M1: 65,075 km (0.048 R)
• M2: 263,591 km (0.054 R)
• M3: 573,109 km (0.099 R)
• M4: 1,793,230 km (0.1 R)
• M5: 2,091,977 km (0.072 R)
• M6: 2,763,521 km (0.042 R)
• M7: 4,041,985 km (0.11 R)
• M8: 5,588,827 km (0.074 R)
• M9: 6,094,767 km (0.107 R)
• M10: 8,265,582 km (0.09 R)
• M11: 8,699,116 km (0.116 R)
• M12: 10,523,013 km (0.064 R)
• M13: 13,602,186 km (0.109 R)
• M14: 14,906,530 km (0.1 R)
• M15: 16,630,197 km (0.116 R)
• M16: 19,316,825 km (0.034 R)
• M17: 21,765,593 km (0.081 R)
• M18: 24,968,034 km (0.048 R)
• M19: 25,986,646 km (0.062 R)
• M20: 26,797,915 km (0.086 R)
• M21: 30,594,410 km (0.096 R)
• M22: 35,153,555 km (0.087 R)
• M23: 37,594,244 km (0.026 R)
• M24: 38,631,107 km (0.077 R)
• M25: 39,839,409 km (0.061 R)
• M26: 41,385,054 km (0.088 R)
• M27: 54,646,756 km (0.098 R)
• M28: 55,785,196 km (0.118 R)
• M29: 58,109,348 km (0.079 R)
• M30: 61,715,405 km (0.12 R)
• M31: 69,812,090 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.5

Radius: 6.5

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 11.26 AU - 17.36 AU

Year: 19204 Days

Day: 21.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 105,491,531 km

• M1: 106,514 km (0.102 R)
• M2: 996,023 km (0.074 R)
• M3: 1,979,180 km (0.093 R)
• M4: 3,514,204 km (0.075 R)
• M5: 4,088,959 km (0.109 R)
• M6: 5,201,967 km (0.103 R)
• M7: 6,377,357 km (0.05 R)
• M8: 8,495,813 km (0.076 R)
• M9: 9,902,182 km (0.115 R)
• M10: 10,997,388 km (0.116 R)
• M11: 19,246,813 km (0.102 R)
• M12: 20,736,060 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.3

Radius: 4.9

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 15.51 AU - 16.25 AU

Year: 22450 Days

Day: 16.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 105,491,531 km

• M1: 60,886 km (0.064 R)
• M2: 218,862 km (0.098 R)
• M3: 450,290 km (0.071 R)
• M4: 902,225 km (0.092 R)
• M5: 1,517,820 km (0.03 R)
• M6: 1,960,779 km (0.056 R)
• M7: 2,420,494 km (0.1 R)
• M8: 2,664,338 km (0.12 R)
• M9: 3,227,574 km (0.107 R)
• M10: 3,925,897 km (0.025 R)
• M11: 6,748,061 km (0.069 R)
• M12: 6,965,127 km (0.114 R)
• M13: 7,976,259 km (0.09 R)
• M14: 8,317,492 km (0.09 R)
• M15: 8,567,171 km (0.112 R)
• M16: 8,770,624 km (0.08 R)
• M17: 9,507,693 km (0.109 R)
• M18: 10,228,455 km (0.066 R)
• M19: 11,529,957 km (0.09 R)
• M20: 11,966,184 km (0.056 R)
• M21: 18,427,316 km (0.105 R)
• M22: 19,109,482 km (0.09 R)
• M23: 20,797,246 km (0.079 R)
• M24: 26,775,176 km (0.099 R)
• M25: 27,210,207 km (0.089 R)
• M26: 28,543,423 km (0.082 R)
• M27: 31,943,783 km (0.049 R)
• M28: 33,051,555 km (0.104 R)
• M29: 36,130,429 km (0.07 R)
• M30: 38,561,394 km (0.071 R)
• M31: 48,245,612 km (0.1 R)
• M32: 48,405,981 km (0.076 R)
• M33: 48,889,482 km (0.097 R)
• M34: 50,030,016 km (0.117 R)
• M35: 50,689,743 km (0.075 R)
• M36: 57,248,263 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.8

Radius: 7.5

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 15.62 AU - 24.08 AU

Year: 31375 Days

Day: 15.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 105,491,531 km

• M1: 93,349 km (0.114 R)
• M2: 346,917 km (0.094 R)
• M3: 667,805 km (0.053 R)
• M4: 1,170,304 km (0.096 R)
• M5: 1,840,951 km (0.085 R)
• M6: 2,456,846 km (0.099 R)
• M7: 3,202,890 km (0.109 R)
• M8: 4,091,352 km (0.107 R)
• M9: 4,346,417 km (0.03 R)
• M10: 5,388,814 km (0.107 R)
• M11: 9,443,814 km (0.107 R)
• M12: 11,035,985 km (0.072 R)
• M13: 12,192,077 km (0.108 R)
• M14: 13,347,272 km (0.032 R)
• M15: 13,992,338 km (0.098 R)
• M16: 14,322,650 km (0.109 R)
• M17: 15,257,786 km (0.049 R)
• M18: 16,506,031 km (0.078 R)
• M19: 17,154,986 km (0.12 R)
• M20: 17,917,487 km (0.12 R)
• M21: 21,411,345 km (0.1 R)
• M22: 27,336,019 km (0.111 R)
• M23: 28,771,859 km (0.033 R)
• M24: 29,847,318 km (0.083 R)
• M25: 31,935,256 km (0.112 R)
• M26: 32,220,838 km (0.103 R)
• M27: 34,717,477 km (0.087 R)
• M28: 41,602,569 km (0.085 R)
• M29: 42,630,307 km (0.109 R)
• M30: 44,026,653 km (0.082 R)
• M31: 49,918,117 km (0.093 R)
• M32: 50,689,593 km (0.109 R)
• M33: 53,452,366 km (0.079 R)
• M34: 54,259,746 km (0.117 R)
• M35: 67,836,501 km (0.027 R)
• M36: 92,761,301 km (0.089 R)
• M37: 95,693,569 km (0.065 R)

Kuiper Belt

Range: 30.9 - 52.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 14,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit