🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.59 AU - 0.97 AU

Year: 246 Days

Day: 38.3 Hours

Environment

Temp: 134 °C

Axial Tilt: 14.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,890,039 km

• M1: 38,147 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.8 AU - 0.94 AU

Year: 289 Days

Day: 24.3 Hours

Environment

Temp: 138 °C

Axial Tilt: 45.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.79 AU - 1.03 AU

Year: 309 Days

Day: 44.8 Hours

Environment

Temp: 152 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.95 AU - 1.07 AU

Year: 362 Days

Day: 45.2 Hours

Environment

Temp: 73 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,890,039 km

• M1: 395,537 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.08 AU - 3.26 AU

Year: 1555 Days

Day: 24.3 Hours

Environment

Temp: -83 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.47 AU - 3.75 AU

Year: 1955 Days

Day: 37 Hours

Environment

Temp: -99 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.12 AU - 4.16 AU

Year: 3003 Days

Day: 25.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.78 AU - 4.88 AU

Year: 3212 Days

Day: 27.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.9

Radius: 15

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.02 AU - 8.02 AU

Year: 7351 Days

Day: 13 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 76,890,039 km

• M1: 280,197 km (0.106 R)
• M2: 549,922 km (0.051 R)
• M3: 658,530 km (0.077 R)
• M4: 1,002,156 km (0.066 R)
• M5: 1,269,936 km (0.109 R)
• M6: 1,602,492 km (0.075 R)
• M7: 1,854,565 km (0.068 R)
• M8: 2,165,429 km (0.109 R)
• M9: 2,469,562 km (0.08 R)
• M10: 2,566,052 km (0.113 R)
• M11: 2,939,449 km (0.104 R)
• M12: 3,303,869 km (0.047 R)
• M13: 3,655,574 km (0.082 R)
• M14: 4,454,426 km (0.092 R)
• M15: 4,602,678 km (0.045 R)
• M16: 5,212,738 km (0.071 R)
• M17: 6,044,203 km (0.095 R)
• M18: 6,408,474 km (0.09 R)
• M19: 7,089,293 km (0.113 R)
• M20: 7,615,280 km (0.114 R)
• M21: 8,117,629 km (0.113 R)
• M22: 8,226,686 km (0.075 R)
• M23: 9,041,396 km (0.093 R)
• M24: 9,458,475 km (0.059 R)
• M25: 10,233,093 km (0.102 R)
• M26: 10,469,457 km (0.04 R)
• M27: 10,787,502 km (0.076 R)
• M28: 11,801,776 km (0.115 R)
• M29: 12,049,809 km (0.105 R)
• M30: 12,174,424 km (0.03 R)
• M31: 13,487,744 km (0.099 R)
• M32: 14,579,509 km (0.106 R)
• M33: 15,068,844 km (0.058 R)
• M34: 15,473,207 km (0.036 R)
• M35: 15,654,220 km (0.079 R)
• M36: 16,018,042 km (0.088 R)
• M37: 16,338,780 km (0.061 R)
• M38: 16,615,536 km (0.102 R)
• M39: 16,800,738 km (0.063 R)
• M40: 17,033,363 km (0.105 R)
• M41: 17,126,712 km (0.104 R)
• M42: 17,690,247 km (0.113 R)
• M43: 18,021,906 km (0.088 R)
• M44: 18,117,050 km (0.11 R)
• M45: 18,643,186 km (0.097 R)
• M46: 18,884,038 km (0.103 R)
• M47: 19,320,116 km (0.081 R)
• M48: 19,563,811 km (0.094 R)
• M49: 19,710,567 km (0.076 R)
• M50: 20,005,125 km (0.038 R)
• M51: 20,301,179 km (0.098 R)
• M52: 20,648,396 km (0.107 R)
• M53: 20,797,844 km (0.086 R)
• M54: 21,047,672 km (0.081 R)
• M55: 22,209,749 km (0.075 R)
• M56: 23,392,619 km (0.049 R)
• M57: 23,496,440 km (0.119 R)
• M58: 23,600,410 km (0.072 R)
• M59: 24,122,657 km (0.066 R)
• M60: 24,701,600 km (0.098 R)
• M61: 25,019,197 km (0.088 R)
• M62: 25,338,289 km (0.079 R)
• M63: 26,411,504 km (0.055 R)
• M64: 27,335,421 km (0.113 R)
• M65: 29,103,368 km (0.119 R)
• M66: 29,438,916 km (0.053 R)
• M67: 31,479,282 km (0.088 R)
• M68: 32,111,931 km (0.102 R)
• M69: 32,632,532 km (0.08 R)
• M70: 33,039,438 km (0.053 R)
• M71: 33,155,974 km (0.091 R)
• M72: 33,331,154 km (0.073 R)
• M73: 33,799,694 km (0.118 R)
• M74: 34,329,271 km (0.101 R)
• M75: 35,516,030 km (0.065 R)
• M76: 36,234,699 km (0.042 R)
• M77: 36,414,964 km (0.088 R)
• M78: 36,655,966 km (0.119 R)
• M79: 37,564,474 km (0.096 R)
• M80: 39,033,376 km (0.119 R)
• M81: 39,280,063 km (0.07 R)
• M82: 39,712,849 km (0.098 R)
• M83: 41,397,321 km (0.076 R)
• M84: 42,279,949 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.2

Radius: 6.5

Gravity: 22.49 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 13.17 AU - 13.39 AU

Year: 17250 Days

Day: 22.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 76,890,039 km

• M1: 83,326 km (0.109 R)
• M2: 157,676 km (0.057 R)
• M3: 222,003 km (0.066 R)
• M4: 331,509 km (0.097 R)
• M5: 838,646 km (0.028 R)
• M6: 1,018,014 km (0.078 R)
• M7: 1,533,977 km (0.072 R)
• M8: 3,115,376 km (0.062 R)
• M9: 3,313,742 km (0.095 R)
• M10: 4,190,835 km (0.105 R)
• M11: 4,587,718 km (0.12 R)
• M12: 6,796,830 km (0.047 R)
• M13: 7,054,138 km (0.074 R)
• M14: 8,443,005 km (0.075 R)
• M15: 8,942,961 km (0.051 R)
• M16: 9,111,707 km (0.109 R)
• M17: 9,739,719 km (0.051 R)
• M18: 9,797,464 km (0.118 R)
• M19: 10,029,640 km (0.096 R)
• M20: 10,146,476 km (0.113 R)
• M21: 10,737,387 km (0.106 R)
• M22: 10,856,916 km (0.113 R)
• M23: 11,218,045 km (0.081 R)
• M24: 13,146,212 km (0.095 R)
• M25: 13,210,090 km (0.03 R)
• M26: 13,338,146 km (0.051 R)
• M27: 13,919,633 km (0.095 R)
• M28: 14,050,082 km (0.036 R)
• M29: 14,180,831 km (0.074 R)
• M30: 16,190,080 km (0.087 R)
• M31: 16,671,636 km (0.101 R)
• M32: 18,073,218 km (0.071 R)
• M33: 19,004,315 km (0.093 R)
• M34: 21,287,029 km (0.107 R)
• M35: 22,345,883 km (0.073 R)
• M36: 23,654,715 km (0.054 R)
• M37: 25,464,550 km (0.1 R)
• M38: 27,973,455 km (0.106 R)
• M39: 28,550,903 km (0.101 R)
• M40: 30,984,412 km (0.074 R)
• M41: 32,441,495 km (0.091 R)
• M42: 33,221,947 km (0.092 R)
• M43: 33,396,229 km (0.097 R)
• M44: 34,184,310 km (0.079 R)
• M45: 35,600,254 km (0.101 R)
• M46: 35,957,195 km (0.101 R)
• M47: 36,315,332 km (0.107 R)
• M48: 36,405,091 km (0.099 R)
• M49: 36,854,782 km (0.025 R)
• M50: 37,578,237 km (0.059 R)
• M51: 38,947,207 km (0.093 R)
• M52: 40,146,833 km (0.057 R)
• M53: 40,332,484 km (0.104 R)
• M54: 40,425,384 km (0.076 R)
• M55: 40,611,484 km (0.103 R)
• M56: 45,838,433 km (0.05 R)
• M57: 46,032,462 km (0.104 R)
• M58: 47,006,643 km (0.094 R)
• M59: 47,790,985 km (0.105 R)
• M60: 48,184,726 km (0.066 R)
• M61: 49,471,866 km (0.104 R)
• M62: 50,669,996 km (0.084 R)
• M63: 50,870,606 km (0.107 R)
• M64: 51,272,576 km (0.107 R)
• M65: 52,687,921 km (0.106 R)
• M66: 53,400,456 km (0.043 R)
• M67: 54,013,807 km (0.077 R)
• M68: 55,867,474 km (0.099 R)
• M69: 56,594,071 km (0.037 R)
• M70: 56,906,282 km (0.082 R)
• M71: 57,428,079 km (0.103 R)
• M72: 58,161,408 km (0.057 R)
• M73: 61,018,279 km (0.118 R)
• M74: 61,873,530 km (0.093 R)
• M75: 63,596,000 km (0.034 R)
• M76: 66,318,531 km (0.115 R)
• M77: 66,757,751 km (0.098 R)
• M78: 68,191,646 km (0.056 R)
• M79: 68,413,051 km (0.107 R)
• M80: 69,635,565 km (0.065 R)
• M81: 70,193,714 km (0.102 R)
• M82: 70,865,409 km (0.045 R)
• M83: 71,089,656 km (0.069 R)
• M84: 71,539,198 km (0.107 R)
• M85: 71,764,193 km (0.089 R)
• M86: 72,553,771 km (0.101 R)
• M87: 73,346,190 km (0.053 R)
• M88: 75,511,620 km (0.072 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 13,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit